AlphaTheta CDJ-1500x vs CDJ-3000X | Full Comparison Guide

AlphaTheta CDJ-1500X: The Complete Guide to the Compact Professional DJ Player

The AlphaTheta CDJ-1500X brings many of the flagship features and modern music-library options of the CDJ-3000X into a considerably smaller and lighter professional DJ player.

Designed for home DJ setups, bars, smaller clubs, mobile installations and DJ booths where space is limited, the CDJ-1500X combines a large 10.1-inch touchscreen with USB playback, built-in Wi-Fi, cloud-library access, compatible music-streaming services and professional PRO DJ LINK connectivity.

It provides the flexibility of a traditional separates setup, allowing DJs and venues to choose their preferred mixer, add turntables and build a system around the available space.

In this complete guide, we look at the CDJ-1500X’s main features, music-library options, performance controls and connectivity. We will also break down the specific differences between the CDJ-1500X and the flagship CDJ-3000X.

What Is the AlphaTheta CDJ-1500X?

The AlphaTheta CDJ-1500X is a professional digital DJ multi player designed to be used as part of a separates-based DJ setup.

Unlike an all-in-one system, the CDJ-1500X does not include a mixer. A typical setup will therefore contain two CDJ-1500X players connected to a compatible DJ mixer.

This separates-based design offers several advantages. DJs can select a mixer that suits their particular performance style, while venues can combine the players with turntables, additional CDJs and other equipment.

Individual components can also be maintained or replaced separately without taking an entire all-in-one DJ system out of use.

A More Compact Alternative to the CDJ-3000X

The CDJ-1500X is built around a significantly smaller chassis than the flagship CDJ-3000X.

It measures approximately:

252.1mm wide × 374.7mm deep × 116.5mm high

Each player weighs approximately 3.6kg.

This compact format makes it easier to accommodate two players and a mixer on a smaller DJ desk, home workstation or existing venue booth.

It can also leave more room for additional equipment such as a turntable, effects unit or laptop stand.

10.1-Inch Capacitive Touchscreen

Despite its smaller body, the CDJ-1500X features a large 10.1-inch capacitive full-colour touchscreen.

This is the same display size used on the flagship CDJ-3000X, giving DJs plenty of room to browse their music library and monitor important track information.

The browse screen can display up to 15 tracks at once, alongside information such as:

• Track title
• Artwork
• Preview waveform
• BPM
• Musical key
• Playlist information

Displaying more tracks on one screen reduces the amount of scrolling required when moving through larger playlists.

Detailed Waveform Information

The CDJ-1500X’s main waveform view is designed to provide a clear overview of a track’s structure.

It can display visual information including:

• Full and detailed waveforms
• Hot Cue and loop positions
• Vocal positions
• BPM change points
• Phrase information
• Current playback position

This can help DJs understand an unfamiliar track more quickly and identify suitable locations for transitions, loops and cue points.

Waveform information should still support your listening rather than replace it, but it can be particularly useful when mixing recently added music or handling requests.

Dark and Light Display Modes

The touchscreen offers dark and light display modes.

Dark mode is suitable for conventional low-light DJ booths, while light mode can improve visibility in bright rooms, outdoor daytime events and venues with stronger ambient lighting.

This makes the CDJ-1500X easier to use across a wider range of environments than a display designed purely for dark club booths.

USB Type-A and USB Type-C Connections

The CDJ-1500X supports both traditional and modern USB storage connections.

Its connections include:

• One USB Type-A port for storage
• One USB Type-C port for storage
• One USB Type-C port for connecting a PC or Mac

This allows DJs to continue using a conventional USB-A flash drive while also supporting newer USB-C storage devices and computers.

The player can reproduce music in the following file formats:

• MP3
• AAC
• WAV
• AIFF
• FLAC
• Apple Lossless

Compatible USB file systems include FAT16, FAT32, exFAT and HFS+. NTFS-formatted storage is not supported.

OneLibrary Music-Library Support

The AlphaTheta CDJ-1500X uses the newer OneLibrary format.

OneLibrary is designed to create greater compatibility between supported DJ applications and equipment, allowing prepared playlists and performance information to move more easily between different platforms.

A compatible library can include information such as:

• Playlists
• Waveforms
• Track analysis
• BPM
• Musical key
• Hot Cues
• Memory Cues
• Loops

USB devices containing only an older Device Library must be converted to OneLibrary using the latest compatible version of rekordbox before they can be used with the CDJ-1500X.

DJs upgrading from older Pioneer DJ equipment should complete this conversion and test their USB devices before performing.

Built-In Wi-Fi

The CDJ-1500X includes built-in Wi-Fi, allowing it to connect to compatible online music sources without requiring a wired internet connection.

A wired LAN connection can also be used when a more permanent network arrangement is preferred.

Network connectivity provides access to rekordbox CloudDirectPlay, compatible streaming services and AlphaTheta’s CoBeat audience-interaction service.

As with any online DJ workflow, the quality and reliability of the experience will depend on the available internet connection.

rekordbox CloudDirectPlay

rekordbox CloudDirectPlay allows DJs to access a compatible rekordbox music library stored in the cloud.

Supported cloud-storage services include:

• Dropbox
• Google Drive

This gives DJs another way to access their music collection alongside traditional USB storage.

A compatible rekordbox subscription and correctly configured cloud library are required.

For professional performances, it remains sensible to carry a fully prepared USB device as a backup, even when cloud access is expected to be available.

StreamingDirectPlay

The CDJ-1500X can load music directly from compatible streaming platforms through rekordbox StreamingDirectPlay.

Supported services include:

• Apple Music
• Beatport Streaming
• TIDAL

A separate subscription to the chosen service is required, and availability may vary according to your country or region.

Streaming access can be helpful for music discovery, taking audience requests and accessing tracks that are not held in a local USB library.

However, venue DJs and mobile performers should not rely entirely on an internet connection. A properly prepared offline music library remains the safest option for important performances.

Quick Login with QR Code or NFC

Entering account details manually on a DJ player can be inconvenient, particularly when several DJs use the same equipment.

The CDJ-1500X supports quick login using a displayed QR code or its built-in NFC touchpoint.

A compatible mobile device can be used to authenticate access to supported streaming and cloud services without typing a long username and password into the player.

This should make changeovers smoother in venues where several DJs need to access their own libraries during the same event.

Playlist Editing Directly from the Player

The Playlist Edit feature allows tracks to be rearranged within a playlist directly from the CDJ-1500X.

This means DJs can adjust the running order of a prepared playlist without returning to rekordbox on a computer or mobile device.

It can be useful when the atmosphere of an event changes, when a planned set needs to be shortened or when audience requests affect the intended running order.

Eight Dedicated Hot Cue Buttons

The CDJ-1500X includes eight physical Hot Cue buttons.

Hot Cues allow DJs to jump immediately to prepared points within a track. They can be used to mark:

• The beginning of a track
• A vocal entrance
• A breakdown
• A drop
• An instrumental section
• A suitable mixing-out point

They can also be used creatively to rearrange parts of a track, perform tone-play routines or skip longer introductions and breakdowns.

The controls are positioned above the jog wheel, following the layout used on recent professional AlphaTheta players.

Beat Loop Control

The CDJ-1500X includes a rotary Beat Loop control that provides quick access to looping.

DJs can choose a beat length and push the control to activate a loop immediately.

Loops can be used to:

• Extend an instrumental section
• Create additional time for a transition
• Repeat a vocal or percussion phrase
• Prevent a track from reaching its ending too early
• Create build-ups and performance effects

The rotary control helps condense the looping workflow into a smaller physical area without removing direct hands-on access.

Beat Jump and Beat Sync

Beat Jump allows the playback position to be moved forwards or backwards by a selected number of beats while maintaining the timing of the track.

This can be used to skip a section, correct the phrasing of a transition or move quickly to another part of a song.

Beat Sync can match compatible tempo and beat-grid information between linked players.

Sync can be helpful in demanding performances, but DJs should still understand manual beatmatching and correctly check rekordbox beat grids before relying on it.

Mid-Size Jog Wheel

The CDJ-1500X uses a mid-size jog wheel with a rotation indicator and non-slip surface.

Its smaller size is one of the key ways AlphaTheta has reduced the overall footprint of the player.

The jog wheel can be used for:

• Track searching
• Cue-point positioning
• Pitch bending
• Backspins
• Scratch-style control

DJs accustomed to full-size flagship CDJ jog wheels will notice a difference in size and feel. However, the compact jog wheel allows the CDJ-1500X to fit into spaces where a pair of CDJ-3000X players may be impractical.

PRO DJ LINK

The CDJ-1500X includes an Ethernet LAN connection for PRO DJ LINK.

PRO DJ LINK allows compatible players and mixers to exchange music-library and performance information across a network.

Depending on the equipment used, this may allow multiple players to access a USB device connected to one player, display track information on a compatible mixer and share beat or phase information.

Up to four players can be connected when using a suitable network switch.

CoBeat Audience Interaction

The CDJ-1500X is the first AlphaTheta player announced with support for CoBeat.

CoBeat is an optional audience-interaction service that can allow people at an event to submit requests and messages to the DJ.

A DJ or venue can create a QR code for the audience to scan. Depending on how the service is configured, guests can then:

• Request songs
• Vote for available tracks
• Send messages
• React to requests
• Respond to the currently playing music

Relevant information can be displayed through the CDJ-1500X’s browse screen, allowing the DJ to view requests without constantly checking a separate phone or laptop.

This could be particularly useful for mobile DJs, bars, private parties, request-based events and venues looking for more audience participation.

Customisable Front Lighting

The CDJ-1500X allows the front-panel LED lighting to be changed between 12 colours.

This can be used to match the player to a venue, event theme or personal setup.

Different colours could also be assigned to the left and right players, making each deck easier to identify quickly in darker environments.

Optional Side-Panel Customisation

Screw holes on the sides of the player allow compatible optional panels to be installed.

This gives venues and individual DJs the opportunity to personalise the appearance of the setup using different colours or materials.

It is an unusual addition for a professional DJ player, where equipment is normally only available in one fixed finish.

Professional Audio Performance

AlphaTheta states that the CDJ-1500X inherits the sound-design approach of the flagship CDJ-3000X.

Its digital circuitry, analogue circuitry and power-supply design have been tuned to provide separation across the frequency range, with defined low frequencies and natural reproduction of vocals and instruments.

The published audio specifications include:

• Frequency response: 20Hz–20kHz
• Signal-to-noise ratio: 105dB
• Total harmonic distortion: 0.003%
• Output level: 2.0Vrms at 1kHz

The player provides a pair of RCA analogue audio outputs for connection to a DJ mixer.

Compatible DJ Software

In addition to standalone playback, the CDJ-1500X can be used with compatible DJ applications.

Compatible desktop software includes:

• rekordbox for Mac and Windows
• Serato DJ Pro
• djay Pro

rekordbox Performance mode is available through Hardware Unlock, while Serato DJ Pro and djay Pro may require an appropriate licence or subscription.

The CDJ-1500X also supports rekordbox LINK EXPORT from compatible Mac, Windows, iOS and Android devices.

Can You Use the CDJ-1500X Without a Laptop?

Yes. The CDJ-1500X can be used without a laptop.

Music can be loaded from a compatible USB storage device, rekordbox CloudDirectPlay or a supported music-streaming service.

A computer is only required for music preparation, library conversion or when using the player to control compatible DJ software.

Does the CDJ-1500X Include a Mixer?

No. The CDJ-1500X is an individual DJ player and does not have a built-in mixer.

A conventional two-deck setup will normally require:

• Two CDJ-1500X players
• One compatible DJ mixer
• Audio cables
• LAN cables or a suitable network switch
• DJ headphones
• Active speakers or a PA system

This gives DJs greater freedom to choose the mixer and additional equipment that best suits their requirements.

AlphaTheta CDJ-1500X vs CDJ-3000X: What Are the Differences?

The CDJ-1500X inherits several important features from the flagship CDJ-3000X, but it is not simply a smaller version of exactly the same player.

The CDJ-3000X remains the premium choice for professional club installations, touring riders, major festivals and DJs who want AlphaTheta’s most advanced build, audio performance and physical control.

The CDJ-1500X is designed to provide many of the same modern library and connectivity features in a smaller, lighter and more flexible format.

CDJ-1500X vs CDJ-3000X Comparison

Feature	CDJ-1500X	CDJ-3000X
Position in range	Compact professional multi player	Flagship professional multi player
Dimensions	252.1 × 374.7 × 116.5mm	344.6 × 490.4 × 130.1mm
Weight	3.6kg	6.0kg
Display	10.1-inch capacitive touchscreen	10.1-inch capacitive touchscreen
Tracks shown in browse view	Up to 15	Up to 16
Jog wheel	Mid-size jog wheel	Large flagship jog wheel with expanded tension adjustment
Hot Cues	Eight physical Hot Cue buttons	Eight physical Hot Cue buttons with additional advanced cue functions
Loop controls	Compact rotary Beat Loop control	More extensive dedicated physical loop controls
Physical controls	Some functions are operated through the touchscreen to reduce size	More dedicated buttons and controls across the larger panel
Built-in Wi-Fi	Yes	Yes
NFC and QR login	Yes	Yes
Streaming services	Apple Music, Beatport Streaming and TIDAL	Apple Music, Beatport Streaming and TIDAL
Cloud storage	Dropbox and Google Drive	Dropbox and Google Drive
USB connections	USB-A storage, USB-C storage and USB-C computer connection	USB-A storage, USB-C storage and USB-C computer connection
Analogue output	RCA	RCA
Digital output	No	Coaxial digital output
Frequency response	20Hz–20kHz	4Hz–40kHz
Signal-to-noise ratio	105dB	115dB
Total harmonic distortion	0.003%	0.0018%
Power supply	External AC adapter	Internal AC power supply
Locking power cable	No	Yes, in supported regions
CoBeat	Supported	Not listed as supported at launch
Lighting customisation	12 front-panel LED colours	No equivalent colour selection listed
Replaceable side panels	Compatible with optional custom panels	Not available

1. The CDJ-1500X Is Smaller

The most obvious difference is the physical size.

The CDJ-1500X is approximately 92.5mm narrower and 115.7mm shallower than the CDJ-3000X.

This is a substantial reduction when two players are placed on either side of a mixer.

A pair of CDJ-1500X players takes up approximately 185mm less horizontal space than a pair of CDJ-3000X players before the mixer is added.

This can make the CDJ-1500X a much more practical option for home desks, compact booths and mixed turntable-and-digital setups.

2. The CDJ-1500X Is Lighter

Each CDJ-1500X weighs 3.6kg, compared with 6kg for the CDJ-3000X.

A pair of CDJ-1500X players therefore weighs approximately 4.8kg less than a pair of CDJ-3000X players.

This difference will be important for mobile performers, rental companies and anybody regularly transporting a complete separates setup.

3. Both Players Have a 10.1-Inch Touchscreen

The CDJ-1500X’s smaller body does not mean it has a smaller screen.

Both players feature a 10.1-inch capacitive touchscreen, providing a spacious view of playlists, waveforms and performance information.

The CDJ-3000X can display up to 16 tracks in its browse view, while the CDJ-1500X displays up to 15.

For most DJs, the practical difference in library browsing should be relatively small.

4. The CDJ-3000X Has a Larger Jog Wheel

The CDJ-3000X uses AlphaTheta’s larger flagship jog wheel with an expanded range of tension adjustment.

This provides more physical space for pitch bending, cue positioning, backspins and scratch-style techniques.

The CDJ-1500X uses a smaller mid-size jog wheel to reduce the width and depth of the player.

DJs who perform a lot of scratching or strongly prefer the established full-size CDJ feel may favour the CDJ-3000X.

DJs who prioritise compact dimensions may consider the smaller jog wheel a worthwhile compromise.

5. The CDJ-3000X Has More Dedicated Physical Controls

Some functions that have dedicated buttons or knobs on the CDJ-3000X are operated through the CDJ-1500X touchscreen.

This is one of the main ways AlphaTheta has condensed the professional workflow into a smaller control surface.

The CDJ-1500X still retains direct physical access to important controls such as Hot Cues, looping, Beat Jump, Beat Sync, tempo adjustment, Cue and Play/Pause.

However, the CDJ-3000X will feel more immediate for DJs who prefer a larger control surface with more dedicated hardware.

6. The CDJ-3000X Has More Advanced Jog and Cue Features

The CDJ-3000X provides flagship performance features including Touch Cue, Preview Hot Cue, Smart Cue and Gate Cue.

Gate Cue allows a cue point to play only while its Hot Cue button is held, opening up more possibilities for finger drumming and tone-play routines.

The CDJ-3000X also allows Hot Cues to be created while previewing another part of a track through headphones.

The CDJ-1500X offers eight physical Hot Cues and the essential cueing controls, but the CDJ-3000X has the more advanced performance workflow.

7. The CDJ-3000X Has Higher Audio Specifications

Both players are designed for professional sound reproduction, but the CDJ-3000X has the stronger audio quality.

It offers a wider 4Hz–40kHz frequency response, a 115dB signal-to-noise ratio and total harmonic distortion of 0.0018%.

The CDJ-1500X provides a 20Hz–20kHz frequency response, a 105dB signal-to-noise ratio and total harmonic distortion of 0.003%.

The CDJ-3000X also uses a flagship 96kHz/32-bit digital-to-analogue converter and specially developed internal power circuitry.

This makes it the more appropriate choice for flagship club installations and high-end sound systems where the strongest possible specification is required.

8. Only the CDJ-3000X Has a Digital Audio Output

The CDJ-1500X provides a pair of RCA analogue outputs.

The CDJ-3000X provides both RCA analogue output and a coaxial digital output.

A digital connection can be useful with a compatible professional mixer because it keeps the audio signal in the digital domain between the player and mixer.

DJs and venues that specifically require digital audio connections should therefore choose the CDJ-3000X.

9. The Players Use Different Power Plugs

The CDJ-1500X is powered by an external 12V AC adapter.

The CDJ-3000X has an internal universal power supply and connects directly to mains power.

In supported regions, the CDJ-3000X also includes a locking power cable designed to reduce the risk of accidental disconnection during a performance.

The external adapter helps reduce the size and weight of the CDJ-1500X, but professional users will need to transport and protect the adapter carefully.

10. The CDJ-1500X Adds CoBeat

The CDJ-1500X launches with support for AlphaTheta’s CoBeat audience-interaction service.

CoBeat can deliver song requests, messages, votes and audience reactions through the player’s display.

This feature is likely to be most valuable for mobile DJs, request-based events, bars and interactive parties.

The CDJ-3000X was not listed as CoBeat-compatible when the CDJ-1500X was launched.

11. The CDJ-1500X Offers Visual Customisation

The CDJ-1500X provides 12 selectable front-panel LED colours and support for optional side-panel customisation.

The CDJ-3000X does not provide an equivalent customisation system.

This allows owners and venues to create a more distinctive setup or match the players to a particular event, brand or installation.

12. Both Players Offer Modern Cloud and Streaming Access

The CDJ-1500X and CDJ-3000X both provide:

• Built-in Wi-Fi
• NFC and QR code login
• rekordbox CloudDirectPlay
• Dropbox support
• Google Drive support
• Apple Music
• Beatport Streaming
• TIDAL
• USB Type-A storage
• USB Type-C storage
• OneLibrary compatibility

This means the CDJ-1500X does not require DJs to sacrifice the key online and cloud-based workflow found on the flagship model.

Which Player Should You Choose?

The correct choice will depend on your available space, budget, performance style and intended environment.

Choose the CDJ-1500X if:

• You have limited space in your DJ booth or home setup
• You need equipment that is easier to transport
• You want a large touchscreen without buying the flagship player
• You want cloud, streaming and modern USB connectivity
• You mainly need essential professional CDJ controls
• You want CoBeat audience interaction
• You want selectable LED colours and optional side panels
• You are building a setup containing both CDJs and turntables

Choose the CDJ-3000X if:

• You want AlphaTheta’s flagship professional DJ player
• You prefer a larger full-size jog wheel
• You want the widest range of dedicated physical controls
• You require a coaxial digital audio output
• You want the strongest published audio specifications
• You need advanced Hot Cue and preview features
• You want a locking power connection
• You are specifying equipment for a major club, festival or professional touring rider

Who Is the CDJ-1500X Best Suited To?

The AlphaTheta CDJ-1500X is particularly well suited to:

• Home DJs building their first professional separates setup
• Bars and smaller clubs
• Venues with compact DJ booths
• Mobile and event DJs
• DJs combining digital players with turntables
• rekordbox users who want modern USB, cloud and streaming access
• Venues that want individual components rather than an all-in-one system
• Request-based events that could benefit from CoBeat

What Mixer Should You Use with the CDJ-1500X?

The CDJ-1500X can be connected to a wide range of DJ mixers using its RCA analogue output.

A compact 2-channel mixer will create the smallest possible setup, while a 4-channel mixer provides room to add extra players, turntables or other audio sources.

Suitable options will depend on your budget and required features, but buyers should consider:

• The number of channels
• Built-in effects
• Microphone inputs
• Booth outputs
• Recording options
• Crossfader design
• Available installation space

Because the CDJ-1500X only provides analogue RCA output, make sure the selected mixer has suitable line-level RCA inputs.

What Else Do You Need?

To create a complete CDJ-1500X setup, you may need:

• A second CDJ-1500X player
• A compatible DJ mixer
• DJ headphones
• Active speakers or a PA system
• Suitable cables between the mixer and speakers
• A compatible USB storage device
• A network switch for larger PRO DJ LINK setups
• Protective bags, cases or covers
• Subscriptions for any cloud or streaming services you plan to use

AlphaTheta CDJ-1500X Frequently Asked Questions

Is the CDJ-1500X a standalone DJ player?

Yes. It can play music from USB storage, rekordbox CloudDirectPlay and supported streaming services without a laptop connected. However, it requires a separate DJ mixer to produce a complete setup.

Does the CDJ-1500X play CDs?

No. Despite the CDJ name, the CDJ-1500X does not include an optical CD drive.

Does it work with normal USB sticks?

Yes. It includes a traditional USB Type-A storage port as well as a USB Type-C storage connection.

Does it work with rekordbox?

Yes. It supports rekordbox for Mac and Windows, rekordbox for iOS and Android, LINK EXPORT, USB export and rekordbox CloudDirectPlay.

Does it work with Serato DJ Pro?

Yes. Serato DJ Pro is supported as an Official Accessory, although an appropriate licence or subscription may be required.

Does it work with djay Pro?

Yes. The CDJ-1500X is compatible with djay Pro, subject to the appropriate subscription and system requirements.

Does it support Apple Music?

Yes. Apple Music is supported through StreamingDirectPlay. A compatible subscription and internet connection are required.

Can it play music from Dropbox or Google Drive?

Yes. Compatible music stored through Dropbox or Google Drive can be accessed using rekordbox CloudDirectPlay.

Does it have built-in Wi-Fi?

Yes. The player includes built-in Wi-Fi and can also connect to a network through its LAN port.

Does the CDJ-1500X have a digital output?

No. It has an analogue RCA output. The flagship CDJ-3000X adds a coaxial digital output.

Is the screen smaller than the CDJ-3000X?

No. Both players use a 10.1-inch capacitive touchscreen.

Is the jog wheel the same as the CDJ-3000X?

No. The CDJ-1500X has a smaller mid-size jog wheel, while the CDJ-3000X uses a larger flagship jog wheel with adjustable tension.

Can you connect four CDJ-1500X players together?

Up to four players can be linked using PRO DJ LINK and a suitable network switch.

What is CoBeat?

CoBeat is an optional audience-interaction service that can allow guests to submit song requests, votes, messages and reactions using a QR code.

Is the CDJ-1500X suitable for clubs?

Yes. It is designed for professional use and is particularly suitable for bars, smaller clubs and venues where booth space is limited. Larger venues and flagship installations may still prefer the CDJ-3000X.

Our Verdict on the AlphaTheta CDJ-1500X

The AlphaTheta CDJ-1500X fills an important space in the professional DJ-player market.

It offers the flexibility and serviceability of a separates setup while taking up considerably less room than the flagship CDJ-3000X.

The 10.1-inch touchscreen is a major strength. DJs gain the same display size as the flagship player, alongside USB-A, USB-C, Wi-Fi, NFC login, cloud libraries and supported streaming services.

There are clear differences compared with the CDJ-3000X. The smaller player has a mid-size jog wheel, fewer dedicated physical controls, analogue output only and lower published audio specifications. It also uses an external power adapter rather than the CDJ-3000X’s internal power supply and locking mains connection.

However, these changes allow the CDJ-1500X to be much smaller and lighter. For many home DJs, mobile performers, bars and smaller venues, that may be more useful than owning the largest flagship player.

CoBeat, selectable LED colours and optional side panels also give the CDJ-1500X features that are not currently offered by the CDJ-3000X.

For DJs who want a modern professional separates setup with flagship-style browsing, streaming and cloud access, but do not need the size or complete performance specification of the CDJ-3000X, the CDJ-1500X is an extremely strong option.