{"product_id":"alphatheta-hdj-f9-bluetooth-dj-headphones","title":"AlphaTheta HDJ-F9 Professional Wireless On-Ear DJ Headphones with SonicLink","description":"\u003ch2\u003eAlphaTheta HDJ-F9 Professional Wireless DJ Headphones with SonicLink\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAlphaTheta HDJ-F9\u003c\/strong\u003e are professional on-ear wireless DJ headphones designed for accurate monitoring without the restrictions of a cable. Featuring AlphaTheta's \u003cstrong\u003eSonicLink ultra-low-latency wireless technology\u003c\/strong\u003e, newly developed 40mm drivers, effective sound isolation and Bluetooth 5.3 connectivity, the HDJ-F9 combine the performance required for professional DJing with the convenience of everyday wireless headphones.\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSonicLink Wireless Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eTo use these headphones wirelessly for DJing via SonicLink, you'll need a compatible DJ mixer or controller with a built-in SonicLink transmitter\u003c\/span\u003e, such as the AlphaTheta DJM-V5, XDJ-AZ or XDJ-AN. If your equipment doesn't have SonicLink built in, you'll need to purchase the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAlphaTheta HP-TX01 SonicLink Transmitter separately\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which connects to your mixer's headphone output. The headphones also support standard Bluetooth for everyday listening and can be used with the included cable for traditional wired DJ monitoring. Please note that Bluetooth is not recommended for DJing due to audio latency.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eWhy choose the AlphaTheta HDJ-F9?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSonicLink wireless technology with ultra-low latency as low as 9ms\u003c\/li\u003e\n\u003cli\u003eSonicLink Touch Pairing for instant connection with compatible DJ equipment\u003c\/li\u003e\n\u003cli\u003eNewly developed 40mm drivers with powerful bass and effective sound isolation\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.3 with multipoint connectivity for two devices simultaneously\u003c\/li\u003e\n\u003cli\u003eUp to 9 hours of SonicLink playback or 25 hours via Bluetooth with the Status LED switched off\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSonicLink ultra-low-latency wireless DJ monitoring\u003c\/h3\u003e\n\u003cp\u003eThe HDJ-F9 feature \u003cstrong\u003eAlphaTheta's SonicLink wireless technology\u003c\/strong\u003e, developed specifically for DJ performance. With latency as low as 9 milliseconds, SonicLink provides a responsive wireless monitoring experience suitable for beatmatching, cueing and scratching.\u003c\/p\u003e\n\u003cp\u003eUnlike conventional Bluetooth headphones, where audio delay can make accurate DJ monitoring difficult, SonicLink allows you to hear your music with minimal delay while moving freely around the DJ booth.\u003c\/p\u003e\n\u003ch3\u003eSonicLink Touch Pairing\u003c\/h3\u003e\n\u003cp\u003eConnecting to compatible DJ equipment is simple thanks to \u003cstrong\u003eSonicLink Touch Pairing\u003c\/strong\u003e. Simply touch the headphones against the designated pairing area on supported equipment, such as the AlphaTheta DJM-V5, to establish a wireless connection without navigating through pairing menus.\u003c\/p\u003e\n\u003cp\u003eThe HDJ-F9 also support conventional SonicLink pairing with compatible equipment featuring a built-in transmitter, including the AlphaTheta XDJ-AZ and XDJ-AN. For other DJ mixers, controllers and audio equipment, the separately available \u003cstrong\u003eAlphaTheta HP-TX01 SonicLink Transmitter\u003c\/strong\u003e provides additional wireless connectivity options.\u003c\/p\u003e\n\u003ch3\u003ePowerful bass and detailed sound\u003c\/h3\u003e\n\u003cp\u003eThe HDJ-F9 use newly developed \u003cstrong\u003e40mm dynamic drivers\u003c\/strong\u003e engineered to reproduce powerful low frequencies while maintaining clarity throughout the midrange and treble.\u003c\/p\u003e\n\u003cp\u003eA dedicated bass-reflex chamber in each housing helps reproduce the attack of kick drums and basslines with greater definition, while the PEEK-PU-PEEK composite diaphragm reduces unwanted vibration and distortion. This balanced sound makes it easier to identify individual elements of a track when mixing in demanding environments.\u003c\/p\u003e\n\u003ch3\u003eEffective sound isolation for loud DJ booths\u003c\/h3\u003e\n\u003cp\u003eDespite their compact on-ear design, the HDJ-F9 provide a high level of passive sound isolation. Their optimised internal construction helps reduce surrounding noise, allowing DJs to monitor tracks clearly in loud clubs and performance environments without needing to increase the volume excessively.\u003c\/p\u003e\n\u003ch3\u003eComfortable and adaptable on-ear design\u003c\/h3\u003e\n\u003cp\u003eThe HDJ-F9 have been designed to accommodate different DJ monitoring styles. \u003cstrong\u003eSwivel-mounted hangers\u003c\/strong\u003e allow the earcups to move naturally, making it comfortable to monitor with both ears, listen through a single earcup or rest the headphones around your neck and shoulders.\u003c\/p\u003e\n\u003cp\u003eA flexible silicone headband provides a comfortable fit, while the adjustable die-cast aluminium sliders add durability for regular professional use. Weighing approximately \u003cstrong\u003e285g\u003c\/strong\u003e without the cable, the headphones offer a practical balance between comfort, portability and robust construction.\u003c\/p\u003e\n\u003ch3\u003eBluetooth 5.3 for everyday listening\u003c\/h3\u003e\n\u003cp\u003eAlongside SonicLink, the HDJ-F9 include \u003cstrong\u003eBluetooth 5.3\u003c\/strong\u003e for listening to music, watching videos and taking calls from compatible smartphones, tablets and computers.\u003c\/p\u003e\n\u003cp\u003eBluetooth multipoint connectivity allows the headphones to remain connected to two devices simultaneously, making it easy to switch between a phone and computer. Google Fast Pair and Windows Swift Pair are also supported for convenient connection with compatible devices.\u003c\/p\u003e\n\u003ch3\u003eCustomise your headphones with HEADPHONES CONNECT\u003c\/h3\u003e\n\u003cp\u003eThe dedicated \u003cstrong\u003eHEADPHONES CONNECT app\u003c\/strong\u003e gives you additional control over the HDJ-F9 from your smartphone. You can customise the colour and brightness of the headphones' Status LED, rename your headphones, check the battery level and configure automatic power-off settings.\u003c\/p\u003e\n\u003cp\u003eThe app also provides voice assistant settings, firmware updates and a Find My Headphones function that plays a sound to help locate misplaced headphones. App settings are configured through Bluetooth and can be retained when switching to SonicLink.\u003c\/p\u003e\n\u003ch3\u003eLong battery life and quick charging\u003c\/h3\u003e\n\u003cp\u003eThe HDJ-F9 provide up to \u003cstrong\u003e9 hours of playback using SonicLink\u003c\/strong\u003e or up to \u003cstrong\u003e25 hours using Bluetooth\u003c\/strong\u003e with the Status LED switched off. With the LED illuminated, playback time is approximately 7 hours via SonicLink or 13 hours via Bluetooth.\u003c\/p\u003e\n\u003cp\u003eA full recharge takes approximately 2.5 hours through USB-C, while a 30-minute charge provides around 2.5 hours of additional playback, making it convenient to top up the battery between performances.\u003c\/p\u003e\n\u003ch3\u003eWired connection when required\u003c\/h3\u003e\n\u003cp\u003eFor traditional wired DJ monitoring, the HDJ-F9 include a detachable \u003cstrong\u003e1.2m coiled cable\u003c\/strong\u003e that extends to approximately 3 metres. A screw-on 6.3mm jack adapter is also supplied, allowing connection to professional DJ mixers and other equipment with a standard headphone output.\u003c\/p\u003e\n\u003cp\u003eThis gives you the flexibility to use SonicLink for wireless DJing, Bluetooth for everyday listening or a conventional cable whenever required.\u003c\/p\u003e\n\u003ch3\u003eDesigned for professional use and easy transport\u003c\/h3\u003e\n\u003cp\u003eThe HDJ-F9 feature a minimalist design with durable components developed for regular professional use. The headphones have passed international durability tests, while their flat-folding construction makes them easier to store and transport.\u003c\/p\u003e\n\u003cp\u003eA carrying pouch is included to help protect the headphones when travelling between gigs, rehearsals and studios.\u003c\/p\u003e\n\u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional club, festival and touring DJs\u003c\/li\u003e\n\u003cli\u003eDJs wanting ultra-low-latency wireless monitoring\u003c\/li\u003e\n\u003cli\u003eAlphaTheta SonicLink-compatible DJ setups\u003c\/li\u003e\n\u003cli\u003eBeatmatching, cueing and scratching without headphone cables\u003c\/li\u003e\n\u003cli\u003eMobile DJs and performers who regularly travel\u003c\/li\u003e\n\u003cli\u003eEveryday wireless listening with Bluetooth connectivity\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AlphaTheta","offers":[{"title":"Default Title","offer_id":44554257203278,"sku":"DDJ6899","price":329.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0588\/4195\/6430\/files\/alphatheta-hdj-f9-angle.jpg?v=1792063259","url":"https:\/\/www.thediscdjstore.com\/products\/alphatheta-hdj-f9-bluetooth-dj-headphones","provider":"The Disc DJ Store","version":"1.0","type":"link"}