Alto Truesonic TSSUB18 1200W 18" Active Subwoofer

Alto Truesonic TSSUB18 1200W 18'' Active Subwoofer
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  • 18" cone for a solid deep bass
  • Great for giving bottom end to your tops
  • 2 inputs and 2 outputs so one sub can be used for 2 tops
  • 600w of pure RMS
  • Wood cabinets
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Alto Subwoofer

The frequency range and crossovers of the Truesonic TSSUB18 and TSSUB15 have been tuned to provide smooth, low-end sound production in the 37Hz-125Hz range (42Hz-125Hz for the TSSUB15). They also offer stereo inputs, an internal active crossover, and are housed in rugged, compact, 18mm Birch plywood cabinets with durable metal recessed handles. When you're ready to extend the frequency range of your live performance reinforcement, Truesonic subwoofers are the effective, economical, and professional choice.

Exacting details were planned and provided in the Truesonic TSSUB18 and TSSUB15. From the modern digital power amp to the internal crossover and handpicked drivers, they are class-leading subwoofers and worthy of the Truesonic name. As active subwoofer systems, The Truesonic TSSUB18 and TSSUB15 offer a massive 18" LF long-excursion driver and large 15" LF long-excursion driver respectively. They're rated at a whopping 1200 watts and feature a 3" copper sandwich voice coil, which means you'll have plenty of low-end volume when you need it most.

  • 1200 Watts Class D power
  • Powerful 18” low-frequency, long-excursion driver
  • Stereo inputs: Mic/Line left channel, XLR right channel
  • Stereo XLR outputs: left link, right mono, internal 120Hz crossover on through
  • 18 mm birch plywood vented cabinet with metal grille and recessed handles
  • Adjustable level and polarity controls
  • 35 mm pole socket
Powered System Continuous-600 Watts, Peak-1200 Watts
Frequency Response (-10dB) 37 Hz-125 Hz under analog processor
Maximum SPL @ 1m 123 dB Continuous / 126 dB Peak
Transducer Low 18" woofer, 3" copper sandwich voice coil, with long excursion
Active Crossover Band pass type 12 dB / oct. under analog processor
Input Connectors In-Left / Mono (Combo) Right (XLR-F) / Out-Left /Mono-Right (XLR-M) / Link-Left / Mono-Right (XLR-M) Balanced (15 kOhms)
Input Level L-R Input Line at 0 dBu
Crossover Frequency L-R output with high pass filter at 80 Hz or flat for L-R satellite
External Controls Volume control / Phase switch / HPF - 80 Hz bypass / Power-on with green LED / Clip limiter with red LED / Ground lift
Power Supply 120 - 240 Volts in switching power mode
Enclosure Construction 18 mm plywood cabinet, glued and reinforced, resistant black paint, metal grille, rubber foot, four optional wheels
Mounting One standard metal pole-mount, two metal handle
Dimensions (WxLxH) 20.7in x 22.8in x 28.6in
Weight 77.4 lb

UK Deliveries

We offer free delivery on all of our items (UK mainland only) please see details below.

Destination Delivery Times Cost
UK Mainland Economy 3-5 Working Days* Free of charge
UK Mainland Express Next Day* £4.99
UK Mainland Saturday and Sunday Saturday or Sunday £14.99
Northern Ireland, Scottish Highlands 2 Working Days* £11.99
Scottish Islands, Channel Islands, Isle of Man, Isles of Scilly 2 Working Days* £14.99

*Applies to instock items. Orders placed after 4pm will be dispatched the following working day, next day delivery does not include Saturday or Sundays. Some services are only available to UK mainland addresses.

Jersey and Guernsey are also VAT exempt, so 20% will automatically be knocked off when selecting your country in the basket or checkout.

Pre 10am, 12am and named day delivery options are available in the basket, simply enter your postcode for an accurate price.

European Deliveries

We ship to most european destinations, simply choose your country and the correct price will show up in the basket.

Delivery times range from 2-4 days, 4-9 for remote areas.

A quick glance at some of our rates...

Destination Delivery Times Cost
Republic of Ireland, Belgium, France, Germany, Italy & Netherlands 2-4 Working Days £14.99
Spain, Austria, Denmark, Hungary 3-5 Working Days £19.99

Rest of the World

We can ship anywhere in the world, if you are outside of the EU we will knock 20% VAT off the price, rates depend on weight so please get in touch for an accurate price,

Read more about our delivery here.


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