BassBoss DJ18S-MK3 Active Subwoofer Speaker (1x18")

With 2500 watts of RMS power handling and extremely impressive low-end extension, the BassBoss DJ18S-MK3 sub delivers bone-shaking bass to your audience.

The compact DJ18S-MK3 18" Active Subwoofer delivers an incredible frequency response and an amazing Output-To-Size Ratio in a lightweight and easy to transport formfactor.

For DJs and venues seeking extremely deep bass at moderately high levels, the DJ18S-MK3 are also a cost-effective solution that is suitable for the truly bass-insatiable whose focus is on modern music that features frequencies well below the usual 40-50Hz range. This super sub delivers output down to 27Hz (+-3dB). By comparison, most similarly sized subs are at least -10dB to at 30Hz, yielding an output advantage with the DJ18S-MK3 equivalent to a 2:1 ratio at the lowest notes.

The all MK3 series deliverers a suite of updates to the BASSBOSS line, improving clarity, performance, functionality, and safety via the new amplifiers, new DSP, custom control software, waterproof connectors, and more.

The updated amplifiers + DSP feature much more powerful 96 kHz processors with pristine sound quality and eight touch-of-a-button on board presets. This new state-of-the-art Class D amplifier provides a true 2500 Watts of RMS power. The amplifier is truly capable of delivering continuous power, ensuring that it isn't the limiting factor on your quest for low frequency. Additionally, by providing an abundance of power, the possibility of overheating and damage to the woofers caused by clipping is virtually eliminated.

New "Control BASSBOSS" software provides additional computer-accessible presets, networked remote read more control, and future proofing remote DSP update capabilities as new BASSBOSS programming is developed and released. Each unit features dual ethernet ports with a built-in network switch for computer connectivity and cascading networking ability.

IP65 waterproof connectors have been added to provide peace-of-mind in unpredictable environments, and the MK3 line offers 90-250VAC global power compatibility for use all over the world.

The cabinets are constructed from premium selected 18mm Baltic Birch plywood. The driver is protected by a black powder-coated, perforated steel grill. The woofer cones are waterproofed so the cabinets are safe to use outdoors where they may encounter rain or spilled drinks.

The long excursion high-efficiency 18-inch neodymium motor woofer features a copper-winding voice coil and is loaded into a vented enclosure that is tuned to optimize low frequency output using a very large port. The amp is loaded at the interior port end to utilize the air flow at high output for additional cooling. The cabinet was designed to minimize weight and maximize efficiency.

The DJ18S-MK3 performance easily surpasses all other portable single 18"s on the market and delivers the experience you have been waiting for.


- Single 18 in. Vented Direct radiating subwoofer,
- 2500W RMS Class D amplifier with integrated signature DSP
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- Frequency response (+-3dB): 27 - 100 Hz.
- Dims: 27.5 in. x 20.5 in. x 29.5 in.
- Weight: 105 lbs. 90-250V Operation
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 118 lbs
Shipping Dimensions: 33 x 31 x 24 in
Manufacturer Part Number (MPN): AMS-BB-DJ18S-MK3

For support or warranty questions, please contact the manufacturer:


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