BassBoss DJ21S

New Sale BassBoss DJ21S

DJ21S Powered Subwoofer

Move the Earth Beneath Your Feet




WHY CHOOSE A DJ21S SUBWOOFER?


With performance down to 24 Hz, the DJ21S will move the floor beneath you, along with everyone and everything in the room.

For DJs and venues seeking extremely deep bass at very high levels, the DJ21S is the smallest, lightest and most cost-effective solution available. Suitable for the truly bass-insatiable, whose focus is on modern music that features frequencies well below the usual 40-50Hz range.


This extremely compact subwoofer weighs only 138 lbs and delivers output down to 24Hz (-3dB).

The DJ21S is +2.5dB at 30 Hz while most subs are -10dB at 30 Hz.

That’s an equivalent output ratio of 4:1 at the lowest notes – and other mobile subs don’t get anywhere near this deep. Nothing else on the market of this size comes close – guaranteed. You can buy four mass-market subs that cost more, weigh more, take up more space, and don’t blow people away… or use just one DJ21S.


BASSBOSS cabinets are hand-built in the USA.

Constructed from 18mm Baltic Birch plywood, using dado joints, screws and advanced composite adhesives. Stainless steel bolts are used to secure the driver, amplifier and pole sockets.


Created to stand up to intense usage.

The cabinet is finished in an extremely rugged, black polyurethane coating. Drivers are protected by a black powdercoated, perforated steel grill, and the amp is recessed into the back of the cabinet for protection from damage.


A 2400W RMS amplifier with integrated, comprehensive DSP is included.

The amplifier is rated for RMS output using continuous sine wave signal.


This is not a Peak or Burst power rating.

BASSBOSS uses only continuous RMS power ratings because you’re not going to be using your sub in millisecond bursts. For subwoofer applications, Peak and Burst power ratings are largely irrelevant.


The amplifier is capable of delivering 2400W of continuous output.

This ensures the amp isn’t the limiting factor in the output of low frequencies. Providing abundant power prevents overheating issues and virtually eliminates the damage that clipping a too-small amp can cause.


All that electrical power is converted into acoustical energy by a 21 inch neodymium motor woofer.

This premium-quality driver features a split-wound 4.5 inch 4-layer copper-clad aluminum voice coil, with a peak-to-peak excursion capability of up to 60 mm !


The woofer cones are waterproofed.

BASSBOSS woofers can survive light ran, spilled drinks and dusty environments that may leave the drivers needing a thorough cleaning. Keep the amplifiers dry and party on!


High-intensity Neodymium magnets are lighter and provide higher efficiency so the result is a lighter and louder cabinet. 

Split-wound coils produce a more linear force through the range of movement of the cone, which results in lower distortion and improved linearity at high output.


The cones are waterproofed to protect them from possible, accidental exposure to moisture such as rain or spilled beverages. 

Waterproofed woofer cones also permit the cleaning of drivers that have been soiled in a dirty or dusty environment with the use of a damp cloth. Keep the amplifiers dry and party on!


Specifications


ACOUSTICAL

Loudspeaker Description High-output Single 21 inch Subwoofer
Frequency Response (±3 dB) 24 – 90 Hz
Maximum Sustained Output 132 dB SPL, 1 meter, half-space (ground plane)
Max SPL (Peak)* 139 dB
Nominal Dispersion (H° x V°) 360 x 360 – Cardioid Mode Available with Multiple Boxes

ELECTRICAL

Amplification 2400 Watt Continuous RMS Class D Subwoofer Amplifier
Processing Integrated comprehensive DSP provides high pass, low pass, phase alignment and limiting
Electrical Connectors, Amplifier Neutrik powerCON Input (Blue) NAC3FCA
Electrical Connector, Mains Standard US 3-pin 120V electrical plug: NEMA 5-15 (Edison)
Voltage Operating Range 90-132VAC, 55-65Hz
Current Draw, Nominal 360 W, 3A @ 120 volts (typical, 1/8 max power)
Signal Input Connector XLR-F
Signal Output Connector XLR-M (pass-through only)

PHYSICAL

Enclosure Type Direct radiating, vented enclosure, optimally tuned for high sensitivity at extremely low frequencies
Transducer 1 x 21 in. diameter (530 mm) neodymium motor woofer with 4.5 in. (115 mm) copper-clad aluminum winding voice coil and 60 mm (2.36″) peak to peak excursion. Waterproof fiber composite cone
Cabinet Construction 18 mm Baltic Birch plywood. Equipped with 2 integrated handles, 1 pole socket, and 4 rubber feet
Dimensions (HxWxD) 35 in. x 24 in. x 24 in. (35.75 in. high with feet)
Net Weight 138 lbs
Shipping Weight 160 lbs
Exterior Finish Rugged, weatherproof, black textured, bonded high-pressure polyurethane coating
Grill Perforated, powder-coated steel
Pole Sockets 1 (35 mm)
Handles 2 Integrated Handles

OPTIONAL

Transport Dollies Dolly cart, requires 4-part assembly, holds one box for transporting 1 cabinet
Covers Heavy-duty padded nylon transport cover for 1 cabinet

Our proactive philosophy causes specifications to be subject to change whenever improvements are made.

*Peak output is calculated using “industry standard” techniques. These calculation methods create theoretical specifications that are inflated over what can actually be achieved. BASSBOSS real world output specifications are provided as “Maximum Sustained Output” ratings, which reflect actual measured, continuous output levels.

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