BASSBOSS VS21-MK3

Product Overview
The BASSBOSS VS21-MK3 is an active subwoofer renowned for its punchy, deep bass and high output, suitable for various genres from club scenes to acoustic performances. With a frequency response of 25–90Hz, it delivers smooth, accurate, and clean sound, satisfying demands from hard-hitting kick drums to deep bass tones.

Powered by a 2,500-watt RMS Class-D amplifier with advanced DSP and eight presets, the VS21-MK3 ensures continuous power delivery without the risk of clipping damage. Control BASSBOSS software allows for easy customization and remote control, while IP65 waterproof connectors and global power compatibility offer versatility for diverse environments worldwide.

Featuring a massive displacement 21″ woofer rear-loaded into a vented enclosure and front-loaded onto a short horn, the VS21-MK3 provides extended low-frequency performance and improved transient response. This combination delivers both extended depth and high impact, ensuring immediate, full, and effortless low-end extension for exceptional sound quality.

BASSBOSS Features:
Punchy and full deep bass
96kHz DSP processors with pristine sound quality and onboard presets
Control BASSBOSS software provides additional features
Long-excursion 21” woofer
BASSBOSS Specifications:
Acoustical:
Loudspeaker Description Single 21″ Self-Powered 6th-order Hybrid Subwoofer
Frequency Response (±3 dB) 28 – 100Hz
Maximum Sustained Output: 135 dB SPL 1m half-space
Electrical:
Amplification: 2500 Watt Class D Amplifier
Processing: Integrated comprehensive DSP provides high pass, low pass, phase alignment and limiting
Electrical Connectors, Amp: Neutrik powerCON True 1 TOP waterproof connectors
Electrical Connector, Mains: Standard US 3-pin grounding 120V electrical plug: NEMA 5-15
Voltage Operating Range: 100-240V AC, 50-60Hz (Auto-sensing, auto switching universal supply)
Current Draw, Nominal: 4.6A @ 120 Volts, 2.3A @ 240 Volts (Average with music content)
Signal Input Connector: XLR-F
Signal Output Connector: XLR-M (Direct pass-through, unprocessed)
LAN Connectors: EtherCON RJ45 (x2) with 2-port Ethernet switch
Physical:
Enclosure Type: Direct radiating, vented enclosure, optimally tuned for low frequency reponse, with high sensitivity and high power handling
Transducer: 1 x 18” diameter (457 mm) neodymium motor woofer with 4.5 in. (115mm) copper winding voice coil
Cabinet Construction: CNC machined 18 mm Birch plywood with dado and Rabbet joinery
Dimensions (HxWxD): 22.5 in. x 30 in. x 24 in. (23.25 in. high with feet)Net Weight: 125 lbs. (82 kg)
Shipping Weight: 140 lbs. (104 kg)
Exterior Finish: Weatherproof bonded high-pressure polyurea
Grille: Perforated, powder-coated steel
Pole Sockets: 1 (35 mm) steel
Handles: 4 Integrated handles
Feet: 4 interlocking rubber feet
Suspension System: 8 X M10 threaded flypoints