dB Technologies DVA S1521 N

The DVA S1521N is a powered 21“ subwoofer housed in a bass reflex enclosure that we tuned for accurate, ultra low-frequency response. It readily integrates into large DVA and DVX Series PA systems as a sub-bass unit or as a stacked subwoofer. Made of durable birch multiplex covered in robust black textured lacquer, the high-quality housing provides six carrying handles, an M20 pole mount, and bushings on the rear panel that accept casters. Pick-points for attaching DRK-10 and DRK-20 harnesses are built into the top panel to enable easy, safe stacking.

Top-notch 21“ woofer

Serving as the unit’s transducer is a state-of-the-art 21” woofer with neodymium magnets and a 4.5“ voice coil. This combination of high-quality materials and sophisticated magnetic drivers yields some pretty impressive results. Even very low bass frequencies are rendered with pinpoint precision and hair-trigger transient response, treating audiences to a breathtaking audio experience.

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Speaker Type: Active Bassreflex-Subwoofer
Frequency Response [+/- 3dB]: 30 – 110 Hz
Max SPL: 139 dB
Directivity: Omnidirectional, Cardiod Option with DSP setup
LF: 21 “
Type LF: RCF Neodymium
Voice Coil LF: 4.5 “
Amp Technology: digipro
Amp Class: Class D
Power Supply: 1.5 kW SMPS
LF Amp: 1500 W/RMS
Cooling: Convection
Signal Input: 1x XLR fem, sym.
Network: RDnet, 2x RJ45
Signal Output: 1x Link XLR, male, sym 1x X-Over Out, XLR male, sym.
Power Socket: Powercon In/Out
Voltage Range: 90 – 240 V
Housing: Multiplex birch plywood
Housing Design: Rectangular
Color: Black
Surface: Texture Textured acrylic lacquer
Handles: 3x Per Side
Pole Mount: M20
Front Grille: 1.5mm metal grille
Rigging Points: 2xM10 on top to fix DRK10/20 rigging frames
Flytracks: No
Castors: Optional
Width: 580 mm (23.2 in)
Height: 800 mm (32 in)
Depth: 720 mm (28.8 in)
Weight: 52.5 kg (115.74 lbs)