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d&b audiotechnik 21S-SUB

subwoofers - technology - sound - d&b audiotechnik 21S-SUB Subwoofers
d&b audiotechnik 21S-SUB

d&b audiotechnik 21S-SUB Installation specific high performance 21" subwoofer with compact footprint.

For more information please open the following link: 21S-SUB Technical Data

  • Condition: New
  • Stock: Price on Request
  • Model: N-dbau-21s-sub-0001
  • Location: Bulgaria,Greece
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The 21S-SUB is a high performance subwoofer for use with the xS-Series and xA-Series loudspeakers and is intended for a wide range of permanently installed applications. The cabinet houses a single long excursion 21" driver in a bass-reflex design.
The large, specially shaped reflex port enables the 21S-SUB to achieve high Sound Pressure Levels from a cabinet with a small footprint. When operated in INFRA mode, the 21S-SUB can be used to complement other d&b subwoofers by extending the frequency response of the system down to 33Hz. The 21S-SUB can be ground stacked or flown in either orientation. It can be flown individually or in a cluster of two cabinets.
The enclosure is constructed from marine plywood with an impact resistant black paint finish. The front of the loudspeaker cabinet is protected by a rigid metal grill backed by an acoustically transparent foam. The top, bottom and rear panels each incorporate a pair of M10 threaded inserts for attaching d&b rigging hardware. The Weather Resistant (WR) option provides an IP55 rating that enables the operation of loudspeakers in changing ambient conditions, and features a fixed cable.

Speaker Diameter
LF Nominal Diameter21"
Nominal Impedance
Loudspeaker Nominal Impedance4 Ohms
Power Capacity
Loudspeaker Power Capacity (RMS/peak 10 ms)650/2600 W
Frequency Range
Frequency Range35 Hz - 105 Hz
Dispersion AngleOmni directional
SPL Max135 dB
SPL Min134 dB

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