d&b Audiotechnik 21S Subwoofer

Name: d&b Audiotechnik 21S Subwoofer
Brand: Production Audio
SKU: DBA21SS
Price: 11699 AUD
Availability: InStock

The d&b Audiotechnik 21S Subwoofer is a high-performance subwoofer designed for use with xS-Series and xA-Series loudspeakers, suitable for a variety of permanent installations.

d&b Audiotechnik 21S Subwoofer

The d&b Audiotechnik 21S Subwoofer features a single long-excursion 21″ driver in a bass-reflex enclosure, with a large, specially shaped reflex port that allows high Sound Pressure Levels from a compact cabinet. In INFRA mode, the 21S-SUB can complement other d&b subwoofers, extending the system’s frequency response down to 33 Hz.

The d&b Audiotechnik 21S Subwoofer can be ground-stacked or flown, either individually or as a cluster of two cabinets, in any orientation. Built from marine-grade plywood with an impact-resistant black paint finish, the cabinet is fronted by a sturdy metal grille backed by acoustically transparent foam.

M10 threaded inserts are included on the top, bottom, and rear panels for d&b rigging hardware. The Weather Resistant (WR) option, featuring an IP55 rating and a fixed cable, ensures reliable operation in changing environmental conditions.

Features

Components 21″
Dispersion Omni directional
SPLmax 135 dB

Specifications

Frequency response (-5 dB standard): 35 – 105 Hz
Frequency response (–5 dB INFRA mode): 33 – 85 Hz
Max. sound pressure:
- with D20/30D: 134 dB
- with D40/D80/40D: 135 dB
Cabinets per amplifier channel: 1
Loudspeaker data
- Configuration: Installation-specific high-performance subwoofer with compact footprint
- Nominal impedance: 4 Ω
- Power handling capacity (RMS/peak 10 ms): 650/2600 W
- Components:
  - 21″ driver with neodymium magnet
- Connections: 1 x NL4, 1 x screw terminal block
Dimensions: 1100mm x 580mm x 526mm
Weight: 54 kg