d&b audiotechnik 21S Subwoofer Installation Specific High Performance Subwoofer with Compact Footprint

The 21S-Sub is a high-performance subwoofer designed to complement xS-Series and xA-Series loudspeakers. It features a long excursion 21" driver in a bass-reflex design.

The 21S-Sub is designed to be complement other d&b subwoofers by extending the frequency response of the system down to 33Hz, when in INFRA mode. Also, the subwoofer can be ground stacked or flown.

The 21S-Sub is available weather-resistant.

Features:

• Components: 2 x 12"/1.4"
• Dispersion: 110° x 45°
• SPLmax: 137 dB
• Weight: 33 kg / 73 lb

Specifications:

• System data:
  • Frequency response (-5 dB standard): 35Hz – 105Hz
  • Frequency response (-5 dB INFRA mode): 33Hz – 85Hz
• Max. sound pressure:
  • D20/30D amplifier: 134dB
  • D80 amplifier: 135dB
  • Cabinets per amplifier channel: 1
• Loudspeaker data:
  • Configuration: Installation-specific high-performance subwoofer with a compact footprint
  • Nominal impedance: 4 ohm
  • Power handling capacity (RMS/peak 10ms): 650/2600W
  • Components: 21″ driver with neodymium magnet
  • Connections: Faston connector type 2
• Dimensions / Weight (H x W x D) (Approx.):
  • Height: 43-5/16″
  • Width: 22-13/16″
  • Depth: 20-11/16″
  • Weight: 119 lb. / 54 kg

Amplifiers:

• d&b audiotechnik D20 Amplifiers
• d&b audiotechnik D40 Amplifier
• d&b audiotechnik D80 Amplifier
• d&b audiotechnik D25 Amplifier
• d&b audiotechnik D90 Amplifier
• d&b audiotechnik 30D Amplifier
• d&b audiotechnik 40D Amplifier
• d&b audiotechnik 25D Amplifier