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d&b audiotechnik 4S


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Product Overview

The 4S is a lightweight 2-way passive loudspeaker housing a neodymium LF driver and coaxially mounted wide dispersion dome tweeter.

It employs a 4” driver in a highly compact sealed enclosure and offers a symmetrical dispersion pattern in the horizontal and vertical plane while the cabinet may be mounted in either attitude. The 4S can be used stand-alone or supplemented by different subwoofers from the xS-Series

The 4S can be driven either by the d&b D6 or D12 dual channel power amplifiers configured for the 4S. More detailed information on specific loudspeaker setups with d&b amplifiers is available either in the relevant loudspeaker or amplifier manuals.



The enclosure is injection moulded with an impact and weather resistant (IP34 rating) black or white paint finish. The front of the loudspeaker cabinet is protected by a rigid metal grill backed by an acoustically transparent foam. Incorporated into the rear panel are two M8 threaded inserts, two NL4 connectors and a two pole screw terminal block. The loudspeaker cabinet and most accessories are also available with the Special Colour (SC) option that can be executed in all RAL colours.


  • System data
  • Frequency response (–5 dB standard)    130 Hz - 20 kHz
  • Frequency response (–5 dB CUT mode)    180 Hz - 20 kHz
  • Max. sound pressure (1 m, free field)
  • with D6    114 dB
  • with D12    115 dB
  • Input level (100 dB SPL/1 m)    –4 dBu
  • Loudspeaker data
  • Nominal impedance    16 ohms
  • Power handling capacity (RMS/peak 10 ms)    60 W/400 W
  • Components    4” driver with neodymium magnet
        0.75” dome tweeter coaxially mounted
  • Passive crossover network
  • Connections    2 x NL4
        screw terminal block
  • Pin assignments    NL4: 1+/1–
  • Weight    1 kg (2 lb)

Product Downloads

  • 4S xS-Series Brochure PDF 4.6 MB
  • 4S Installation Sound Products Brochure PDF 7.1 MB
  • 4S User Manual v1.2 PDF 1.1 MB


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*Prices are in AUD, include GST and are subject to change. Please call National Audio for pricing and availability on the 4S.