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d&b audiotechnik C4


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Product Overview

The C4-TOP is a coaxial hornloaded mid / high frequency loudspeaker and its narrow dispersion characteristics of 35° x 35° above 700 Hz allow for clear and intelligible sound reproduction over long distances at very high SPLs. This focusing of sound into a narrow beam is of special benefit in acoustically critical situations.

The C4-TOP can be driven either by the d&b D6 or D12 dual channel power amplifiers configured for the C4-TOP. More detailed information on specific loudspeaker setups with d&b amplifiers is available either in the relevant loudspeaker or amplifier manuals.



The C4-TOP cabinet is constructed from marine plywood and has an impact resistant paint finish, steel handles and MAN CF4 stud plate rigging points. The front of the loudspeaker cabinet is fitted with catches at the top and bottom for securing an optional transport lid, and mounted on the rear panel are ratchet strap guide plates, two hinge plates and four heavy duty wheels.


  • System data           
  • Frequency response (–5 dB)    150 Hz - 18 kHz
  • Max. sound pressure (1 m, free field)1    40 Hz - 100 Hz
  • with D6    136 dB
  • with D12    140 dB
  • Input level (100 dB SPL /1 m)    –21 dBu
  • Loudspeaker data     
  • Nominal impedance    8 ohms
  • Power handling capacity (RMS/peak 10 ms)    200/800 W
  • Nominal dispersion angle (h x v)    35° x 35°
  • Components    12” driver with 4” voicecoil /2” compression driver
              passive crossover network
  • Connections    2 x EP5, optional NL4
  • Pin assignments    EP5: 1/2 (NL4: 1+/1–)
  • Weight (incl. wheels)    58 kg (128 lb)

Product Downloads

  • C4 C-Series Brochure PDF 3.2 MB
  • C4 User Manual v3.0 PDF 0.1 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 C4.