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Behringer 4-Channel Expander/Gate/Compressor/Peak Limiter

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Product Description


The MULTICOM PRO MDX4600 from Behringer provides four channels of Interactive Knee Adaptation (IKA) compression/limiting, housed in a single rack space chassis. A peak limiter on all channels helps prevent clipping of the audio source.

Each compressor features program dependent attack and release times with a switchable side-chain filter to help with bass dominated compression. Channels 1/2 and 3/4 can be switched as independent pairs for stereo operation and accurate metering and professional connections provide extensive processing power.

  • Program adaptive compression circuitry (IKA) combines the advantages of both hard and soft knee characteristics
  • Compression characteristics switchable between IKA and hard knee characteristics
  • Interactive gain control peak limiting circuitry combines clipper and program limiter for reliable and inaudible protection against signal peaks
  • Switchable high-pass filter in the control signal path prevents "pumping" due to low-frequency dominated compression
  • Stereo couple function for channels 1 & 2 and 3 & 4 selectable with real totaling RMS output
  • Accurate 8-segment LED meters for input/output levels and gain reduction
  • High quality detented potentiometers and backlit switches
  • Operating level switchable from +4dBu to -10dBV
  • Servo balanced inputs and outputs with gold-plated XLR and 1/4" TRS connectors


Function 4-channel compressor/limiter and peak limiter
Number of Channels Four
Inputs 4 x XLR
4 x 1/4" TRS phone
Outputs 4 x XLR
4 x 1/4" TRS phone
Maximum Input Level +21dBu
Compression Threshold -40dB to +20dB, variable
Compression Ratio 1:1 to infinity:1, variable
Attack Time Automatic
Release Time Automatic
Gate Threshold Not applicable
Gate Rate Not applicable
Maximum Output Level +21dBu
Make-up Gain -20dB to +20dB, variable
Frequency Response 0.35Hz to 200kHz, +0/-3dB
Dynamic Range Not specified by manufacturer
Noise >95dBu, unweighted
Dimensions (WxDxH) 19" x 8 1/2" x 1 3/4"
Specialties Channels 1/2 and 3/4 can be linked for dual stereo operation
Packaging Info
Package Weight 7.2 lb
Box Dimensions (LxWxH) 20.7 x 12.1 x 4.4"

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