Crown 14M- Rack-Mountable 4 x 1 Preamplifier/Mixer


Crown 14M- Rack-Mountable 4 x 1 Preamplifier/Mixer Crown 14M- Rack-Mountable 4 x 1 Preamplifier/Mixer

The 14M, part of the Commercial Audio Series from Crown Audio, is a rack-mountable preamplifier/mixer ideal for use in factories, schools, hospitals, restaurants, offices, and other venues. It features four mic/line inputs with stereo RCA jacks and balanced phoenix-type connectors and a single output with a balanced phoenix-type connector. Priority muting is included for paging.
Individual volume, bass, and treble controls are provided for each input. LED signal indicators are provided for each input and the output.

  • Four input channels, each with stereo RCA jacks and balanced phoenix-type connectors
  • One output channel with a balanced phoenix-type connector
  • Priority muting for paging
  • Signal indicator LEDs
  • Level, bass, and treble controls for each input
  • Phantom power

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Frequency Response: 20Hz - 20kHz
Signal to Noise Ratio: 100dB
Total Harmonic Distortion (THD): 0.05% (Typical)
Input Sensitivity:

  • Balanced Mic: 3mV
  • Balanced Line: 800mV
  • RCA: 400mV

Input Impedance:

  • Mic: 400 ohms
  • Line: 100 k ohms
  • RCA: 50 k ohms

Crosstalk: -50dB
Output Level: 1.2V
Phantom Power: 15VDC
Controls Front Panel:

  • 1 x Power Switch
  • 4 x Input Volume Control Knobs
  • 4 x Bass Controls
  • 4 x Treble Controls
  • 1 x Output Volume Control Knob

Controls Rear Panel:

  • 1 x Mixer Config. DIP Switch (For Priority Muting and Phantom Power)
  • 4 x Mic/Line Selector Switches
  • 1 x Output Tone Control Potentiometer


  • Green LEDs for Input and Output Signals on Front Panel
  • Red Clip Indicator LED
  • Blue Power Indicator LED


  • 1 x AC Power Inlet
  • 1 x 2-Position Terminal Strip (24VDC Backup Power)
  • 1 x 3-Pin Phoenix Connector for Priority Muting
  • 1 x 3-Pin Balanced Phoenix Output Connector
  • 1 x 5-Pin Phoenix Connector for Tone Generator
  • 4 x Balanced 3-Pin Phoenix Input Connectors
  • 4 x RCA Stereo Input Pairs (8 Jacks Total)

Dimensions (WxHxD): 19 x 1.75 x 10.7" (483 x 45 x 272mm)

Other Details:

  • Manufacturer: Crown
  • Model: 14M
  • SKU: 14M
  • Shipping Weight: 13.7lbs

  • Crown Audio 14M - Rack-Mountable 4 x 1 Preamplifier/Mixer
  • Power Cord
  • 2 x Detachable Rack Ears
  • 3 Year Limited Warranty

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