14M (discontinued)

Four Input, One Output Pre-Amplifier/Mixer

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Crown’s Commercial Audio mixers deliver legendary Crown quality to the commercial audio industry. These high-value mixers are designed for use in a wide range of commercial applications including schools, hospitals, factories, restaurant/retail, houses of worship, fitness facilities, A/V boardrooms, prisons, and small offices. Easily configured for a range of uses such as paging, background music, security, and evacuation instructions, Crown’s Commercial Audio units are the smart choice for commercial sound.

For more commercial mixer options, check out the JBL Commercial Series

Recommended for: Commercial.


  • Ideal for commercial and industrial use
  • Expandable by adding Crown Commercial Audio Series amplifiers or mixer-amplifiers
  • Balanced Phoenix-type mic/line inputs
  • Any input can be sent to any output channel
  • Priority muting
  • Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment and guarantees its specifications
  • The 14M has 4 inputs and 1 output channel
  • The 28M has 8 inputs and 2 output channels


  Version Language Size Uploaded
file type icon CSM14 & CSM28 Manual
updated: Aug 2015
    1.45 MB Aug 2015
file type icon 14M & 28M Operation Manual
updated: Aug 2015
    1.46 MB Aug 2015
Declaration Of Conformity
file type icon 14M, 28M Declaration of Conformity
updated: Aug 2015
    79.2 KB Aug 2015
Data Sheets
file type icon 14M & 28M Data Sheet
updated: Aug 2015
    280 KB Aug 2015
Quick Start Guides
file type icon 14M & 28M QSG
updated: Aug 2015
    1.98 MB Aug 2015
A&E (Architectural & Engineering) Specifications
file type icon 14M A&E Spec
updated: Aug 2015
    80.9 KB Aug 2015

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Frequency Response (at line out) 20 Hz to 20 kHz +/- 1 dB
Signal to Noise Ratio (master volume at minimum): 100 dB
THD 0.05% typical with 800 mV balanced input, 1V output
Input Sensitivity (volts RMS for full output at miximum gain): Balanced mic inputs: 3 mV, Balanced line inputs: 800 mV, RCA connectors: 400 mV
Input Impedance (nominal) Mic: 400 kilohms, Line: 100 kilohms, RCA: 50 kilohms
Crosstalk (all controls at "10") -50 dB at 1 kHz
Line Output Level (nominal) 1.2 V into 10 kilohms
Phantom Power 15 VDC
AC Line Voltages Available 100V 50/60 Hz, 120V 60Hz, 220V 50/60 Hz, 230V 50/60 Hz, 240V 50/60 Hz
Operating Temperature/Humidity 0 degrees C to 40 degrees C at 95% relative humidity (non-condensing)
Storage Temperature -20 degrees C to 85 degrees C


HARMAN Professional Solutions:

14M (discontinued)

Four Input, One Output Pre-Amplifier/Mixer