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Unique Solutions for Video Production

Product Image BMC388 Blackmagic Cinema Camera Preamp

BMC388 Blackmagic Cinema Camera Preamp


ships to US only


The BMC388 is a feature rich low-noise preamp, which can enable you to reduce the audio "hiss" from your camera.  It has 3 XLR inputs and 48V/12V phantom power, meters, and locking balanced as well as unbalanced outputs.  It is built tough, and refined to provide the best power efficiency, smallest size, and lightest weight.  It incorporates sweet features such as Audio Bracketing (for camera overload protection), Selective Power-Down (to extend battery life).


  • 3XLR input low-noise preamp
  • 2 balanced outputs, amplified mic level, 3.5mm minijack (locking)
  • 1 unbalanced stereo output, amplified mic level, 3.5mm stereo minijack (locking)
  • 4 Segment R/L meters (each), which can be calibrated to camera
  • Super small and light: approx 8oz, 3.4" x 3.7" x 1.5" in an aluminum enclosure
  • Camera overload protection - Audio Output Bracketing
  • 48V phantom power, and power saving 12V phantom mode
  • Power
    • Switchable between Alkaline and LiPoly 9V battery use
    • Selective Power-Down mode to turn off portions of the preamp not being used
    • Battery Life Estimates
      • ​~6hr battery life (no phantom, all 3 XLR inputs active, Alkaline battery)
      • ~12hr battery life (no phantom, 1 XLR input active, Alkaline battery)
  • Approx 30dB max available gain
  • Approx +0dB / -1.5dB frequency response from 20Hz to 20KHz
  • MIC/LINE Switches
  • HI/LO Gain Switches
  • MONO/STEREO Switch
  • Designed and Assembled in USA


  • RP101 Cable 3.5/3.5mm 
    • Note: 2 RP101 are included with the BMC388.  To interface the RP101 cables to the BMCC input 2 Sony PC-234S phono to minijack adapters are required (NOT INCLUDED)

Additional Information