Fostex RM-3
Rackmount Active Stereo Monitor with Analog and AES/EBU Inputs


The Fostex RM-3 is the ideal solution for monitoring needs in various space-challenged environments such as machine rooms, video monitoring, surveillance, mobile and stationary control rooms, or any application where audio monitoring is needed in a compact environment. Delivers accurate sound from its built-in 10W+10W D-class amplifier and 110x40mm elongated shape speaker units. The RM-3 accepts both analog input (XLR and ¼” TS) and digital input (AES/EBU).


  • Built-in 10W+10W Class D amplifier and 110x40mm speakers
  • Accepts analog (XLR & 1/4" TS) and digital inputs (AES/EBU)
  • Headphone out for headphone monitoring
  • Mute switch functions as a total mute or -20dB attenuation
  • Highly visible 26-dot LED meter


  • Speaker Section: 110 x 40 mm antimagnetic cone speakers
  • Frequency Response: 200 Hz – 20 kHz
  • Amplifier Section:
    • Rated Output Power: 10W x 2
    • Digital Input: XLR-3-31 connector (AES/EBU)
    • Sampling Frequency: 44.1 kHz to 96 kHz
  • Analog Inputs:
    • XLR-3-31 connector (balanced):
      • Rated Input Level: +4/0dBu
      • Input Impedance: 10 kOhm or more
    • 1/4” Phone jack (unbalanced):
      • Rated Input Level: -10/-14 dBV
      • Input Impedance: 10 kOhm or more
    • Digital THRU: XLR-3-31 connector (AES/EBU)
    • Analog THRU: XLR-3-31 / 1/4” TS phone
    • Phones: 1/4” stereo phones
    • Adapted load impedance: 16 ohm or more
    • Maximum Output: 20mW + 20mW (32ohm, 1kHz)
    • Level Meter: 26-dot LED x 2
    • ReferenceLevel:
      • Digital: -20dBFS
      • Analog XLR: +4/9dBu
      • TS Phone: -10/-14dBV
    • Distortion (T.H.D.): 0.1% or less
    • General:
    • Dimensions (HxWxD): 482mm x 44mm x 284mm (including protruding parts)
    • Weight: approx. 3.5 kgs
    • Power Requirement: AC 100V to 240V 50/60Hz
    • Power Consumption: 10 W (0.5W or less in standby mode)

WARNING: Cancer and Reproductive Harm -

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