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Active Monitors
Fostex PM0.3H White

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Active Speaker System
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The white Fostex PM0.3H-W is a personal active speaker system designed to provide compact audio amplification with extended high-frequency reproduction for musicians, producers, and audio engineers in home studios, computer workstations, and editing suites. It features 30W of Class-D amplification driving two speakers—one active and one passive. Each speaker has a 3" fiberglass cone woofer and a 3/4" silk dome tweeter housed in a wooden enclosure with a rear bass reflex port.

The 110 Hz to 40 kHz frequency response makes it ideal for production environments where monitoring emphasis is on high-end detail rather than sub-bass frequencies. Stereo RCA and 3.5mm inputs enable easy connectivity with mixers, audio interfaces, and mobile devices. A volume knob on the rear of the active speaker offers quick level adjustment for both speakers. A 5' speaker cable, 5' stereo aux cable, and power adapter are included with the PM0.3H-W.


  • 2-way system with 3" fiberglass cone woofer and 3/4" silk dome tweeter drivers
  • One active speaker and one passive speaker
  • Sturdy wooden enclosure with rear bass reflex port
  • Matte-finished front baffle
  • Class-D amplification provides 15W RMS per channel
  • Stereo RCA and 3.5mm mini-jack inputs
  • Includes speaker cable to interconnect speakers
  • Includes power adapter and 3.5mm stereo aux cable

Technical Specifications


  • LF driver:    3" (75mm) cone speaker
  • HF driver:    3/4" (19mm) soft dome tweeter
  • Frequency Response:    110 Hz – 40kHz (+-3dB)
  • Crossover Frequency:    2.65kHz



    Connector:    RCA
    Input Sensitivity:    360mV


    Connector:    Stereo Mini
    Input Sensitivity:    650mV

  • Output Power:    15W + 15W (RMS)
  • T.H.D.    less than 0.1% (at 1W, 4-ohm loaded, 20-40kHz)
  • S/N Ratio:    90dB or less (A-weighted)


  • Power Supply:    DC IN 15V, 3.2A
  • Dimensions:    100mm (H) x 185mm (H) x 130mm (D) excluding protrusions
  • Net Weight:    2.9kgs (1.5kgs R unit + 1.4kg L unit)
  • Supplied accessories:    AC Adapter, L-R Speaker Cable (1.5m), Stereo mini – Stereo mini cable (1.5m)

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