Fostex PM0.3 Review: Ranked #9 of 23

Last updated: September 11, 2026

The Fostex PM0.3 ranks #9 out of 23 total Small Size Powered Bookshelf Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

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Fostex PM0.3 - ranked #9 of 23 Small Size Powered Bookshelf Speakers · Editor's rating 3.6/5

#9 Fostex PM0.3: $90 per pair Discontinued eBay

Pros: ASR’s Klippel measurements show relatively even midrange output, spanning 2.9dB from 300Hz to 5kHz. Its 5.66 predicted preference score with an ideal subwoofer is close to the Edifier MR3’s, so the small size does not rule out useful desktop sound when bass is handled separately. The review found that modest correction around the upper midrange could improve its balance.

Cons: Very limited bass: the measured -3dB point is about 108Hz, and the standalone preference score falls to 2.23. Uneven off-axis response and substantial distortion when pushed prevent the respectable subwoofer-normalized score from translating into strong all-round performance. It belongs below the MR3 for standalone desktop use, and is unsuitable for loud playback. Discontinued.

How it compares: Just above it: Edifier MR3 - $60 more, 21W more output power. Just below it: Bowers & Wilkins Formation Flex.

AppNo
Bass Extension (-10dB)65Hz (measured, Audio Science Review)
Bass Extension (-3dB)82Hz (measured, Audio Science Review)
DSPNo
Dimensions7.3"H x 3.9"W x 5.1"D (185 x 100 x 130 mm) (per manufacturer)
DiscontinuedYes
Drivers3" cone woofer, 0.75" soft dome tweeter (master/slave powered pair)
EQNo
Frequency Response110Hz - 20kHz +/-3dB (Manufacturer specified)
Output Power15W + 15W RMS
Weight6.4 lbs / 2.9 kg pair