Genelec 8331A Specifications and Review

Last updated: August 14, 2026

The Genelec 8331A ranks #1 out of 36 total Medium Size Powered Bookshelf Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

#1 Genelec 8331A: $4,500/pair Amazon Genelec

Pros: A true compact point source: the coaxial mid/tweeter and acoustically concealed opposed woofers produce exceptionally uniform directivity, superb nearfield summation and pinpoint imaging. Erin measured F3 at 49Hz and F10 at 39Hz, heard useful 40Hz in-room extension, and reached 100dB at 3m before protection activated. Response is highly neutral, distortion is low, and GLM provides calibrated level, delay and room-response correction. The die-cast aluminum waveguide/enclosure is both structurally inert and nearly diffraction-free.

Cons: At $4,500/pair it is expensive for a monitor whose protection circuit mutes near its limit rather than allowing short-term overload; larger rooms and bass-heavy playback still benefit from a subwoofer. GLM calibration requires separate network hardware, and connectivity is studio-centric—analog/AES XLR with no consumer streaming. The compact dual racetrack woofers cannot match larger Genelec Ones for deep-bass headroom, and passive sensitivity is not applicable because all filtering and amplification are internal.

How it compares: Just below it: Neumann KH120 MKII - $2500 cheaper.

Amplification72W LF + 36W MF + 36W HF
Bass Extension (-10dB)39Hz (measured, Erin's Audio Corner)
Bass Extension (-3dB)49Hz (measured, Erin's Audio Corner)
Dimensions12"H x 7.4"W x 8.3"D (305 x 189 x 212 mm)
DriversDual 130x65mm woofers; 90mm coaxial mid; 19mm tweeter
Maximum Output100dB at 3m before protection (measured, Erin's Audio Corner)
SensitivityNot applicable (active DSP loudspeaker)
Weight14.8 lbs / 6.7kg each

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