Adam Audio T8V vs Genelec 8351B

Last updated: September 10, 2026

Short answer: the Genelec 8351B for better sound quality, the Adam Audio T8V for the lower price. The Genelec 8351B ranks #4 of 67 powered bookshelf speakers at $9150. The Adam Audio T8V ranks #53 at $349.99, $8800.01 cheaper.

Adam Audio T8V vs Genelec 8351B

What the Adam Audio T8V offers: Quite balanced and neutral, very close to the Yamaha HS8. Deeper bass than the HS8 Watch for: A crossover-region notch around 4.6kHz where tweeter and woofer interact, and a hole in the vertical response below the tweeter axis - keep the tweeter at or above ear height. Distortion is well controlled at 86dB SPL but gets messier at 96dB.

What the Genelec 8351B offers: CEA2034 spinorama shows exceptionally flat response both on- and off-axis. Predicted in-room response is “as good as it gets” - should sound very neutral in nearly any room. Horizontal beamwidth of about ±50 degrees is described by the reviewer as exceptionally smooth, a model example of well-executed directivity control. Vertical directivity is nearly as good as horizontal, a benefit of its coaxial driver design that’s rare among non-coaxial monitors. Distortion at 86dB SPL/1m is remarkably low - the reviewer says it’s “better than many headphones.” Watch for: Deep bass distortion rises substantially at higher output (96dB SPL/1m) - the reviewer notes “deep bass suffers” below about 100Hz. A distortion spike also appears near 8-10kHz at that same higher output level. Cumulative spectral decay (waterfall) measurements show resonances around 1-2kHz. Very expensive.

Buy the Adam Audio T8V if the price matters more than sound quality. Buy the Genelec 8351B if sound quality matters more than the price.

If sound quality matters at all to you, skip the Adam Audio T8V. It ranks near the bottom of the 67 powered bookshelf speakers, so look higher up the list instead.

Specifications Side By Side

Adam Audio T8V Genelec 8351B
Price$349.99$9150
Ranked#53 of 67 in Large Size Powered Bookshelf Speakers#4 of 67 in Large Size Powered Bookshelf Speakers
Bass Extension (-3dB)45Hz (measured, Audio Science Review)33Hz (measured, Audio Science Review)
Bass Extension (-10dB)35Hz (measured, Audio Science Review)28Hz (measured, Audio Science Review)
Dimensions15.8"H x 9.8"W x 13.2"D (401.3 x 248.9 x 335.3 mm)17"H x 11.3"W x 10.9"D (431.8 x 287 x 276.9 mm)
Frequency Response33Hz - 25kHz (-6dB) (Manufacturer specified)32Hz - 40kHz (±1.5dB) (Manufacturer specified)
InputsXLR, RCAXLR
Weight21.6 lbs / 9.8 kg31.1 lbs / 14.1 kg each
Drivers8" (203mm) woofer8.6" woofer, 5" coaxial with tweeter midrange, 0.75" (19mm) coaxial tweeter
AppNoYes (GLM)
BluetoothNoNo
EQYes (Room adjustment)Yes (via GLM software)
DSPNoYes
Output Power90w Per Speaker550w Per Speaker
Max SPL-113dB @ 1m

More top alternatives to Genelec 8351B:

Prices on this page were last checked September 9, 2026 at 6:54 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Adam Audio T8V: $349.99 Amazon eBay

Adam Audio T8V ranking card

Pros: Measured -3dB extension of 39.6Hz gives useful bass depth for an affordable large monitor. Analog inputs and basic shelf controls offer uncomplicated studio integration.

Cons: The 5.42 ideal-subwoofer score and 3.0dB response span from 300Hz to 5kHz show less even tonal balance than stronger budget alternatives. Treble emphasis and crossover-region vertical cancellation make listening height important. Deep bass and an AMT tweeter do not by themselves imply accurate sound.

AppNo
Bass Extension (-10dB)35Hz (measured, Audio Science Review)
Bass Extension (-3dB)45Hz (measured, Audio Science Review)
BluetoothNo
DSPNo
Dimensions15.8"H x 9.8"W x 13.2"D (401.3 x 248.9 x 335.3 mm)
Drivers8" (203mm) woofer
EQYes (Room adjustment)
Frequency Response33Hz - 25kHz (-6dB) (Manufacturer specified)
InputsXLR, RCA
Output Power90w Per Speaker
Weight21.6 lbs / 9.8 kg

Genelec 8351B: $9150 B&H Photo Video eBay

Genelec 8351B ranking card

Pros: The vertical ASR measurement scores 7.75 with an ideal subwoofer and reaches 35.2Hz at -3dB. Coaxial midrange and treble help maintain consistent sound as the listening angle changes. Low measured distortion at ordinary listening levels and GLM calibration make it a strong precision-monitoring choice.

Cons: Bass distortion increases at higher playback levels, so a subwoofer remains useful for demanding material. Upper-treble distortion in the test also cautions against assuming unlimited output. Calibration hardware adds to an already expensive system, and the quoted result is for the measured vertical orientation.

AppYes (GLM)
Bass Extension (-10dB)28Hz (measured, Audio Science Review)
Bass Extension (-3dB)33Hz (measured, Audio Science Review)
BluetoothNo
DSPYes
Dimensions17"H x 11.3"W x 10.9"D (431.8 x 287 x 276.9 mm)
Drivers8.6" woofer, 5" coaxial with tweeter midrange, 0.75" (19mm) coaxial tweeter
EQYes (via GLM software)
Frequency Response32Hz - 40kHz (±1.5dB) (Manufacturer specified)
InputsXLR
Max SPL113dB @ 1m
Output Power550w Per Speaker
Weight31.1 lbs / 14.1 kg each