Genelec 8030C vs Genelec 8330A

Last updated: August 19, 2026

Short answer: the Genelec 8030C. It ranks #3 of 48 powered bookshelf speakers by sound quality at $1590; the Genelec 8330A ranks #5 and costs $2250, so there is not much of a tradeoff to weigh.

The case for the Genelec 8030C: CEA2034 spinorama shows a near-flat on-axis response with smooth directivity - “very nice overall.” Predicted in-room response is excellent aside from one minor dip. The tradeoff: A minor but measurable dip between 2-3kHz shows up in both on- and off-axis measurements.

What the Genelec 8330A offers: Sits between the compact 8320A and the larger 8331A in Genelec’s SAM lineup, with a die cast aluminum Minimum Diffraction Enclosure and Directivity Control Waveguide that deliver a measured 55.7Hz extension point, well beyond the 8320A’s smaller cabinet. Set against that: On axis deviation measures 0.324dB average, rougher than several similarly priced monitors in this catalog, and listening window smoothness sits at a moderate 0.38.

Buy the Genelec 8030C. It ranks higher for sound quality than the Genelec 8330A and costs less, so there is no real case for the other one.

Genelec 8030C vs Genelec 8330A

Specifications Side By Side

Genelec 8030C Genelec 8330A
Price$1590$2,250/pair
Ranked#3 of 48 in Medium Size Powered Bookshelf Speakers#5 of 48 in Medium Size Powered Bookshelf Speakers
Bass Extension (-10dB)47Hz (measured, Audio Science Review)44.9Hz (measured, Audio Science Review)
Bass Extension (-3dB)59Hz (measured, Audio Science Review)55.7Hz (measured, Audio Science Review)
Dimensions11.7"H x 7.4"W x 7"D (297.2 x 188 x 177.8 mm)11.8"H x 7.4"W x 7"D (299 x 189 x 178 mm) (11.8 x 7.4 x 7.0 in)
InputsXLR-
Weight11 lbs / 5 kg each11.2 lbs / 5.1 kg (11.2 lbs) each
Drivers5.1" woofer, 0.75" metal dome tweeter0.75" metal dome tweeter, 5.1" cone woofer
AppNo-
BluetoothNo-
EQYes (Bass tilt, treble tilt, room response)-
Frequency Response54Hz - 20kHz (±2.5dB) (Manufacturer specified)45Hz-23kHz -6dB
Max SPL110dB @ 1m104dB
Output Power100W (50W woofer + 50W tweeter)-
Enclosure-ported
Power Output (Watts)-100W total (50W woofer, 50W tweeter, Class D)
Warranty-2 years (5 with product registration)
Country-Finland

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The Two Speakers In Full

Genelec 8030C: $1590 Bhphotovideo

Genelec 8030C ranking card

Pros: CEA2034 spinorama shows a near-flat on-axis response with smooth directivity - “very nice overall.” Predicted in-room response is excellent aside from one minor dip. Reasonably wide horizontal beamwidth of about ±60 degrees that doesn’t narrow even above 10kHz. At 106dB SPL/1m, bass distortion measures much lower than a comparable passive speaker-plus-amplifier combination (Revel M106) tested the same way. Compression is purely instantaneous/amplitude-related rather than thermal, with max SPL before compression reaching 111dB SPL at 200Hz (96dB plus 15dB of headroom). The reviewer found it immediately musical, with reference tracks “translating” beautifully out of the box, and EQ correction of its one measured flaw improved detail with no downsides. Overall conclusion: excellent value, a rare combination of measured accuracy and genuinely engaging sound.

Cons: A minor but measurable dip between 2-3kHz shows up in both on- and off-axis measurements. Vertical directivity varies significantly with frequency, so listening height needs to stay right at the tweeter/ear axis for accurate tonal balance. Distortion at 106dB SPL/1m is elevated in the 500Hz-2kHz range compared to the Revel M106 comparison, even though bass distortion is much better. Compression headroom drops substantially at low frequencies - only about 105dB SPL max at 50Hz (a 0.5dB compression point) versus 111dB SPL at 200Hz, roughly a 6dB difference. As a near-field monitor, it has genuinely limited headroom in the deep bass - the reviewer noted severe distortion on deep-bass-heavy tracks at anything beyond modest listening levels.

AppNo
Bass Extension (-10dB)47Hz (measured, Audio Science Review)
Bass Extension (-3dB)59Hz (measured, Audio Science Review)
BluetoothNo
Dimensions11.7"H x 7.4"W x 7"D (297.2 x 188 x 177.8 mm)
Drivers5.1" woofer, 0.75" metal dome tweeter
EQYes (Bass tilt, treble tilt, room response)
Frequency Response54Hz - 20kHz (±2.5dB) (Manufacturer specified)
InputsXLR
Max SPL110dB @ 1m
Output Power100W (50W woofer + 50W tweeter)
Weight11 lbs / 5 kg each

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Genelec 8330A: $2,250/pair Bhphotovideo

Genelec 8330A ranking card

Pros: Sits between the compact 8320A and the larger 8331A in Genelec’s SAM lineup, with a die cast aluminum Minimum Diffraction Enclosure and Directivity Control Waveguide that deliver a measured 55.7Hz extension point, well beyond the 8320A’s smaller cabinet. The bass alignment is well damped at a measured Q of 0.379, so the low end rolls off cleanly rather than peaking near the tuning frequency.

Cons: On axis deviation measures 0.324dB average, rougher than several similarly priced monitors in this catalog, and listening window smoothness sits at a moderate 0.38. GLM room calibration requires the separate 9320A SAM Reference Controller or GLM Calibration Kit, an extra cost on top of the speaker price. At $1,125 each it costs roughly double the smaller 8320A for a moderate step up in bass extension and output.

Bass Extension (-10dB)44.9Hz (measured, Audio Science Review)
Bass Extension (-3dB)55.7Hz (measured, Audio Science Review)
CountryFinland
Dimensions11.8"H x 7.4"W x 7"D (299 x 189 x 178 mm) (11.8 x 7.4 x 7.0 in)
Drivers0.75" metal dome tweeter, 5.1" cone woofer
Enclosureported
Frequency Response45Hz-23kHz -6dB
Max SPL104dB
Power Output (Watts)100W total (50W woofer, 50W tweeter, Class D)
Warranty2 years (5 with product registration)
Weight11.2 lbs / 5.1 kg (11.2 lbs) each

As an eBay Partner, we may be compensated if you make a purchase.