Short answer: the Genelec 8320A for cleaner bass rolloff, the 8020D for flatter response. The 8320A’s waveguide and Minimum Diffraction Enclosure earn a listening window smoothness score of 0.53 and a low frequency alignment Q of 0.227, the cleanest bass rolloff in this batch, though its 0.169dB average on-axis deviation is not class leading. The 8020D stays flat from about 60Hz to 10kHz, but its sound power rolls off starting around 500Hz-1kHz.
What the Genelec 8320A offers: The Directivity Control Waveguide and die cast aluminum Minimum Diffraction Enclosure produce a listening window smoothness score of 0.53 and a low frequency alignment Q of just 0.227, the cleanest, least resonant bass rolloff of any speaker in this whole batch. Set against that: On axis deviation measures 0.169dB average, decent but not class leading next to the AsciLab and Audio Smile entries in this batch.
Buy the Genelec 8320A. It is rated higher for sound quality, and saving $310 with the Genelec 8020D does not make up for the sound-quality gap.
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Specifications Side By Side
| Genelec 8020D | Genelec 8320A | |
|---|---|---|
| Price | $1,390 per pair | $1,700 per pair |
| Ranked | #11 of 68 in Medium Size Powered Bookshelf Speakers | #8 of 68 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 9.5”H x 5.8”W x 5.6”D (241.3 x 147.3 x 142.2 mm) | 9.5”H x 5.9”W x 5.6”D (242 x 151 x 142 mm) |
| Frequency Response | 56 Hz - 25 kHz (-6 dB) (Manufacturer specified) | 55Hz-23kHz -6dB |
| Inputs | XLR | XLR |
| Weight | 7.1 lbs (3.2 kg) each | 7.1 lbs (3.2 kg) each |
| Drivers | 4.1” woofer, 0.75” metal dome tweeter | 0.75” metal dome tweeter, 4.1” cone woofer |
| App | No | - |
| Bass Extension (-10dB) | 50Hz (measured, Audio Science Review) | 53.2Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 56Hz (measured, Audio Science Review) | 67.4Hz (measured, Audio Science Review) |
| Bluetooth | No | No |
| EQ | Yes (Bass tilt, desk proximity) | - |
| Amplifier Power | 100W (50W woofer + 50W tweeter) | 100W total (50W woofer, 50W tweeter, Class D) |
| Maximum SPL | 103dB @ 1m (manufacturer specified) | Peak 107dB (manufacturer specified) |
| XLR Input | Yes | Yes |
| RCA Input | No | No |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Enclosure | - | ported |
| Warranty | - | 2 years (5 with product registration) |
| Country | - | Finland |
| Spinorama Preference Score | - | 5.52 |
| Spinorama Preference Score with Perfect Sub | - | 8.04 |
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Prices on this page were last checked October 3, 2026 at 10:26 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
Genelec 8020D: $1,390 per pair B&H Photo Video eBay
Pros: A compact waveguided monitor with balanced XLR input and placement filters, well suited to a small studio desk. Klippel measurements show a flat, well-behaved on-axis response from about 60Hz to 10kHz, with listening-window and early-reflection curves tracking closely, a sign of well-controlled directivity. Measured bass extension of 56Hz (-3dB).
Cons: Small size limits deep-bass reach and headroom. It lacks the GLM calibration of the SAM models, and the price is substantial for a compact analog-input monitor. Sound power starts rolling off around 500Hz to 1kHz as the small drivers begin to beam.
Full Genelec 8020D review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 100W (50W woofer + 50W tweeter) |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 50Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 56Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 9.5”H x 5.8”W x 5.6”D (241.3 x 147.3 x 142.2 mm) |
| Drivers | 4.1” woofer, 0.75” metal dome tweeter |
| EQ | Yes (Bass tilt, desk proximity) |
| Frequency Response | 56 Hz - 25 kHz (-6 dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR |
| Maximum SPL | 103dB @ 1m (manufacturer specified) |
| Optical Input | No |
| RCA Input | No |
| TRS Input | No |
| USB Input | No |
| Weight | 7.1 lbs (3.2 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review Measurements More from Audio Science Review →
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Genelec 8320A: $1,700 per pair B&H Photo Video eBay
Pros: A measured 1.6dB span from 300Hz to 5kHz and preference scores of 5.52 standalone and 8.04 with an ideal subwoofer support accurate close-range monitoring. The waveguide helps control the balance between direct and reflected sound. GLM room calibration is useful for matching levels and placement in a compact setup. Measured bass extension of 67.4Hz (-3dB).
Cons: The -3dB point is about 67Hz, making a subwoofer important for lower bass and giving the larger 8330A a practical advantage without one. Calibration hardware is sold separately. The small woofer limits its intended listening distance and bass output; a favorable response-fit parameter is not evidence that it has uniquely well-damped bass or unusually high headroom.
Full Genelec 8320A review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 100W total (50W woofer, 50W tweeter, Class D) |
| Aux Input | No |
| Bass Extension (-10dB) | 53.2Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 67.4Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| Country | Finland |
| Dimensions | 9.5”H x 5.9”W x 5.6”D (242 x 151 x 142 mm) |
| Drivers | 0.75” metal dome tweeter, 4.1” cone woofer |
| Enclosure | ported |
| Frequency Response | 55Hz-23kHz -6dB |
| HDMI Input | No |
| Inputs | XLR |
| Maximum SPL | Peak 107dB (manufacturer specified) |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 5.52 |
| Spinorama Preference Score with Perfect Sub | 8.04 |
| TRS Input | No |
| USB Input | No |
| Warranty | 2 years (5 with product registration) |
| Weight | 7.1 lbs (3.2 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons