Short answer: the Genelec 8320A for better sound quality, the Vanatoo Transparent Zero Plus for the lower price. The Genelec 8320A ranks #9 of 60 powered bookshelf speakers at $850. The Vanatoo Transparent Zero Plus ranks #14 at $499.99, $350.01 cheaper.
What the Vanatoo Transparent Zero Plus offers: Genuinely neutral tonal balance in a small desktop-class powered speaker - a rarity in this size and price range, where the reviewer says most competitors have a scooped mid-range, one-note bass, and piercing V-shaped highs. Flexible mounting: flip the cabinet orientation to angle the tweeter up for flat-desktop placement or level for stand-mount ear height. Subwoofer output with auto-sense, so it engages automatically when a sub is connected. Wide input selection - Bluetooth aptX HD, USB (24-bit/96kHz), Toslink, and 3.5mm analog. Distortion stays reasonable (below 3%) up to about 88dB, and multitone distortion at max output (96dB) is the only real weak point. Watch for: An 8th-order Butterworth high-pass at 58Hz sharply limits bass below that point - F3 measures 92Hz and F10 53Hz, so kick drum fundamentals and true low end need a subwoofer. Very sensitive to ear height relative to the tweeter: sitting even slightly above the tweeter axis scoops out the 2-4kHz upper mid-range. Multitone distortion at maximum output (96dB) is high enough to add noticeable vocal graininess - stick closer to 88dB for clean output. The reviewer’s only real gripe is wishing it extended lower, which he acknowledges is an unreasonable ask for a speaker this size.
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. It network calibrates through Genelec’s GLM software for automatic room correction, and Intelligent Signal Sensing drops standby power to under 0.5W. Watch for: On axis deviation measures 0.169dB average, decent but not class leading next to the AsciLab and Audio Smile entries in this batch. The compact 4.1 inch woofer limits low frequency extension to a measured 67.4Hz at -3dB, so a subwoofer is needed for full range use. The GLM calibration kit that unlocks its room correction features is sold separately from the speaker price, and max SPL tops out around 100dB, modest next to Genelec’s larger 8000 series monitors.
Buy the Vanatoo Transparent Zero Plus if the price matters more than sound quality. Buy the Genelec 8320A if sound quality matters more than the price.
Specifications Side By Side
| Vanatoo Transparent Zero Plus | Genelec 8320A | |
|---|---|---|
| Price | $499.99 | $850 each |
| Ranked | #14 of 60 in Medium Size Powered Bookshelf Speakers | #9 of 60 in Medium Size Powered Bookshelf Speakers |
| Drivers | 4" aluminum cone woofer, 4" long-throw passive radiator, 1" soft dome tweeter | 0.75" metal dome tweeter, 4.1" cone woofer |
| Output Power | 120W total (Class D) | - |
| Inputs | Bluetooth (aptX HD), USB (24-bit/96kHz), Toslink Optical (24-bit/96kHz), 3.5mm Analog | - |
| Dimensions | 8.5"H x 5.5"W x 6"D | 9.5"H x 5.9"W x 5.6"D (242 x 151 x 142 mm) (9.5 x 5.9 x 5.6 in) |
| Weight | 7 lbs each | 7.1 lbs / 3.2 kg (7.1 lbs) each |
| Bass Extension (-3dB) | 92Hz (measured, Erin’s Audio Corner) | 67.4Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 53Hz (measured, Erin’s Audio Corner) | 53.2Hz (measured, Audio Science Review) |
| Sensitivity | 88.5dB (measured at 0.3V/1m, Erin’s Audio Corner) | - |
| DSP | Yes (8th-order Butterworth high-pass at 58Hz) | - |
| Enclosure | - | ported |
| Power Output (Watts) | - | 100W total (50W woofer, 50W tweeter, Class D) |
| Frequency Response | - | 55Hz-23kHz -6dB |
| Max SPL | - | Peak 107dB |
| Warranty | - | 2 years (5 with product registration) |
| Country | - | Finland |
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Prices on this page were last checked August 24, 2026 at 6:53 AM 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
Vanatoo Transparent Zero Plus: $499.99 Amazon eBay
Pros: Genuinely neutral tonal balance in a small desktop-class powered speaker - a rarity in this size and price range, where the reviewer says most competitors have a scooped mid-range, one-note bass, and piercing V-shaped highs. Flexible mounting: flip the cabinet orientation to angle the tweeter up for flat-desktop placement or level for stand-mount ear height. Subwoofer output with auto-sense, so it engages automatically when a sub is connected. Wide input selection - Bluetooth aptX HD, USB (24-bit/96kHz), Toslink, and 3.5mm analog. Distortion stays reasonable (below 3%) up to about 88dB, and multitone distortion at max output (96dB) is the only real weak point.
Cons: An 8th-order Butterworth high-pass at 58Hz sharply limits bass below that point - F3 measures 92Hz and F10 53Hz, so kick drum fundamentals and true low end need a subwoofer. Very sensitive to ear height relative to the tweeter: sitting even slightly above the tweeter axis scoops out the 2-4kHz upper mid-range. Multitone distortion at maximum output (96dB) is high enough to add noticeable vocal graininess - stick closer to 88dB for clean output. The reviewer’s only real gripe is wishing it extended lower, which he acknowledges is an unreasonable ask for a speaker this size.
Full Vanatoo Transparent Zero Plus review and specifications →
| Bass Extension (-10dB) | 53Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 92Hz (measured, Erin's Audio Corner) |
| DSP | Yes (8th-order Butterworth high-pass at 58Hz) |
| Dimensions | 8.5"H x 5.5"W x 6"D |
| Drivers | 4" aluminum cone woofer, 4" long-throw passive radiator, 1" soft dome tweeter |
| Inputs | Bluetooth (aptX HD), USB (24-bit/96kHz), Toslink Optical (24-bit/96kHz), 3.5mm Analog |
| Output Power | 120W total (Class D) |
| Sensitivity | 88.5dB (measured at 0.3V/1m, Erin's Audio Corner) |
| Weight | 7 lbs each |
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Genelec 8320A: $850 each Bhphotovideo eBay
Pros: 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. It network calibrates through Genelec’s GLM software for automatic room correction, and Intelligent Signal Sensing drops standby power to under 0.5W.
Cons: On axis deviation measures 0.169dB average, decent but not class leading next to the AsciLab and Audio Smile entries in this batch. The compact 4.1 inch woofer limits low frequency extension to a measured 67.4Hz at -3dB, so a subwoofer is needed for full range use. The GLM calibration kit that unlocks its room correction features is sold separately from the speaker price, and max SPL tops out around 100dB, modest next to Genelec’s larger 8000 series monitors.
Full Genelec 8320A review and specifications →
| Bass Extension (-10dB) | 53.2Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 67.4Hz (measured, Audio Science Review) |
| Country | Finland |
| Dimensions | 9.5"H x 5.9"W x 5.6"D (242 x 151 x 142 mm) (9.5 x 5.9 x 5.6 in) |
| Drivers | 0.75" metal dome tweeter, 4.1" cone woofer |
| Enclosure | ported |
| Frequency Response | 55Hz-23kHz -6dB |
| Max SPL | Peak 107dB |
| Power Output (Watts) | 100W total (50W woofer, 50W tweeter, Class D) |
| Warranty | 2 years (5 with product registration) |
| Weight | 7.1 lbs / 3.2 kg (7.1 lbs) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons