Short answer: the Genelec 8330A. It ranks #7 of 65 powered bookshelf speakers by sound quality at $1125; the KEF LS50 Wireless II ranks #14 and costs $2999, so there is not much of a tradeoff to weigh.
What the KEF LS50 Wireless II offers: Erin’s measurements give preference scores of 4.52 standalone and 6.59 with an ideal subwoofer, with a -3dB point around 51Hz. The coincident Uni-Q layout helps preserve tonal consistency across horizontal and vertical listening positions. Low listening-window narrow-band deviation of 0.308 supports relatively clean midrange reproduction. HDMI eARC and streaming functions make it a capable all-in-one stereo system. Watch for: The 3.0dB response span is good but not reference-leading, and dispersion still varies with frequency. Compact bass drivers limit deep-bass output. App placement adjustments are not the same as microphone-based automatic room correction. The price and primary/secondary architecture are practical trade-offs; neither driver geometry nor a single directivity statistic guarantees the best sound in every room.
What the Genelec 8330A offers: ASR’s measurements give a 2.3dB midrange response span and a -3dB point around 56Hz. Scores of 4.78 standalone and 7.03 with an ideal subwoofer indicate solid tonal accuracy, while deeper bass than the 8320A helps without a sub. GLM calibration, the waveguide and rounded aluminum enclosure make it a practical compact studio system. Watch for: The listening-window response has more local variation than the 8030C or KH80 in the selected measurements, so DSP capability should not be mistaken for superior native neutrality. GLM calibration hardware costs extra. Small-driver bass headroom remains finite, and neither the modeled ideal-subwoofer score nor the fitted bass Q establishes maximum output or freedom from resonances.
Buy the Genelec 8330A. It ranks higher for sound quality than the KEF LS50 Wireless II and costs less, which settles it without a real tradeoff to make.
Looking for alternatives? See the complete Powered Home rankings.
Specifications Side By Side
| KEF LS50 Wireless II | Genelec 8330A | |
|---|---|---|
| Price | $2,999.00 per pair | $2,250 per pair |
| Ranked | #14 of 65 in Medium Size Powered Bookshelf Speakers | #7 of 65 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-10dB) | 41.5Hz (measured, spinorama.org) | 44.9Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 51.3Hz (measured, spinorama.org) | 55.7Hz (measured, Audio Science Review) |
| Inputs | HDMI eARC, optical, digital coaxial, 3.5mm analog, USB-A (service), Ethernet | - |
| Drivers | Uni-Q coincident array: 130mm aluminum woofer + 25mm MAT aluminum dome tweeter | 0.75" metal dome tweeter, 5.1" cone woofer |
| App | KEF Connect (placement EQ presets, source selection, firmware updates) | - |
| Bluetooth | Yes, 4.2 | - |
| EQ | Yes, fixed placement presets (desk/bookshelf/wall-mount) - no automatic room correction | - |
| Weight | 44.3 lbs (20.1 kg) for the pair | 11.2 lbs (5.1 kg) each |
| Amplifier Power | 280W (LF) + 100W (HF) per speaker, bi-amped | 100W total (50W woofer, 50W tweeter, Class D) |
| Dimensions | 12" x 7.9" x 12.2" (305 x 200 x 311 mm) each | 11.8"H x 7.4"W x 7"D (299 x 189 x 178 mm) |
| Frequency Response | 45Hz - 28kHz ±3dB | 45Hz-23kHz -6dB |
| Maximum SPL | 108dB at 1m (manufacturer specified) | 104dB (manufacturer specified) |
| Spinorama Preference Score | 4.52 | 4.78 |
| Spinorama Preference Score with Perfect Sub | 6.59 | 7.03 |
| Subwoofer Output | Yes | - |
| Outputs | RCA subwoofer | - |
| Enclosure | - | ported |
| Warranty | - | 2 years (5 with product registration) |
| Country | - | Finland |
Related Speaker Comparisons
More worthwhile head-to-heads for Genelec 8330A:
- Genelec 8331A vs Genelec 8330A
- Neumann KH120 MKII vs Genelec 8330A
- Genelec 8030C vs Genelec 8330A
- Genelec 8330A vs Neumann KH80 DSP
- Dynaudio LYD 5 vs Genelec 8330A
Prices on this page were last checked September 16, 2026 at 12:41 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
KEF LS50 Wireless II: $2,999.00 per pair Amazon KEF Crutchfield eBay
Pros: Erin’s measurements give preference scores of 4.52 standalone and 6.59 with an ideal subwoofer, with a -3dB point around 51Hz. The coincident Uni-Q layout helps preserve tonal consistency across horizontal and vertical listening positions. Low listening-window narrow-band deviation of 0.308 supports relatively clean midrange reproduction. HDMI eARC and streaming functions make it a capable all-in-one stereo system. Measured bass extension of 51.3Hz (-3dB).
Cons: The 3.0dB response span is good but not reference-leading, and dispersion still varies with frequency. Compact bass drivers limit deep-bass output. App placement adjustments are not the same as microphone-based automatic room correction. The price and primary/secondary architecture are practical trade-offs; neither driver geometry nor a single directivity statistic guarantees the best sound in every room.
Full KEF LS50 Wireless II review and specifications →
| Amplifier Power | 280W (LF) + 100W (HF) per speaker, bi-amped |
|---|---|
| App | KEF Connect (placement EQ presets, source selection, firmware updates) |
| Bass Extension (-10dB) | 41.5Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | 51.3Hz (measured, spinorama.org) |
| Bluetooth | Yes, 4.2 |
| Dimensions | 12" x 7.9" x 12.2" (305 x 200 x 311 mm) each |
| Drivers | Uni-Q coincident array: 130mm aluminum woofer + 25mm MAT aluminum dome tweeter |
| EQ | Yes, fixed placement presets (desk/bookshelf/wall-mount) - no automatic room correction |
| Frequency Response | 45Hz - 28kHz ±3dB |
| Inputs | HDMI eARC, optical, digital coaxial, 3.5mm analog, USB-A (service), Ethernet |
| Maximum SPL | 108dB at 1m (manufacturer specified) |
| Outputs | RCA subwoofer |
| Spinorama Preference Score | 4.52 |
| Spinorama Preference Score with Perfect Sub | 6.59 |
| Subwoofer Output | Yes |
| Weight | 44.3 lbs (20.1 kg) for the pair |
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Genelec 8330A: $2,250 per pair B&H Photo Video eBay
Pros: ASR’s measurements give a 2.3dB midrange response span and a -3dB point around 56Hz. Scores of 4.78 standalone and 7.03 with an ideal subwoofer indicate solid tonal accuracy, while deeper bass than the 8320A helps without a sub. GLM calibration, the waveguide and rounded aluminum enclosure make it a practical compact studio system. Measured bass extension of 55.7Hz (-3dB).
Cons: The listening-window response has more local variation than the 8030C or KH80 in the selected measurements, so DSP capability should not be mistaken for superior native neutrality. GLM calibration hardware costs extra. Small-driver bass headroom remains finite, and neither the modeled ideal-subwoofer score nor the fitted bass Q establishes maximum output or freedom from resonances.
Full Genelec 8330A review and specifications →
| Amplifier Power | 100W total (50W woofer, 50W tweeter, Class D) |
|---|---|
| Bass Extension (-10dB) | 44.9Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 55.7Hz (measured, Audio Science Review) |
| Country | Finland |
| Dimensions | 11.8"H x 7.4"W x 7"D (299 x 189 x 178 mm) |
| Drivers | 0.75" metal dome tweeter, 5.1" cone woofer |
| Enclosure | ported |
| Frequency Response | 45Hz-23kHz -6dB |
| Maximum SPL | 104dB (manufacturer specified) |
| Spinorama Preference Score | 4.78 |
| Spinorama Preference Score with Perfect Sub | 7.03 |
| Warranty | 2 years (5 with product registration) |
| Weight | 11.2 lbs (5.1 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons