Short answer: the AsciLab F6Bs. It ranks #20 of 222 bookshelf speakers by sound quality (rated 4.5/5); the Sonus Faber Lumina II ranks #158 (rated 3.4/5).
The AsciLab F6Bs is the more accurate choice. A slim, sealed bookshelf speaker that mounts flat on a wall bracket, with accurate sound and wide, even dispersion for a great price. Its measured preference score, a predictor of how neutral it sounds, is 5.24 against 3.81 for the Sonus Faber Lumina II. The tradeoff: AsciLab’s own site shows the F6Bs sold out, though it remains in stock through resellers like Audiophonics and Tested Audio.
The Sonus Faber Lumina II is the deeper-bass choice. Handmade Italian bookshelf speakers with leather-wrapped cabinets, competitive bass for their size and flexible placement. Its bass reaches about 60Hz before falling 3dB, against 82Hz for the AsciLab F6Bs. Watch for: Not a neutral speaker: has a persistent high-frequency boost/lift that makes it sound forward and bright, present whether pointed directly at the listener or toed out.
Buy the AsciLab F6Bs. It is rated higher for sound quality than the Sonus Faber Lumina II.
Looking for alternatives? See the complete Passive Home rankings.
A slim, sealed bookshelf speaker that mounts flat on a wall bracket, with accurate sound and wide, even dispersion for a great price.
Handmade Italian bookshelf speakers with leather-wrapped cabinets, competitive bass for their size and flexible placement.
Prices on this page were last checked October 31, 2026 at 7:11 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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Specifications Side By Side
| AsciLab F6Bs | Sonus Faber Lumina II | |
|---|---|---|
| Price | €799 per pair | $1,600 per pair |
| Ranked | #20 of 222 in Large Size Bookshelf Speakers | #158 of 222 in Large Size Bookshelf Speakers |
| Enclosure | sealed | - |
| Drivers | 1” aluminum dome tweeter with waveguide and phase plug, 6” fiber cone woofer | 29mm DAD dome tweeter, 150mm paper cone mid-woofer |
| Dimensions | 14.5”H x 8”W x 6.1”D (368 x 203 x 154 mm) | 12” x 7.1” x 10.4” (304 x 180 x 263 mm) |
| Weight | 12.3 lbs (5.6 kg) each | 12.5 lbs (5.65 kg) each |
| Sensitivity | 85.2dB @ 2.83V/1m (measured, Audio Science Review) | 86dB (measured average, Erin’s Audio Corner; matches manufacturer spec) |
| Impedance | 4 ohms nominal, 3.7 ohms minimum | 4 ohms nominal, 4.1 ohms minimum (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 82.0Hz (measured, Audio Science Review) | 60Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 50.1Hz (measured, Audio Science Review) | 41Hz (measured, Erin’s Audio Corner) |
| Crossover Frequency | 1kHz | 1800Hz |
| Mounting | VESA 100 wall mount compatible | - |
| Warranty | 2 years | - |
| Country | South Korea | - |
| Maximum SPL | 100dB full bandwidth, 102dB above 100Hz (manufacturer specified) | - |
| Spinorama Preference Score | 5.24 | 3.81 |
| Spinorama Preference Score with Perfect Sub | 7.90 | 6.10 |
| DIY Kit | No | No |
| Frequency Response | - | 55Hz - 24kHz (manufacturer specified) |
| Recommended Power | - | 30W - 150W |
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