Short answer: the Perlisten S4b if sound quality matters most, the Sonus Faber Lumina II if price matters most. The Perlisten S4b ranks #2 of 130 bookshelf speakers at $8000. The Sonus Faber Lumina II ranks #91 at $1600, $6400 cheaper.
What the Sonus Faber Lumina II offers: Handmade in Italy with a gloss-finished front baffle and black leather-wrapped cabinet - genuinely nice-looking speaker with real brand cachet. Bass extension is competitive for the size, reaching about 50 Hz in-room with mild compression and good distortion figures, so higher output levels and greater listening distances aren’t a problem down to that point. About 20 dB of dynamic range at typical listening levels (73 dB at 4m), which comfortably covers most music without the tonal balance shifting as instruments and vocals peak. Off-axis behavior is consistent - toeing the speakers 20-30 degrees out doesn’t meaningfully change the in-room high-frequency character, so placement flexibility is good once you’ve dialed in the tonal balance. 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. A slightly nasal quality traced to a resonance around 1 kHz that EQ can address. The reviewer needed to trim treble by about 4 dB on his preamp to get the tonal balance he wanted, meaning most listeners will want equalization available to fully enjoy this speaker. At roughly the same $1,000ish price point, alternatives like the Ascend Acoustics Sierra 1 V2 measure more linear (with a tradeoff in distortion and crossover-region directivity), and the Dynaudio Emit 20 offers deeper bass extension and lower compression at the cost of a more deliberately colored tonal signature.
What the Perlisten S4b offers: Reference-grade directivity and output from a compact sealed monitor. Erin called its radiation behavior the smoothest he had measured: Perlisten’s DPC array (beryllium tweeter between two midrange domes) shapes vertical output while transitioning cleanly to the 7-inch woofer. Harmonic distortion remains below 1% at 86dB and, above 100Hz, also below 1% at 96dB; compression is exceptionally low. The response is highly linear, the midrange was a listening highlight, and the sealed F10 of 40Hz provides a predictable slope for subwoofer integration. Watch for: Erin measured only 84.5dB sensitivity and an impedance minimum just under 4 ohms, a difficult efficiency/load combination that deserves substantial clean amplification. Its 78Hz F3 means a subwoofer is effectively mandatory for full-range listening despite the 40Hz F10. A roughly +3dB feature around 10kHz appears on-axis, though Erin did not find it objectionable. Price is extreme for a stand-mount and the tightly managed vertical radiation makes correct stand height important.
Buy the Sonus Faber Lumina II if the price is the priority over sound quality, or the Perlisten S4b if sound quality is the priority over the price.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Sonus Faber Lumina II | Perlisten S4b | |
|---|---|---|
| Price | $1,600 per pair | $8,000 per pair |
| Ranked | #91 of 130 in Large Size Bookshelf Speakers | #2 of 130 in Large Size Bookshelf Speakers |
| Drivers | 29mm DAD dome tweeter, 150mm paper cone mid-woofer | DPC array with 28mm beryllium tweeter and dual 28mm midrange domes; 7" woofer |
| Crossover Frequency | 1800Hz | - |
| Dimensions | 12" x 7.1" x 10.4" (304 x 180 x 263 mm) | 16.5"H x 9.4"W x 7.3"D |
| Weight | 12.5 lbs (5.65 kg) each | 24.3 lbs (11 kg) each |
| Impedance | 4 ohms nominal, 4.1 ohms minimum (measured, Erin's Audio Corner) | Just under 4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 86dB (measured average, Erin's Audio Corner; matches manufacturer spec) | 84.5dB/2.83V/1m (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 60Hz (measured, Erin's Audio Corner) | 78Hz (measured, Erin's Audio Corner) |
| Bass Extension (-10dB) | 41Hz (measured, Erin's Audio Corner) | 40Hz (measured, Erin's Audio Corner) |
| Frequency Response | 55Hz - 24kHz (manufacturer specified) | - |
| Recommended Power | 30W - 150W | - |
| Spinorama Preference Score | 3.04 | 4.58 |
| Spinorama Preference Score with Perfect Sub | 5.32 | 7.24 |
| Woofer Cabinet | - | sealed |
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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
Sonus Faber Lumina II: $1,600 per pair Crutchfield eBay
Pros: Handmade in Italy with a gloss-finished front baffle and black leather-wrapped cabinet - genuinely nice-looking speaker with real brand cachet. Bass extension is competitive for the size, reaching about 50 Hz in-room with mild compression and good distortion figures, so higher output levels and greater listening distances aren’t a problem down to that point. About 20 dB of dynamic range at typical listening levels (73 dB at 4m), which comfortably covers most music without the tonal balance shifting as instruments and vocals peak. Off-axis behavior is consistent - toeing the speakers 20-30 degrees out doesn’t meaningfully change the in-room high-frequency character, so placement flexibility is good once you’ve dialed in the tonal balance. Measured bass extension of 60Hz (-3dB), with a measured sensitivity of 86dB.
Cons: 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. A slightly nasal quality traced to a resonance around 1 kHz that EQ can address. The reviewer needed to trim treble by about 4 dB on his preamp to get the tonal balance he wanted, meaning most listeners will want equalization available to fully enjoy this speaker. At roughly the same $1,000ish price point, alternatives like the Ascend Acoustics Sierra 1 V2 measure more linear (with a tradeoff in distortion and crossover-region directivity), and the Dynaudio Emit 20 offers deeper bass extension and lower compression at the cost of a more deliberately colored tonal signature.
Full Sonus Faber Lumina II review and specifications →
| Bass Extension (-10dB) | 41Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 60Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 1800Hz |
| Dimensions | 12" x 7.1" x 10.4" (304 x 180 x 263 mm) |
| Drivers | 29mm DAD dome tweeter, 150mm paper cone mid-woofer |
| Frequency Response | 55Hz - 24kHz (manufacturer specified) |
| Impedance | 4 ohms nominal, 4.1 ohms minimum (measured, Erin's Audio Corner) |
| Recommended Power | 30W - 150W |
| Sensitivity | 86dB (measured average, Erin's Audio Corner; matches manufacturer spec) |
| Spinorama Preference Score | 3.04 |
| Spinorama Preference Score with Perfect Sub | 5.32 |
| Weight | 12.5 lbs (5.65 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
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Perlisten S4b: $8,000 per pair Perlisten Dealer Locator eBay
Pros: Reference-grade directivity and output from a compact sealed monitor. Erin called its radiation behavior the smoothest he had measured: Perlisten’s DPC array (beryllium tweeter between two midrange domes) shapes vertical output while transitioning cleanly to the 7-inch woofer. Harmonic distortion remains below 1% at 86dB and, above 100Hz, also below 1% at 96dB; compression is exceptionally low. The response is highly linear, the midrange was a listening highlight, and the sealed F10 of 40Hz provides a predictable slope for subwoofer integration. Measured bass extension of 78Hz (-3dB), with a measured sensitivity of 84.5dB.
Cons: Erin measured only 84.5dB sensitivity and an impedance minimum just under 4 ohms, a difficult efficiency/load combination that deserves substantial clean amplification. Its 78Hz F3 means a subwoofer is effectively mandatory for full-range listening despite the 40Hz F10. A roughly +3dB feature around 10kHz appears on-axis, though Erin did not find it objectionable. Price is extreme for a stand-mount and the tightly managed vertical radiation makes correct stand height important.
Full Perlisten S4b review and specifications →
| Bass Extension (-10dB) | 40Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 78Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.5"H x 9.4"W x 7.3"D |
| Drivers | DPC array with 28mm beryllium tweeter and dual 28mm midrange domes; 7" woofer |
| Impedance | Just under 4 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 84.5dB/2.83V/1m (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 4.58 |
| Spinorama Preference Score with Perfect Sub | 7.24 |
| Weight | 24.3 lbs (11 kg) each |
| Woofer Cabinet | sealed |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons