Short answer: the MoFi SourcePoint 8. It ranks #17 of 203 bookshelf speakers by sound quality, rated 4.5/5, at $2,594; the Sonus Faber Sonetto II G2 ranks #168, rated 3.1/5, and costs $3,500, so there is little reason to consider the other one.
The case for the Sonus Faber Sonetto II G2: Two-way design with a 1.125” damped Apex Dome silk tweeter and 6.5” cone woofer, using a base of concrete, aluminum, and steel with under-cabinet venting. The tradeoff: Sounds notably bright pointed directly on-axis; toeing the speaker out about 30° reduces treble energy and sibilance meaningfully.
The MoFi SourcePoint 8 is the more accurate, deeper-bass pick. 8” twin-drive concentric driver paired with a 1.25” soft dome tweeter, in a diffraction-reducing baffle design; rated 47Hz-30kHz. Its measured preference score, a predictor of how neutral it sounds, is 5.15 against 4.25 for the Sonus Faber Sonetto II G2. Its bass reaches about 52Hz before falling 3dB, against 62Hz for the Sonus Faber Sonetto II G2. The catch: Like other coincident designs, produces diffraction dips around 4kHz and 7kHz when pointed directly on-axis; needs about 10-15° of toe-out to smooth those out.
Buy the MoFi SourcePoint 8. It is rated higher for sound quality than the Sonus Faber Sonetto II G2 and costs less, which makes it the one to get unless you need something the other one does better.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Sonus Faber Sonetto II G2 | MoFi SourcePoint 8 | |
|---|---|---|
| Price | $3500 per pair | $2594 per pair |
| Ranked | #168 of 203 in Large Size Bookshelf Speakers | #17 of 203 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 38Hz (measured, Erin’s Audio Corner) | 43Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 62Hz (measured, Erin’s Audio Corner) | 52Hz (measured, Erin’s Audio Corner) |
| Impedance | 4 ohms nominal (4.2 ohms minimum, measured by Erin’s Audio Corner) | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Sensitivity | 87dB (measured, Erin’s Audio Corner) | 86.3dB (measured, Erin’s Audio Corner) |
| Drivers | 1x 6.5” mid-woofer (paper cone), 1x 1.1” (28mm) DAD soft dome tweeter | 8” woofer, 1.25-inch soft-dome tweeter |
| Weight | 38.4 lbs (17.4 kg) | 28 lbs (12.7 kg) each |
| Dimensions | 16.3”H x 8.9”W x 14”D (414.3 x 227.0 x 355.6 mm) | 18”H x 11.4”W x 13.2”D (457.2 x 289.6 x 335.3 mm) |
| Woofer Cabinet | ported, front | ported, rear |
| Spinorama Preference Score | 4.25 | 5.15 |
| Spinorama Preference Score with Perfect Sub | 6.54 | 7.28 |
| DIY Kit | No | No |
Related Speaker Comparisons
How MoFi SourcePoint 8 compares with other leading options:
- MoFi SourcePoint 8 vs Perlisten S4b
- MoFi SourcePoint 8 vs KEF Reference 1 Meta
- MoFi SourcePoint 8 vs GR-Research NX-Studio
- MoFi SourcePoint 8 vs March Audio Sointuva AWG
- MoFi SourcePoint 8 vs AsciLab C6B
Prices on this page were last checked October 7, 2026 at 9:25 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
Sonus Faber Sonetto II G2: $3500 per pair Crutchfield eBay
Older model: the Sonus Faber Sonetto II (ranked lower, rated 3/5).
Same family: the Sonus Faber Sonetto I G2 (smaller bookshelf, estimated 3/5), the Sonus Faber Sonetto III G2 (smaller floorstanding, estimated 3.2/5), the Sonus Faber Sonetto V G2 (larger floorstanding, estimated 3.3/5) and the Sonus Faber Sonetto Center G2 (center, estimated 3/5).
Pros: Two-way design with a 1.125” damped Apex Dome silk tweeter and 6.5” cone woofer, using a base of concrete, aluminum, and steel with under-cabinet venting. Notably more neutral than Sonus Faber’s own Lumina 2, which runs 2-5dB hotter in the treble. Horizontal directivity narrows at a fairly constant, well-behaved rate rather than narrowing-then-widening-then-narrowing like some rivals (including the Lumina 2), meaning sidewall reflections match the direct sound well enough that the reviewer doesn’t recommend sidewall absorption for this speaker. The tweeter-to-woofer crossover handoff around 3kHz looks clean, suggesting a higher-order crossover than typical for the size/price class. Good dynamic range: the low end loses only about 2dB from 76dB to 96dB, otherwise holding up well. Not a difficult amplifier load (about 4.2 ohms minimum impedance). Bass extension reaches a genuine 50Hz in-room, fuller than the Lumina 2. Measured bass extension of 62Hz (-3dB), with a measured sensitivity of 87dB.
Cons: Sounds notably bright pointed directly on-axis; toeing the speaker out about 30° reduces treble energy and sibilance meaningfully. A resonance around 700Hz gives vocals a slightly nasal, hollow quality. A dip in the upper midrange (roughly 1-2kHz) reduces perceived detail and attack, while the elevated treble can read as “analytical” or “detailed” to some listeners despite being a coloration rather than true resolution. Needs more clearance from the rear wall than some rivals (about 1.5-2 feet in an ideal room, more or less depending on your specific room modes) or the 80-120Hz region can become boomy. Vertical listening window is limited to about ±10-15° from the tweeter axis. Some unexplained directivity irregularities appear around 1.2kHz and 1.6kHz, possibly port-related, along with a longer decay in the 800Hz-1600Hz range in burst-decay measurements. Multitone distortion approaches the reviewer’s 3% threshold through the midrange, though likely not obviously audible without direct A/B comparison. A resonance in the cabinet appears around 400Hz in impedance measurements.
Full Sonus Faber Sonetto II G2 review and specifications →
| Bass Extension (-10dB) | 38Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 62Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 16.3”H x 8.9”W x 14”D (414.3 x 227.0 x 355.6 mm) |
| Drivers | 1x 6.5” mid-woofer (paper cone), 1x 1.1” (28mm) DAD soft dome tweeter |
| Impedance | 4 ohms nominal (4.2 ohms minimum, measured by Erin’s Audio Corner) |
| Sensitivity | 87dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.25 |
| Spinorama Preference Score with Perfect Sub | 6.54 |
| Weight | 38.4 lbs (17.4 kg) |
| Woofer Cabinet | ported, front |
- Links
- Reviews, Comparisons and Sound Samples
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MoFi SourcePoint 8: $2594 per pair Crutchfield eBay
Same family: the MoFi SourcePoint 10 (larger bookshelf, ranked lower, rated 4.4/5) and the MoFi SourcePoint 888 (floorstanding, rated 4.7/5).
Pros: 8” twin-drive concentric driver paired with a 1.25” soft dome tweeter, in a diffraction-reducing baffle design; rated 47Hz-30kHz. Notably more neutral and true-to-source than its sibling SourcePoint 10, which the reviewer found a bit too bright in the treble by comparison: measured about 4-5dB less high-frequency output. Excellent imaging: passed multiple stereo-panning and depth tests, including smooth continuous left-to-right pans without wobble and correct front-to-back layering of vocals versus percussion. Wide horizontal dispersion of about ±60°, broader than the reviewer expected from a coaxial design, and forgiving enough in placement that about 10° of toe-out variance and moving above or below the tweeter axis both still sound good. Excellent dynamic range and compression linearity: about 26dB of headroom up to 102dB/1m equivalent, with issues only appearing below about 60Hz. 8-ohm nominal impedance made it easy to drive on everything from a budget Denon AVR to a high-end Macintosh amplifier. No significant evidence of woofer-cone modulation distortion affecting the tweeter, even at 96dB/1m. Measured bass extension of 52Hz (-3dB), with a measured sensitivity of 86.3dB.
Cons: Like other coincident designs, produces diffraction dips around 4kHz and 7kHz when pointed directly on-axis; needs about 10-15° of toe-out to smooth those out. The rear-ported cabinet (two ports) means it can’t be placed too close to a wall without the bass becoming overblown: the reviewer settled on about 2 feet of clearance. F3 of 52Hz and F10 of 43Hz mean genuine deep bass tops out in the mid-40s Hz in-room: a subwoofer is still needed for true low-end extension. Harmonic distortion crosses the reviewer’s 3% threshold at 96dB (though it’s second-order and less audibly significant), and multitone distortion becomes noticeably more audible at that same output level. Vertical response doesn’t perfectly mirror horizontal, since the cabinet is a rectangle rather than a perfect square around the driver.
Full MoFi SourcePoint 8 review and specifications →
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 18”H x 11.4”W x 13.2”D (457.2 x 289.6 x 335.3 mm) |
| Drivers | 8” woofer, 1.25-inch soft-dome tweeter |
| Impedance | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Sensitivity | 86.3dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.15 |
| Spinorama Preference Score with Perfect Sub | 7.28 |
| Weight | 28 lbs (12.7 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Why Do People Love the MoFi SourcePoint 8? More from Erin’s Audio Corner →
- Erin’s Audio Corner Website MoFi SourcePoint 8
- Erin’s Audio Corner: Upgrade Your Sound with These 6 Surprisingly Affordable Speakers!
- Erin’s Audio Corner: My Personal Favorite Speakers Under $2500
- Erin’s Audio Corner: My Top Picks of 2023: Must-Haves Under $3000
- GR-Research: Danny Tackles Andrews Jones: The Source Point 8! Spoiler Alert (It’s Really Good) More from GR-Research →
- Erin’s Audio Corner Measurements (spinorama.org)
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