Short answer: the MoFi SourcePoint 8. It ranks #17 of 214 bookshelf speakers by sound quality (rated 4.5/5) at $2,594 and is still sold new; the Klipsch RP-600M ranks #185 (rated 2.9/5) and is discontinued, so it is only an option used. The Klipsch RP-600M’s replacement, the Klipsch RP-600M II, is rated 3.7/5.
The MoFi SourcePoint 8 is the more accurate, deeper-bass choice. 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 3.66 for the Klipsch RP-600M. Its bass reaches about 52Hz before falling 3dB, against 73Hz for the Klipsch RP-600M. 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.
Why pick the Klipsch RP-600M: More linear horizontal dispersion than the updated Klipsch RP-600M II: as you move side-to-side, the tonal character changes less, a genuine advantage for off-axis listening consistency. The catch: A strong, annoying resonance in the lower vocal range around 300Hz stands out clearly (though it can be EQ’d out).
Buy the MoFi SourcePoint 8. It is rated higher for sound quality; the Klipsch RP-600M is no longer sold new.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| MoFi SourcePoint 8 | Klipsch RP-600M | |
|---|---|---|
| Price | $2594 per pair | $239.97 per pair Discontinued |
| Ranked | #17 of 214 in Large Size Bookshelf Speakers | #185 of 214 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) | 40Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) | 73Hz (measured, Erin’s Audio Corner) |
| Dimensions | 18”H x 11.4”W x 13.2”D (457.2 x 289.6 x 335.3 mm) | 15.7”H x 8”W x 11.9”D (398.8 x 203.2 x 302.3 mm) |
| Impedance | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) | 8 ohms nominal, 3.5 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 86.3dB (measured, Erin’s Audio Corner) | 85.2dB (measured, Erin’s Audio Corner) |
| Drivers | 8” woofer, 1.25-inch soft-dome tweeter | 6.5” Cerametallic cone woofer, 1” titanium LTS vented tweeter with Tractrix horn |
| Weight | 28 lbs (12.7 kg) each | 16.1 lbs (7.3 kg) each |
| Woofer Cabinet | ported, rear | ported |
| Spinorama Preference Score | 5.15 | 3.66 |
| Spinorama Preference Score with Perfect Sub | 7.28 | 5.61 |
| DIY Kit | No | No |
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The Two Speakers In Full
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 MoFi 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)
- Head-to-Head Comparisons
- MoFi SourcePoint 8 vs Buchardt Audio E50
- MoFi SourcePoint 8 vs KEF R3
- MoFi SourcePoint 8 vs Epos ES14N
- MoFi SourcePoint 8 vs AsciLab F6Bs
- MoFi SourcePoint 8 vs Wharfedale Aura 2
- MoFi SourcePoint 8 vs KEF Q Concerto Meta
- MoFi SourcePoint 8 vs Arendal 1528 Monitor 8
- MoFi SourcePoint 8 vs KEF R3 Meta
- See all 59 comparisons
Klipsch RP-600M: $239.97 per pair Discontinued Amazon eBay
Newer model: the Klipsch RP-600M II, ranked higher, rated 3.7/5.
Same family: the Klipsch RP-500M (smaller bookshelf, rated 3.4/5).
Pros: More linear horizontal dispersion than the updated Klipsch RP-600M II: as you move side-to-side, the tonal character changes less, a genuine advantage for off-axis listening consistency. Takes exceptionally well to EQ correction (miniDSP or similar), letting a knowledgeable owner fix its tonal shortcomings without needing to upgrade. Standard 6.5” woofer/horn-tweeter two-way design with reasonably gradual bass rolloff (F3 ~70Hz, F10 ~40Hz) rather than a steep vented-enclosure cutoff. Measured bass extension of 73Hz (-3dB), with a measured sensitivity of 85.2dB.
Cons: A strong, annoying resonance in the lower vocal range around 300Hz stands out clearly (though it can be EQ’d out). Overall tonal balance is notably less neutral than the newer Klipsch RP-600M II, with a roughly 3-4dB suckout in the estimated in-room response. The waveguide doesn’t extend flush to the baffle edge, increasing diffraction compared to the redesigned version. Klipsch’s marketed sensitivity spec (about 96dB) is a half-space, in-room-style rating roughly 9dB above the true anechoic figure (closer to 85-86dB), which can mislead buyers comparing spec sheets. Elevated treble on-axis, similar to its successor, benefits from toe-out or careful placement. Vertical listening tolerance is limited to about ±10° from the tweeter axis. Still needs a subwoofer for real bass weight; a boost around 120Hz gives kick drums their “tambour” without the underlying “meat.”. Discontinued.
Full Klipsch RP-600M review and specifications →
| Bass Extension (-10dB) | 40Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 73Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 15.7”H x 8”W x 11.9”D (398.8 x 203.2 x 302.3 mm) |
| Drivers | 6.5” Cerametallic cone woofer, 1” titanium LTS vented tweeter with Tractrix horn |
| Impedance | 8 ohms nominal, 3.5 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 85.2dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 3.66 |
| Spinorama Preference Score with Perfect Sub | 5.61 |
| Weight | 16.1 lbs (7.3 kg) each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: The Truth about Klipsch’s “NEW” Sound. RP-600M Update. More from Erin’s Audio Corner →
- Erin’s Audio Corner Website Klipsch RP-600M
- GR-Research: We Bought The "NEW" RP-600M II Is KLIPSCH Listening?! More from GR-Research →
- Audio Science Review Measurements More from Audio Science Review →
- Audio Science Review Measurements (spinorama.org)
- Head-to-Head Comparisons
- Klipsch RP-600M vs Sonus Faber Lumina II Amator
- Klipsch RP-600M vs Wharfedale Diamond 9.1
- Klipsch RP-600M vs Triangle Borea BR03
- Klipsch RP-600M vs KEF Q350
- Klipsch RP-600M vs B&W 805S
- Klipsch RP-600M vs Emotiva Airmotiv B2+
- Klipsch RP-600M vs Sonus Faber Sonetto II G2
- Klipsch RP-600M vs Aperion Audio Verus V8B
- See all 38 comparisons