Short answer: the KEF R3 Meta for better sound quality, the MoFi SourcePoint 8 for the lower price. The KEF R3 Meta ranks #10 of 84 bookshelf speakers at $2499.99. The MoFi SourcePoint 8 ranks #17 at $2200, $299.99 cheaper.
What the KEF R3 Meta offers: Three-way design with an unconventional concentric layout: the 1” tweeter is recessed into the throat of the 5.25” midrange driver, deeper integration than a standard coaxial arrangement. Watch for: Pointed straight on-axis, there’s a 1-2dB bump around 9kHz that stays consistent across angles thanks to the constant-directivity waveguide - only toeing the speaker out about 10° tames it.
What the MoFi SourcePoint 8 offers: 8” twin-drive concentric driver paired with a 1.25” soft dome tweeter, in a diffraction-reducing baffle design; rated 47Hz-30kHz. Watch for: 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 KEF R3 Meta if sound quality matters more than the price. Buy the MoFi SourcePoint 8 if the price matters more than sound quality.
Specifications Side By Side
| KEF R3 Meta | MoFi SourcePoint 8 | |
|---|---|---|
| Price | $2,499.99 | $2200 |
| Ranked | #10 of 84 in Large Size Bookshelf Speakers | #17 of 84 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 37Hz (measured, Erin’s Audio Corner) | 43Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 76Hz (measured, Erin’s Audio Corner) | 52Hz (measured, Erin’s Audio Corner) |
| Dimensions | 16.6"H x 7.9"W x 13.2"D (421.6 x 200.7 x 335.3 mm) | 18"H x 11.4"W x 13.2"D (457.2 x 289.6 x 335.3 mm) |
| Impedance | 4 ohms nominal (3.2 ohms minimum above 80Hz, measured, Erin’s Audio Corner) | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Drivers | 6.5" Hybrid aluminum ported woofer, 5" aluminum cone midrange, 1" vented aluminium dome with MAT tweeter | 8" woofer, 1.25-inch soft-dome tweeter |
| Sensitivity | 85.9dB (measured, Erin’s Audio Corner; 87dB manufacturer specified) | 86.3dB (measured, Erin’s Audio Corner) |
| Weight | 27.3 lbs / 12.4 kg each | 28 lbs / 12.7 kg each |
| Woofer Cabinet | ported | ported, rear |
Related Speaker Comparisons
More useful head-to-heads from the same speaker class:
- KEF Q Concerto Meta vs MoFi SourcePoint 10
- KEF Q Concerto Meta vs Dynaudio Special Forty
- KEF Q Concerto Meta vs Wharfedale Aura 2
- KEF R3 Meta vs KEF R3
- KEF R3 Meta vs Philharmonic BMR (v1)
The Two Speakers In Full
KEF R3 Meta: $2,499.99 Amazon Crutchfield
Pros: Three-way design with an unconventional concentric layout: the 1” tweeter is recessed into the throat of the 5.25” midrange driver, deeper integration than a standard coaxial arrangement. A quasi sealed/ported bass alignment gives an extended low-end shelf tuned to match typical in-room gain, reaching about 50Hz for most content - deeper than recently-tested rivals like the Focal Aria 906, Polk R200, and an 8” Aperion design. Spinorama measurements show class-leading directivity and sound power, plus very linear on-axis response (at the recommended 10° toe-out) and early-reflections directivity, so it takes EQ exceptionally well. The vertical sweet spot extends to about ±20-30° off the reference axis with nearly identical tonality, unusually wide for a two- or three-way design. A clear upgrade over the earlier, non-Meta R3, eliminating the treble brightness the original had even when toed off-axis. Outperforms similarly-priced rivals (Revel M106, Wharfedale Linton, Philharmonic BMR V2, JBL HDI 1600) specifically on directivity and linearity in the reviewer’s measurements. At $2,200/pair, called the best value in its class with near-reference-level anechoic performance.
Cons: Pointed straight on-axis, there’s a 1-2dB bump around 9kHz that stays consistent across angles thanks to the constant-directivity waveguide - only toeing the speaker out about 10° tames it. Minimum impedance dips to about 3.2 ohms nominal (EPDR as low as 1.9 ohms), so it needs a 4-ohm-stable amplifier; a standard AVR likely won’t cut it. Distortion crosses the reviewer’s 3% threshold around 80Hz at 96dB output and shows added deviation again near 50Hz, indicating it runs out of headroom at higher volumes - a subwoofer is recommended for loud listening. Horizontal radiation narrows from about ±70° at low frequency to ±40° at high frequency. Below about 100Hz, compression testing shows fairly wide deviations at both 86dB and 96dB output, though the reviewer notes this is typical for speakers in this size and price class. Current R3 owners who are already happy with that speaker have little reason to upgrade.
Full KEF R3 Meta review and specifications →
| Bass Extension (-10dB) | 37Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 76Hz (measured, Erin's Audio Corner) |
| Dimensions | 16.6"H x 7.9"W x 13.2"D (421.6 x 200.7 x 335.3 mm) |
| Drivers | 6.5" Hybrid aluminum ported woofer, 5" aluminum cone midrange, 1" vented aluminium dome with MAT tweeter |
| Impedance | 4 ohms nominal (3.2 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 85.9dB (measured, Erin's Audio Corner; 87dB manufacturer specified) |
| Weight | 27.3 lbs / 12.4 kg each |
| Woofer Cabinet | ported |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: KEF R3 Meta: The Speaker to Beat.
- Erin’s Audio Corner Website KEF R3 Meta Review
- 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: Finally… a Speaker Danny Doesn’t Have to Fix?
- New Record Day: The Gold Standard Of “Pretty Good” KEF R3 Meta Review
- Reddit Search for KEF R3 Meta Review
- Head-to-Head Comparisons
MoFi SourcePoint 8: $2200 Crutchfield
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.
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) |
| 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) |
| Weight | 28 lbs / 12.7 kg each |
| Woofer Cabinet | ported, rear |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Why Do People Love the MoFi SourcePoint 8?
- 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)
- Reddit Search for MoFi SourcePoint 8 Review
- Head-to-Head Comparisons
- MoFi SourcePoint 8 vs Wharfedale Super Linton
- MoFi SourcePoint 8 vs KEF R3
- MoFi SourcePoint 8 vs GR-Research NX-Bravo
- MoFi SourcePoint 8 vs MoFi SourcePoint 10
- MoFi SourcePoint 8 vs Wharfedale Aura 2
- MoFi SourcePoint 8 vs Radiant Acoustics Clarity 6.2
- MoFi SourcePoint 8 vs KEF Q Concerto Meta
- MoFi SourcePoint 8 vs Wharfedale Linton 85
- See all 16 comparisons