Short answer: the MoFi SourcePoint 8 for better sound quality, the Polk R200 for the lower price. The MoFi SourcePoint 8 ranks #17 of 84 bookshelf speakers at $2200. The Polk R200 ranks #64 at $799, $1401 cheaper.
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.
What the Polk R200 offers: Two-way design with a 6.5” midwoofer and 1” ring radiator tweeter, giving reasonably tight, well-defined imaging. Watch for: A resonance and associated distortion increase around 800Hz-1kHz creates a “tinny,” occasionally glaring quality on certain instruments and vocals, confirmed both by ear and in the frequency-response and distortion measurements.
Buy the MoFi SourcePoint 8 if sound quality matters more than the price. Buy the Polk R200 if the price matters more than sound quality.
If sound quality matters at all to you, skip the Polk R200. It ranks near the bottom of the 84 bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| MoFi SourcePoint 8 | Polk R200 | |
|---|---|---|
| Price | $2200 | $799.00 |
| Ranked | #17 of 84 in Large Size Bookshelf Speakers | #64 of 84 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) | 50Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) | 74Hz (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) | 14.1"H x 7.5"W x 13.9"D (359.0 x 190.0 x 353.8 mm) |
| Impedance | 8 ohms nominal (8 ohms minimum above 80Hz, measured, Erin’s Audio Corner) | 4 ohms nominal, 3.8 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 86.3dB (measured, Erin’s Audio Corner) | 85dB |
| Drivers | 8" woofer, 1.25-inch soft-dome tweeter | 25mm soft dome + 165mm woofer |
| Weight | 28 lbs / 12.7 kg each | 31.3 lbs / 14.2 kg |
| Woofer Cabinet | ported, rear | ported, rear |
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More useful head-to-heads from the same speaker class:
- KEF Q3 Meta vs Polk Reserve R100
- KEF Q3 Meta vs Revel Performa M22
- KEF R3 vs Buchardt Audio E50
- MoFi SourcePoint 8 vs ELAC DBR62
- MoFi SourcePoint 8 vs SVS Prime Bookshelf
The Two Speakers In Full
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 |
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- 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
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- MoFi SourcePoint 8 vs KEF R3
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- MoFi SourcePoint 8 vs MoFi SourcePoint 10
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Polk R200: $799.00 Amazon
Pros: Two-way design with a 6.5” midwoofer and 1” ring radiator tweeter, giving reasonably tight, well-defined imaging. Neutral through most of the midrange (roughly 200Hz-1kHz). On-axis response holds within about 1.5dB up to 10kHz. About 20dB of usable dynamic range (76dB to 96dB) before more significant compression sets in. Reasonably close to a 4-ohm nominal load, giving some flexibility with amplifier choice, though a dedicated 4-ohm-capable amp is still recommended.
Cons: A resonance and associated distortion increase around 800Hz-1kHz creates a “tinny,” occasionally glaring quality on certain instruments and vocals, confirmed both by ear and in the frequency-response and distortion measurements. Above about 10kHz, the ring-radiator tweeter takes on an artificial, “digital-esque” quality, then falls off quickly above 16kHz. F3 of 74Hz and F10 of 50Hz mean there’s essentially no meaningful bass “thump” below about 60Hz - a subwoofer is strongly recommended even just to restore basic kick-drum presence. The ring radiator tweeter’s dispersion narrows sharply above about 8kHz, so the speaker should be aimed close to on-axis (no more than 5-10° of toe-out). Vertical listening position is fairly critical - moving more than a few degrees above or below the tweeter line causes a noticeable timbre shift due to a gap in the crossover region. Multitone distortion spikes substantially (to around 10%) in the 600Hz-1kHz region at higher output levels (around 96dB/1m), meaning the glare gets worse the louder it’s played. At the highest tested output (102dB, 26dB of dynamic range), the woofer shows clear signs of struggling; crossing to a subwoofer around 80-100Hz helps prevent bottoming out but doesn’t fully eliminate the compression.
Full Polk R200 review and specifications →
| Bass Extension (-10dB) | 50Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 74Hz (measured, Erin's Audio Corner) |
| Dimensions | 14.1"H x 7.5"W x 13.9"D (359.0 x 190.0 x 353.8 mm) |
| Drivers | 25mm soft dome + 165mm woofer |
| Impedance | 4 ohms nominal, 3.8 ohms minimum (measured, Erin's Audio Corner) |
| Sensitivity | 85dB |
| Weight | 31.3 lbs / 14.2 kg |
| Woofer Cabinet | ported, rear |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons