Short answer: the Klipsch RP-600M II. It ranks #114 of 203 bookshelf speakers by sound quality, rated 3.7/5, at $449.99; the SVS Prime Bookshelf ranks #137, rated 3.5/5, and costs $699, which makes this an easy call rather than a real tradeoff.
The case for the Klipsch RP-600M II: Redesigned waveguide extends flush to the baffle edge, reducing diffraction compared to the original RP-600M. The tradeoff: On-axis, the treble runs notably hot (even hotter than the original RP-600M in some respects) and needs about 20° of toe-out or the grille installed to sound balanced.
What the SVS Prime Bookshelf does well: Reasonable sensitivity for the price at about 87dB, and the 6.5” woofer sits in its own dedicated sealed sub-compartment inside the cabinet for cleaner midrange/bass separation. The catch: A scooped mid-range paired with a boosted upper mid-range creates an audibly uneven tonal balance, and there’s an additional dip in the treble around 4-5kHz that reads as slightly tinny relative to the recessed mid-range.
Buy the Klipsch RP-600M II. It is rated higher for sound quality than the SVS Prime Bookshelf and costs less, so only choose the other one for a particular feature it does better.
Looking for alternatives? See the complete Passive Home rankings.
Specifications Side By Side
| Klipsch RP-600M II | SVS Prime Bookshelf | |
|---|---|---|
| Price | $449.99 per pair | $699.00 per pair |
| Ranked | #114 of 203 in Large Size Bookshelf Speakers | #137 of 203 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 41Hz (measured, Erin’s Audio Corner) | 49Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) | 72Hz (measured, Erin’s Audio Corner) |
| Dimensions | 15.7”H x 8”W x 12.5”D (398.8 x 203.2 x 317.5 mm) | 13.2”H x 8”W x 10.2”D (335.3 x 203.2 x 259.1 mm) |
| Impedance | 8 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 8 ohms nominal, 3.9 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 86dB (measured, Erin’s Audio Corner) | 87dB (measured average, Erin’s Audio Corner) |
| Drivers | 6.5” Cerametallic cone woofer, 1” titanium LTS vented tweeter with Tractrix horn | 6.5” polypropylene cone woofer with aluminum shorting ring (sealed sub-compartment), 1” aluminum dome tweeter |
| Weight | 13 lbs (5.9 kg) each | 15.5 lbs (7.03 kg) each |
| Woofer Cabinet | ported | - |
| Spinorama Preference Score | 5.64 | 5.17 |
| Spinorama Preference Score with Perfect Sub | 7.77 | 7.78 |
| DIY Kit | No | No |
| Frequency Response | - | 48Hz - 25kHz ±3dB (manufacturer specified) |
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The Two Speakers In Full
Klipsch RP-600M II: $449.99 per pair Amazon eBay
Older model: the Klipsch RP-600M (ranked lower, rated 2.9/5).
Same family: the Klipsch RP-500M II (smaller bookshelf, rated 4/5), the Klipsch RP-5000F II (smallest floorstanding, rated 4/5), the Klipsch RP-6000F II (floorstanding, rated 3.9/5), the Klipsch RP-8000F II (largest floorstanding, rated 3.9/5), the Klipsch RP-404C II (smallest center, rated 3.7/5), the Klipsch RP-500C II (center, rated 3.9/5) and the Klipsch RP-504C II (largest center, rated 3.8/5).
Pros: Redesigned waveguide extends flush to the baffle edge, reducing diffraction compared to the original RP-600M. Roughly 10-20° wider horizontal radiation than the original, giving more soundstage envelopment while retaining precise imaging. A major step up in overall tonal neutrality compared to the original RP-600M, largely eliminating that model’s midrange resonance issues. Unusually, sounds better with the grille on: the grille smooths out the elevated treble rather than degrading the sound, a rare trait among speakers the reviewer has tested. More refined back-panel hardware, including anodized binding posts and jumper cables for optional bi-amping. Responds well to EQ correction (verified using measurement software and a miniDSP), letting the on-axis response be made genuinely linear. Measured bass extension of 70Hz (-3dB), with a measured sensitivity of 86dB.
Cons: On-axis, the treble runs notably hot (even hotter than the original RP-600M in some respects) and needs about 20° of toe-out or the grille installed to sound balanced. Horizontal dispersion is very slightly less linear across angles than the original RP-600M, a minor trade-off for the wider overall radiation pattern. Klipsch’s marketed sensitivity (about 94.5dB) is, like the original, a half-space rating roughly 9dB above the anechoic reality (closer to 85-86dB). In-room bass rolls off around 60Hz in practice, and a 120Hz boost paired with a midrange scoop gives kick drums their “tambour” without real low-end weight: a subwoofer is still recommended. Vertical listening tolerance is limited to about ±10° from the tweeter axis. Toeing the speaker out for better on-axis tonality (rather than using the grille) introduces slightly more diffuse imaging from added sidewall reflections.
Full Klipsch RP-600M II review and specifications →
| Bass Extension (-10dB) | 41Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 15.7”H x 8”W x 12.5”D (398.8 x 203.2 x 317.5 mm) |
| Drivers | 6.5” Cerametallic cone woofer, 1” titanium LTS vented tweeter with Tractrix horn |
| Impedance | 8 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 86dB (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.64 |
| Spinorama Preference Score with Perfect Sub | 7.77 |
| Weight | 13 lbs (5.9 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 II
- GR-Research: We Bought The "NEW" RP-600M II Is KLIPSCH Listening?! More from GR-Research →
- Erin’s Audio Corner: 5 AWESOME SPEAKERS Under $1000 You Won’t Regret
- Erin’s Audio Corner Measurements (spinorama.org)
- Erin’s Audio Corner: KEF Q1 Meta vs Emotiva vs Klipsch | The Real Differences
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- See all 118 comparisons
SVS Prime Bookshelf: $699.00 per pair Amazon eBay
Same family: the SVS Prime Satellite (smaller bookshelf, estimated 3.3/5), the SVS Prime Tower (smaller floorstanding, estimated 3.6/5), the SVS Prime Pinnacle (larger floorstanding, estimated 3.8/5) and the SVS Prime Center (center, rated 3.4/5).
Pros: Reasonable sensitivity for the price at about 87dB, and the 6.5” woofer sits in its own dedicated sealed sub-compartment inside the cabinet for cleaner midrange/bass separation. Overall response stays within about ±3dB from 80Hz-16kHz, which the reviewer calls reasonable for the price point. Wide, consistent horizontal radiation. Toeing the speakers 30 degrees off-axis smooths the in-room response noticeably if the on-axis tonal balance isn’t to your taste. Measured bass extension of 72Hz (-3dB), with a measured sensitivity of 87dB.
Cons: A scooped mid-range paired with a boosted upper mid-range creates an audibly uneven tonal balance, and there’s an additional dip in the treble around 4-5kHz that reads as slightly tinny relative to the recessed mid-range. Measured minimum impedance dips below 4 ohms (EPDR even lower), so an 8-ohm-only amplifier or AVR may struggle: a 4-ohm-stable amp or separate amplification is recommended. Bass extension is modest (F3 72Hz, F10 49Hz measured): SVS clearly designed this to be paired with one of their subwoofers rather than to stand fully alone. Compared directly against its pricier sibling, the SVS Ultra Bookshelf, in the same review, the reviewer found the Ultra noticeably more tonally neutral.
Full SVS Prime Bookshelf review and specifications →
| Bass Extension (-10dB) | 49Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 72Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 13.2”H x 8”W x 10.2”D (335.3 x 203.2 x 259.1 mm) |
| Drivers | 6.5” polypropylene cone woofer with aluminum shorting ring (sealed sub-compartment), 1” aluminum dome tweeter |
| Frequency Response | 48Hz - 25kHz ±3dB (manufacturer specified) |
| Impedance | 8 ohms nominal, 3.9 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 87dB (measured average, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.17 |
| Spinorama Preference Score with Perfect Sub | 7.78 |
| Weight | 15.5 lbs (7.03 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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