Short answer: the Klipsch RP-600M II. It ranks #75 of 131 bookshelf speakers by sound quality at $489.99; the B&W 805S ranks #111 and costs $2500, so there is not much of a tradeoff to weigh.
What the Klipsch RP-600M II offers: 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. Watch for: 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.
What the B&W 805S offers: Bass and dynamic performance are strong for the cabinet size, playing very loud with well-controlled bass distortion. Horizontal beamwidth stays reasonably smooth through -6dB. Build quality has enough of a “quality feel” that the reviewer said it kept the speaker from the lowest possible rating. Watch for: CEA2034 spinorama shows directivity breaking down badly starting around 1kHz and staying poor to 3kHz - a wide crossover-region flaw the reviewer called “clearly flawed execution” that leaves vocals sounding recessed and masked without EQ correction. A high 4kHz crossover point appears to leave the tweeter’s small sub-enclosure resonating audibly during playback. Discontinued, superseded by the 805 Diamond/805 D4 series.
Buy the Klipsch RP-600M II. It ranks higher for sound quality than the B&W 805S and costs less, so there is no real case for the other one.
If sound quality matters at all to you, skip the B&W 805S. It ranks near the bottom of the 131 bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| Klipsch RP-600M II | B&W 805S | |
|---|---|---|
| Price | $489.99 | $2500 Discontinued |
| Ranked | #75 of 131 in Large Size Bookshelf Speakers | #111 of 131 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 41Hz (measured, Erin’s Audio Corner) | 62Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) | 80Hz (measured, Audio Science Review) |
| Dimensions | 15.7"H x 8"W x 12.5"D (398.8 x 203.2 x 317.5 mm) | 16.5H x 9.4W x 13.8D in |
| Impedance | 8 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 8 ohms nominal (3.7 ohms minimum) |
| Sensitivity | 86dB (measured, Erin’s Audio Corner) | 86.5dB (2.83V/1m, measured, Audio Science Review) |
| Drivers | 6.5" Cerametallic cone woofer, 1" titanium LTS vented tweeter with Tractrix horn | 1" aluminum dome tweeter, 6.5" woven Kevlar cone mid/bass |
| Weight | 13 lbs / 5.9 kg each | 25.4 lbs / 11.5 kg each |
| Woofer Cabinet | ported | ported, rear |
| Discontinued | - | Yes |
| Frequency Response | - | 49Hz - 22kHz +/-3dB (-6dB at 42Hz and 50kHz) (Manufacturer specified) |
| Power Handling | - | 50-120W |
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The Two Speakers In Full
Klipsch RP-600M II: $489.99 Amazon eBay
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.
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) |
| 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) |
| 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)
- Reddit Search for Klipsch RP-600M II Review
- Head-to-Head Comparisons
- Klipsch RP-600M II vs Dynaudio Emit 20
- Klipsch RP-600M II vs JBL Studio 630
- Klipsch RP-600M II vs Behringer B2030P
- Klipsch RP-600M II vs Ascend CBM-170 SE2
- Klipsch RP-600M II vs Infinity Reference R162
- Klipsch RP-600M II vs Infinity IL10
- Klipsch RP-600M II vs Dynaudio Special Forty
- Klipsch RP-600M II vs SVS Ultra Bookshelf
- See all 46 comparisons
B&W 805S: $2500 Discontinued eBay
Pros: Bass and dynamic performance are strong for the cabinet size, playing very loud with well-controlled bass distortion. Horizontal beamwidth stays reasonably smooth through -6dB. Build quality has enough of a “quality feel” that the reviewer said it kept the speaker from the lowest possible rating.
Cons: CEA2034 spinorama shows directivity breaking down badly starting around 1kHz and staying poor to 3kHz - a wide crossover-region flaw the reviewer called “clearly flawed execution” that leaves vocals sounding recessed and masked without EQ correction. A high 4kHz crossover point appears to leave the tweeter’s small sub-enclosure resonating audibly during playback. Discontinued, superseded by the 805 Diamond/805 D4 series. Discontinued.
Full B&W 805S review and specifications →
| Bass Extension (-10dB) | 62Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 80Hz (measured, Audio Science Review) |
| Dimensions | 16.5H x 9.4W x 13.8D in |
| Discontinued | Yes |
| Drivers | 1" aluminum dome tweeter, 6.5" woven Kevlar cone mid/bass |
| Frequency Response | 49Hz - 22kHz +/-3dB (-6dB at 42Hz and 50kHz) (Manufacturer specified) |
| Impedance | 8 ohms nominal (3.7 ohms minimum) |
| Power Handling | 50-120W |
| Sensitivity | 86.5dB (2.83V/1m, measured, Audio Science Review) |
| Weight | 25.4 lbs / 11.5 kg each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons