Short answer: the Arendal 1528 Monitor 8 on measured sound quality, the Klipsch RP-600M II on price. The Arendal 1528 Monitor 8 ranks #23 of 223 bookshelf speakers, rated 4.4/5, at $6,000. The Klipsch RP-600M II ranks #124, rated 3.7/5, at $449.99, $5,550.01 cheaper.
Why pick the Klipsch RP-600M II: Bookshelf speakers with a large horn tweeter, wide soundstage, high efficiency and bi-amp ready terminals. Watch for: On-axis, the treble runs notably hot (even hotter than the original Klipsch RP-600M in some respects) and needs about 20° of toe-out or the grille installed to sound balanced.
The Arendal 1528 Monitor 8 is the better-sounding, deeper-bass pick. A big three way monitor with dual 8 inch woofers, bass deep enough to skip a subwoofer, and extremely low distortion at high volume. Its bass reaches about 41Hz before falling 3dB, against 70Hz for the Klipsch RP-600M II. Watch for: A dip in the midbase around 100Hz noticeably reduces the “chestiness” of male vocals compared to the reviewer’s reference speaker.
Buy the Klipsch RP-600M II if the price is the priority over sound quality, or the Arendal 1528 Monitor 8 if sound quality is the priority over the price.
Still deciding? The full Passive Home rankings cover every ranked option.
Bookshelf speakers with a large horn tweeter, wide soundstage, high efficiency and bi-amp ready terminals.
A big three way monitor with dual 8 inch woofers, bass deep enough to skip a subwoofer, and extremely low distortion at high volume.
Prices on this page were last checked October 29, 2026 at 4:42 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| Klipsch RP-600M II | Arendal 1528 Monitor 8 | |
|---|---|---|
| Price | $449.99 per pair | $6000 per pair |
| Ranked | #124 of 223 in Large Size Bookshelf Speakers | #23 of 223 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 41Hz (measured, Erin’s Audio Corner) | 26Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 70Hz (measured, Erin’s Audio Corner) | 41Hz (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) | 31.8”H x 11.4”W x 17.6”D (807.7 x 289.6 x 447 mm) |
| Impedance | 8 ohms nominal (3.5 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | 4 ohms nominal, 3.8 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | 86dB (measured, Erin’s Audio Corner) | 84.4dB (measured, Erin’s Audio Corner) |
| Drivers | 6.5” Cerametallic cone woofer, 1” titanium LTS vented tweeter with Tractrix horn | Dual 8” woofers, 5” midrange, 28mm tweeter |
| Weight | 13 lbs (5.9 kg) each | 103.6 lbs (47 kg) each |
| Woofer Cabinet | ported | ported |
| Spinorama Preference Score | 5.64 | 5.59 |
| Spinorama Preference Score with Perfect Sub | 7.77 | 7.04 |
| DIY Kit | No | No |
Frequency Response Compared
Both speakers’ spinorama measurements, overlaid. A flatter line is more neutral: peaks sound forward or harsh, dips sound recessed. Each curve is shifted so its average from 300 Hz to 3 kHz sits at 0 dB, so loudness differences between the two are removed and only the shape is compared.
Measurement data: Klipsch RP-600M II (measured by Erin’s Audio Corner) and Arendal 1528 Monitor 8 (measured by Erin’s Audio Corner), via spinorama.org.
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