Short answer: the KEF Q Concerto Meta. It ranks #11 of 222 bookshelf speakers by sound quality (rated 4.6/5) at $1,399.99 and is still sold new; the Philharmonic BMR (v1) ranks #40 (rated 4.3/5) and is discontinued, so it is only an option used. The Philharmonic BMR (v1)’s replacement, the Philharmonic BMR Monitor, is rated 3.6/5 at $2,200.
The KEF Q Concerto Meta is the more accurate, deeper-bass option. A neutral three way bookshelf speaker that sounds consistent from seat to seat, with smooth treble that many rivals at its price lack. Its measured preference score, a predictor of how neutral it sounds, is 6.01 against 4.86 for the Philharmonic BMR (v1). Its bass reaches about 53Hz before falling 3dB, against 62Hz for the Philharmonic BMR (v1). The catch: Radiation pattern measures about ±50°, narrower than the reviewer’s preferred ±60° for a stronger sense of envelopment.
Why pick the Philharmonic BMR (v1): A large three way bookshelf speaker with a ribbon tweeter, flat response, broad coverage, and an unusually expansive midrange. Watch for: The measured 83dB sensitivity and roughly 4-ohm load demand meaningful external amplification.
Buy the KEF Q Concerto Meta. It is rated higher for sound quality, and the Philharmonic BMR (v1) is discontinued, so it is only available used.
Still deciding? The full Passive Home rankings cover every ranked option.
A neutral three way bookshelf speaker that sounds consistent from seat to seat, with smooth treble that many rivals at its price lack.
A large three way bookshelf speaker with a ribbon tweeter, flat response, broad coverage, and an unusually expansive midrange.
Prices on this page were last checked October 31, 2026 at 7:11 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
| KEF Q Concerto Meta | Philharmonic BMR (v1) | |
|---|---|---|
| Price | $1,399.99 per pair | $2,395 per pair Discontinued |
| Ranked | #11 of 222 in Large Size Bookshelf Speakers | #40 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 35Hz (measured, Erin’s Audio Corner) | 37.8Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 53Hz (measured, Erin’s Audio Corner) | Approximately 62Hz relative to mean (measured, Erin’s Audio Corner website) |
| Dimensions | 16.3”H x 8.3”W x 12.4”D (414 x 210.8 x 315 mm) | 22H x 9W x 13.5D in |
| Impedance | 4 ohms nominal (3.3 ohms minimum above 80Hz, measured by Erin’s Audio Corner) | Approximately 4 ohms nominal (measured, Erin’s Audio Corner) |
| Drivers | 165 mm (6.5 in.) hybrid aluminium cone woofer, 100 mm (4 in.) aluminium cone midrange, 19 mm (0.75 in.) vented aluminium dome with MAT tweeter | RAAL 64-10 ribbon; 2.5” BMR midrange; 7” Scan-Speak woofer |
| Sensitivity | 84.2dB (measured average, Erin’s Audio Corner) | Approximately 83dB/2.83V/1m (measured, Erin’s Audio Corner) |
| Weight | 20.9 lbs (9.5 kg) each | 37.9 lbs (17.2 kg) each |
| Woofer Cabinet | ported, rear | ported |
| Spinorama Preference Score | 6.01 | 4.86 |
| Spinorama Preference Score with Perfect Sub | 7.71 | 7.17 |
| DIY Kit | No | No |
| Port Tuning | - | Mid/low-30Hz range (measured, Erin’s Audio Corner) |
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