Short answer: the KEF Reference 1 Meta for better sound quality, the Ascend Acoustics CMT-340 SE2 for the lower price. The KEF Reference 1 Meta ranks #3 of 222 bookshelf speakers, rated 4.8/5, at $9,999.98. The Ascend Acoustics CMT-340 SE2 ranks #24, rated 4.4/5, at $798, $9,201.98 cheaper.
The KEF Reference 1 Meta is the more accurate, deeper-bass option. Extremely accurate bookshelf speakers, with a superb three dimensional soundstage, no harshness, and tightly matched pairs. Its measured preference score, a predictor of how neutral it sounds, is 6.48 against 5.33 for the Ascend Acoustics CMT-340 SE2. Its bass reaches about 52Hz before falling 3dB, against 77.6Hz for the Ascend Acoustics CMT-340 SE2. The tradeoff: At roughly $10000/pair, nearly four times the cost of the similarly-sized KEF R3.
The case for the Ascend Acoustics CMT-340 SE2: A dual woofer bookshelf speaker with accurate sound, high sensitivity, and lots of clean output, a superb partner for a subwoofer at a modest price. The catch: Bass rolls off early for the cabinet size, measuring 77.6Hz at -3dB, 64.5Hz at -6dB, and 48.3Hz at -12dB; the preference score without a subwoofer is only 5.33.
Buy the KEF Reference 1 Meta when sound quality outweighs the price for you, and the Ascend Acoustics CMT-340 SE2 when the price outweighs sound quality instead.
Want more options? Browse the full Passive Home rankings.
Extremely accurate bookshelf speakers, with a superb three dimensional soundstage, no harshness, and tightly matched pairs.
A dual woofer bookshelf speaker with accurate sound, high sensitivity, and lots of clean output, a superb partner for a subwoofer at a modest price.
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 Reference 1 Meta | Ascend Acoustics CMT-340 SE2 | |
|---|---|---|
| Price | $9999.98 per pair | $798 per pair |
| Ranked | #3 of 222 in Large Size Bookshelf Speakers | #24 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 32Hz (measured, Erin’s Audio Corner) | approximately 53Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) | 77.6Hz (measured, spinorama.org) |
| Dimensions | 17.3”H x 8.1”W x 16.6”D (439.4 x 205.7 x 421.6 mm) | 21 x 7.5 x 10.5 in each |
| Impedance | 4 ohms nominal, 2.9 ohms minimum (measured, Erin’s Audio Corner) | 8 ohms nominal |
| Drivers | 165 mm (6.5 in.) aluminium cone woofer, 125 mm (5 in.) aluminium cone midrange, 25 mm (1 in.) aluminium dome with MAT tweeter | Two 6.5-inch woofers; 27mm soft-dome tweeter |
| Sensitivity | 82.5dB (measured average, Erin’s Audio Corner) | 92dB at 2.83V/1m anechoic |
| Weight | 40.1 lbs (18.2 kg) each | 29.1 lbs (13.2 kg) each |
| Woofer Cabinet | ported, rear | - |
| Spinorama Preference Score | 6.48 | 5.33 |
| Spinorama Preference Score with Perfect Sub | 8.29 | 7.99 |
| DIY Kit | No | No |
| Power Handling | - | 240W continuous; 400W short-term peak |
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