Short answer: the KEF LSX II LT. It ranks #36 of 108 powered bookshelf speakers by sound quality, rated 4.0/5, at $749.99. The Edifier MR5 ranks #78, rated 3.3/5, at $349.99, $400 cheaper, not enough of a saving to outweigh the sound-quality gap.
The KEF LSX II LT is the better-sounding pick. Compact wireless speakers with HDMI and optical inputs, made for a TV or desk, with sound that stays even across a sofa. The tradeoff: The 3.4dB midrange response span and treble-region dips keep it below more neutral monitors.
What the Edifier MR5 does well: A three way desktop monitor pair with a dedicated midrange, LDAC Bluetooth, balanced inputs, app EQ and a headphone jack. It keeps a wired aux input, which the KEF LSX II LT lacks. It has an adjustable EQ, which the KEF LSX II LT lacks. The catch: Erin’s CTA-2034 data shows upper-midrange and treble irregularities, while off-axis response narrows more quickly than ideal above about 2-3kHz.
Buy the KEF LSX II LT. It is rated higher for sound quality, and the $400 saving on the Edifier MR5 is not enough to make up the difference.
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Specifications Side By Side
| KEF LSX II LT | Edifier MR5 | |
|---|---|---|
| Price | $749.99 per pair | $349.99 per pair |
| Ranked | #36 of 108 in Medium Size Powered Bookshelf Speakers | #78 of 108 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 9.5”H x 6.1”W x 7.1”D (241.3 x 154.9 x 180.3 mm) | 6.3”W x 10.4”H x 11”D (159 x 264 x 280 mm) (active); 159W x 264H x 257D mm (passive) |
| Inputs | Wifi, USB-C, HDMI, Optical, Bluetooth | Balanced XLR, balanced 6.35mm TRS, RCA, 3.5mm Aux |
| Outputs | RCA Subwoofer | 3.5mm headphone |
| Drivers | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter | 5-inch woofer + 3.75-inch midrange + 1-inch silk-dome tweeter (each) |
| Weight | 15 lbs (6.8 kg) | 22.9 lbs (10.38 kg) |
| App | No | Yes (Edifier ConneX) |
| Bluetooth | Yes | Yes |
| EQ | No | Yes (app EQ and rear high/low controls) |
| Amplifier Power | 100w RMS Per Speaker | 110W RMS total (Manufacturer specified) |
| Bass Extension (-3dB) | 55Hz (measured, Erin’s Audio Corner) | 51Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 46Hz (measured, Erin’s Audio Corner) | - |
| Sensitivity | 84dB (measured at 0.3V/1m, Erin’s Audio Corner) | 85dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.81 | - |
| Spinorama Preference Score with Perfect Sub | 7.03 | - |
| Subwoofer Output | Yes | - |
| XLR Input | No | Yes |
| RCA Input | No | Yes |
| TRS Input | No | Yes |
| Optical Input | Yes | No |
| Coaxial Input | No | No |
| USB Input | Yes | No |
| HDMI Input | Yes | No |
| AES Input | No | No |
| Aux Input | No | Yes |
| Frequency Response | 54Hz - 28kHz (±3dB) (Manufacturer specified) | 46Hz-40kHz (Manufacturer specified) |
| Bluetooth Version | 5.0 | 6.0 |
| Bluetooth Codecs | - | LDAC, SBC |
| Maximum SPL | - | 101dB (Manufacturer specified, 1m) |
| Measurement Source | - | Erin’s Audio Corner |
| Headphone Output | - | Yes |
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