Short answer: the KEF LSX II LT. It ranks #26 of 67 powered bookshelf speakers by sound quality, rated 4.0/5, at $479.99. The Edifier MR5 ranks #52, rated 3.3/5, at $329, $150.99 cheaper, not enough of a saving to outweigh the sound-quality gap.
What the KEF LSX II LT does well: The coincident driver provides useful consistency across listening positions, and the app offers placement and subwoofer adjustments. The catch: The 3.4dB midrange response span and treble-region dips keep it below more neutral monitors.
What the Edifier MR5 does well: Erin’s Audio Corner measured useful bass for a compact 5-inch monitor, with F3 around 51Hz. The tradeoff: 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 $150.99 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 | $479.99 per pair | $329.00 per pair |
| Ranked | #26 of 67 in Medium Size Powered Bookshelf Speakers | #52 of 67 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 | No | Yes, 6.0 |
| 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 | - | 6.0 |
| Bluetooth Codecs | - | LDAC, SBC |
| Maximum SPL | - | 101dB (Manufacturer specified, 1m) |
| Measurement Source | - | Erin’s Audio Corner |
| Headphone Output | - | Yes |
Related Speaker Comparisons
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- KEF LSX II LT vs Genelec 8331A
- KEF LSX II LT vs Neumann KH120 MKII
- Genelec 8030C vs KEF LSX II LT
- KEF LSX II LT vs Neumann KH80 DSP
- KEF LSX II LT vs Reflector Audio Square Two
Prices on this page were last checked September 26, 2026 at 11:14 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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The Two Speakers In Full
KEF LSX II LT: $479.99 per pair Amazon eBay
Pros: The coincident driver provides useful consistency across listening positions, and the app offers placement and subwoofer adjustments. Erin’s measurements give preference scores of 4.81 standalone and 7.03 with an ideal subwoofer, with -3dB bass around 56Hz. HDMI and USB connectivity make it convenient for a small TV or desktop system. Horizontal and vertical dispersion both reach about ±60°, giving a broad sweet spot for more than one seat. Measured bass extension of 55Hz (-3dB), with a measured sensitivity of 84dB.
Cons: The 3.4dB midrange response span and treble-region dips keep it below more neutral monitors. The existing review finds bass compression around 88-92dB/1m and rising distortion at higher levels, so the small drivers suit close listening rather than a large room. This LT version has no analog input; a turntable cannot plug straight into it.
Full KEF LSX II LT review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 100w RMS Per Speaker |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 46Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 55Hz (measured, Erin’s Audio Corner) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 9.5”H x 6.1”W x 7.1”D (241.3 x 154.9 x 180.3 mm) |
| Drivers | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter |
| EQ | No |
| Frequency Response | 54Hz - 28kHz (±3dB) (Manufacturer specified) |
| HDMI Input | Yes |
| Inputs | Wifi, USB-C, HDMI, Optical, Bluetooth |
| Optical Input | Yes |
| Outputs | RCA Subwoofer |
| RCA Input | No |
| Sensitivity | 84dB (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 |
| TRS Input | No |
| USB Input | Yes |
| Weight | 15 lbs (6.8 kg) |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Transform Your Sound System with the KEF LSX II LT Speaker More from Erin’s Audio Corner →
- Erin’s Audio Corner Website: KEF LSX II LT
- Erin’s Audio Corner Measurements (spinorama.org)
- Jasper Tech: Best Desktop Computer Speakers for Every Budget – 2026 More from Jasper Tech →
- Jasper Tech: Best Bookshelf Speakers For TV & Gaming - 2025
- Jasper Tech: Best Powered Bookshelf Speakers for Every Budget - 2025
- Head-to-Head Comparisons
Edifier MR5: $329.00 per pair Amazon B&H Photo Video eBay
Pros: Erin’s Audio Corner measured useful bass for a compact 5-inch monitor, with F3 around 51Hz. The three-way active design adds a dedicated 3.75-inch midrange, and the 110W RMS system, app EQ, room-compensation controls, LDAC, balanced XLR/TRS inputs, and front headphone output make it unusually well equipped at $329 per pair. Measured bass extension of 51Hz (-3dB), with a measured sensitivity of 85dB.
Cons: Erin’s CTA-2034 data shows upper-midrange and treble irregularities, while off-axis response narrows more quickly than ideal above about 2–3kHz. Bass output is level-limited below about 70Hz and distortion/compression rise at higher levels, so it suits moderate nearfield use better than loud mid-field playback.
Full Edifier MR5 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 110W RMS total (Manufacturer specified) |
| App | Yes (Edifier ConneX) |
| Aux Input | Yes |
| Bass Extension (-3dB) | 51Hz (measured, Erin’s Audio Corner) |
| Bluetooth | Yes, 6.0 |
| Bluetooth Codecs | LDAC, SBC |
| Bluetooth Version | 6.0 |
| Coaxial Input | No |
| Dimensions | 6.3”W x 10.4”H x 11”D (159 x 264 x 280 mm) (active); 159W x 264H x 257D mm (passive) |
| Drivers | 5-inch woofer + 3.75-inch midrange + 1-inch silk-dome tweeter (each) |
| EQ | Yes (app EQ and rear high/low controls) |
| Frequency Response | 46Hz-40kHz (Manufacturer specified) |
| HDMI Input | No |
| Headphone Output | Yes |
| Inputs | Balanced XLR, balanced 6.35mm TRS, RCA, 3.5mm Aux |
| Maximum SPL | 101dB (Manufacturer specified, 1m) |
| Measurement Source | Erin’s Audio Corner |
| Optical Input | No |
| Outputs | 3.5mm headphone |
| RCA Input | Yes |
| Sensitivity | 85dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| TRS Input | Yes |
| USB Input | No |
| Weight | 22.9 lbs (10.38 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons