Short answer: the Neumann KH80 DSP for sound, the KEF LSX II LT if output demands are modest. The KH80 DSP sounds near identical to the 8020D, though it carries a high price. The LSX II LT’s coaxial driver keeps the tweeter centered in the midrange, but its small drivers make it SPL-limited, with bass compression kicking in around 88-92dB/1m per speaker.
Buy the Neumann KH80 DSP. It is rated higher for sound quality, and the $448.01 saving on the KEF LSX II LT is not enough to make up the difference.
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Specifications Side By Side
| KEF LSX II LT | Neumann KH80 DSP | |
|---|---|---|
| Price | $749.99 per pair | $1,198 per pair |
| Ranked | #36 of 108 in Medium Size Powered Bookshelf Speakers | #4 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) | 13.6”H x 10.8”W x 9.6”D (345.4 x 274.3 x 243.8 mm) |
| Inputs | Wifi, USB-C, HDMI, Optical, Bluetooth | XLR |
| Outputs | RCA Subwoofer | - |
| Drivers | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter | 4.1” woofer, 1” fabric dome tweeter |
| Weight | 15 lbs (6.8 kg) | 9 lbs (4.1 kg) each |
| App | No | Yes (MA 1 alignment) |
| Bluetooth | Yes | No |
| EQ | No | Yes (via DSP) |
| Amplifier Power | 100w RMS Per Speaker | 140W (90W woofer + 50W tweeter) |
| Bass Extension (-3dB) | 55Hz (measured, Erin’s Audio Corner) | 57Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 46Hz (measured, Erin’s Audio Corner) | 51Hz (measured, Erin’s Audio Corner) |
| Sensitivity | 84dB (measured at 0.3V/1m, Erin’s Audio Corner) | 91.9dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.81 | 5.89 |
| Spinorama Preference Score with Perfect Sub | 7.03 | 8.25 |
| Subwoofer Output | Yes | - |
| XLR Input | No | Yes |
| RCA Input | No | No |
| TRS Input | No | No |
| Optical Input | Yes | No |
| Coaxial Input | No | No |
| USB Input | Yes | No |
| HDMI Input | Yes | No |
| AES Input | No | No |
| Aux Input | No | No |
| Frequency Response | 54Hz - 28kHz (±3dB) (Manufacturer specified) | 57 Hz - 25 kHz (+-3 dB) (Manufacturer specified) |
| Bluetooth Version | 5.0 | - |
| DSP | - | Yes |
| Maximum SPL | - | 110.7dB @ 1m (manufacturer specified) |
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