Short answer: the KEF LSX II LT for desktop flexibility, the Kali Audio LP-UNF for wider dispersion. The KEF’s coaxial driver keeps the tweeter centered in the midrange, but small drivers make it SPL-limited, with bass compression around 88-92dB/1m per speaker. The LP-UNF is the wider-dispersion option, though its F3 of 54Hz and F10 of 39Hz mean it rolls off quickly below about 40Hz.
The case for the Kali Audio LP-UNF: 1” dome tweeter on a waveguide crossed unusually low at 1.9kHz to a 4.5” ported midwoofer. The tradeoff: F3 of 54Hz and F10 of 39Hz mean bass rolls off quickly below about 40Hz, bottoming out around 50Hz in-room.
Buy the Kali Audio LP-UNF if the price is the priority over sound quality, or the KEF LSX II LT if sound quality is the priority over the price.
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Specifications Side By Side
| Kali Audio LP-UNF | KEF LSX II LT | |
|---|---|---|
| Price | $349.00 per pair | $749.99 per pair |
| Ranked | #45 of 108 in Medium Size Powered Bookshelf Speakers | #36 of 108 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-10dB) | 39Hz (measured, Erin’s Audio Corner) | 46Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 54Hz (measured, Erin’s Audio Corner) | 55Hz (measured, Erin’s Audio Corner) |
| Inputs | Bluetooth, USB-C (digital), RCA, TRS | Wifi, USB-C, HDMI, Optical, Bluetooth |
| Drivers | 4.5” woofer, 1” Textile Dome tweeter | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter |
| App | No | No |
| Bluetooth | Yes | Yes |
| EQ | No | No |
| Weight | 17.2 lbs (7.8 kg) | 15 lbs (6.8 kg) |
| Sensitivity | 88.1dB (measured at 0.3V/1m, Erin’s Audio Corner) | 84dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.60 | 4.81 |
| Spinorama Preference Score with Perfect Sub | 6.67 | 7.03 |
| XLR Input | No | No |
| RCA Input | Yes | No |
| TRS Input | Yes | No |
| Optical Input | No | Yes |
| Coaxial Input | No | No |
| USB Input | Yes | Yes |
| HDMI Input | No | Yes |
| AES Input | No | No |
| Aux Input | No | No |
| Dimensions | 10”H x 6.5”W x 7.4”D (254 x 165 x 188 mm) | 9.5”H x 6.1”W x 7.1”D (241.3 x 154.9 x 180.3 mm) |
| Amplifier Power | 160W total (Class D, 2-channel bi-amped) | 100w RMS Per Speaker |
| Frequency Response | 39Hz - 25kHz (-10dB) (Manufacturer specified) | 54Hz - 28kHz (±3dB) (Manufacturer specified) |
| Bluetooth Version | 5.1 | 5.0 |
| Outputs | - | RCA Subwoofer |
| Subwoofer Output | - | Yes |
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