Short answer: the Kali LP-UNF for better measured sound quality, the Focal Alpha 50 EVO for the lower price. The LP-UNF ranks #33 of 67 medium powered bookshelf speakers against #37 for the Alpha 50 EVO, and it costs $20 more. They sit close together in the rankings, so this is a real tradeoff rather than an easy call.
The LP-UNF has independent Klippel data behind its sound. Erin’s measurements give it a -3dB bass point around 54Hz and preference scores of 4.60 standalone and 6.67 with an ideal subwoofer, helped by an unusually low 1.9kHz crossover and waveguide that give it useful freedom in listening height for a two-way design. Its weak point is output: the review found limiting around 91dB/1m per speaker, so its strength is affordable close listening rather than filling a room.
The Alpha 50 EVO doesn’t have comparable independent measurement data, so claims about it being more neutral than rivals like the HS5 rest on informal comparison videos rather than a lab result. What it does have is a conventional studio-monitor layout with rear-panel shelving controls for basic room adjustment, something the LP-UNF lacks entirely, since the LP-UNF has no EQ at all.
Connectivity is a real point of difference. The LP-UNF includes Bluetooth and USB-C digital input alongside RCA and TRS, making it a more complete desktop system out of the box. The Alpha 50 EVO sticks to XLR, TRS, and RCA, the studio-standard set, with no Bluetooth or digital input.
Buy the Kali LP-UNF for independently measured sound quality and built-in Bluetooth and USB-C connectivity, if you mainly listen at close range rather than needing to fill a room.
Buy the Focal Alpha 50 EVO if you want rear-panel room correction, a lower price, and don’t need Bluetooth or USB digital input.
Still deciding? The full Powered Home rankings cover every ranked option.
Specifications Side By Side
| Focal Alpha 50 EVO | Kali LP-UNF | |
|---|---|---|
| Price | $658 per pair | $349.00 per pair |
| Ranked | #37 of 67 in Medium Size Powered Bookshelf Speakers | #33 of 67 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 12.2"H x 9"W x 9.4"D (309.9 x 228.6 x 238.8 mm) | 10"H x 6.5"W x 7.4"D (254 x 165 x 188 mm) |
| Frequency Response | 45 Hz - 22 kHz (+-3 dB) (Manufacturer specified) | 39Hz - 25kHz (-10dB) (Manufacturer specified) |
| Inputs | XLR, TRS, RCA | Bluetooth, USB-C (digital), RCA, TRS |
| Weight | 13.2 lbs (6.0 kg) each | 17.2 lbs (7.8 kg) |
| Drivers | 5" (127mm) woofer | 4.5" woofer, 1" Textile Dome tweeter |
| App | No | No |
| Bluetooth | No | No |
| EQ | Yes (Room adjustment) | No |
| Amplifier Power | 60w Per Speaker | 160W total (Class D, 2-channel bi-amped) |
| Spinorama Preference Score | 1.04 | 4.60 |
| Spinorama Preference Score with Perfect Sub | 5.70 | 6.67 |
| XLR Input | Yes | No |
| RCA Input | Yes | Yes |
| TRS Input | Yes | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | Yes |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Bass Extension (-10dB) | - | 39Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | - | 54Hz (measured, Erin's Audio Corner) |
| Sensitivity | - | 88.1dB (measured at 0.3V/1m, Erin's Audio Corner) |
Related Speaker Comparisons
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Prices on this page were last checked September 23, 2026 at 11:24 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
Focal Alpha 50 EVO: $658 per pair Amazon eBay
Pros: Rear shelving controls and a conventional studio-monitor layout provide practical placement adjustment.
Cons: Basic shelving controls are less flexible than parametric room correction. Careful placement is still important, especially near walls or on a desk.
Full Focal Alpha 50 EVO review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 60w Per Speaker |
| App | No |
| Aux Input | No |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 12.2"H x 9"W x 9.4"D (309.9 x 228.6 x 238.8 mm) |
| Drivers | 5" (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 45 Hz - 22 kHz (+-3 dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR, TRS, RCA |
| Optical Input | No |
| RCA Input | Yes |
| Spinorama Preference Score | 1.04 |
| Spinorama Preference Score with Perfect Sub | 5.70 |
| TRS Input | Yes |
| USB Input | No |
| Weight | 13.2 lbs (6.0 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Independent Measurements (spinorama.org)
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- DSAUDIO.review: DSAUDIO.review Focal Alpha 50 EVO vs Yamaha HS5 sound.DEMO
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Kali LP-UNF: $349.00 per pair Amazon eBay
Pros: A practical compact desktop system with USB-C, analog inputs and Bluetooth, plus extensive placement switches. Erin’s Klippel data gives -3dB bass around 54Hz and scores of 4.60 standalone and 6.67 with an ideal subwoofer. The low crossover and waveguide provide useful freedom of listening height for a two-way design, and moderate-level distortion is well controlled in the review. Measured bass extension of 54Hz (-3dB), with a measured sensitivity of 88.1dB.
Cons: The 2.9dB midrange span masks local response ripples; listening-window narrow-band deviation of 0.467 is behind the best monitors. The review finds limiting around 91dB/1m per speaker. No dedicated subwoofer output means integration requires suitable external routing or bass management. Its strength is affordable close listening, not top-tier tonal accuracy or high-output room playback.
Full Kali LP-UNF review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 160W total (Class D, 2-channel bi-amped) |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 39Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 54Hz (measured, Erin's Audio Corner) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 10"H x 6.5"W x 7.4"D (254 x 165 x 188 mm) |
| Drivers | 4.5" woofer, 1" Textile Dome tweeter |
| EQ | No |
| Frequency Response | 39Hz - 25kHz (-10dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Bluetooth, USB-C (digital), RCA, TRS |
| Optical Input | No |
| RCA Input | Yes |
| Sensitivity | 88.1dB (measured at 0.3V/1m, Erin's Audio Corner) |
| Spinorama Preference Score | 4.60 |
| Spinorama Preference Score with Perfect Sub | 6.67 |
| TRS Input | Yes |
| USB Input | Yes |
| Weight | 17.2 lbs (7.8 kg) |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner Review Measurements More from Erin’s Audio Corner →
- Erin’s Audio Corner: The Perfect Desktop Speaker? Kali LP-UNF.
- Erin’s Audio Corner: The Best Budget Desktop Speakers, Tested & Rated
- Erin’s Audio Corner: My Absolute Favorite Products of 2024 Revealed
- Erin’s Audio Corner: 10 Great (and Terrible) Speakers Under $300!
- Erin’s Audio Corner Measurements (spinorama.org)
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