Short answer: the Focal Alpha 50 EVO. It ranks #34 of 58 powered bookshelf speakers by sound quality at $308; the Kali Audio IN-UNF ranks #50 and costs $699, so there is not much of a tradeoff to weigh.
What the Focal Alpha 50 EVO offers: The available response trace suggests reasonably smooth on-axis and listening-window behavior, with Spinorama narrow-band-deviation values of 0.448 and 0.366 respectively. With a subwoofer its calculated preference score is 5.05, and the rear shelving controls provide some useful room and placement adjustment. Watch for: The only Spinorama data is a low-quality graph digitization rather than a Klippel measurement, so the extreme calculated bass and sound-power results should not be taken literally. That limited dataset produces a very low 0.40 full-range preference score, weak predicted in-room smoothness, and unusually inconsistent directivity. Independent high-quality measurements are still needed.
What the Kali Audio IN-UNF offers: Ingenious ultra-nearfield system: a desk-mounted bass module uses two opposed 4.5-inch woofers below 280Hz, while the satellites use time-aligned 4-inch/1-inch coincident drivers. It is specifically engineered around the desk and, set up to Kali’s supplied placement template, sounded much better than it initially did to Erin; his moving-mic measurement at arm’s length closely matched the system’s predicted response. DSP provides placement, boundary and tonal trims, while USB-C, optical, 3.5mm and balanced TRS inputs cover desktop and studio sources. The round satellite enclosure avoids conventional baffle-edge diffraction, and the coaxial satellites image best aimed directly at the listener. Watch for: This is a very specialized system rather than a general desktop-speaker recommendation. The sizeable bass module must stay on the desk and prescribed satellite spacing can conflict with dual or ultrawide monitors; Erin and Joe N Tell both preferred Kali’s LP-6/IN-series alternatives for their own desks. A bump around 100-130Hz and a possible 1.2kHz diffraction feature appeared in Erin’s exploratory anechoic data, but he explicitly cautioned that those measurements do not replicate the required desk geometry. Bass falls away around 40-50Hz despite the separate bass unit. Erin did not publish comparable anechoic F3/F10, sensitivity or impedance figures because the system is designed around a fixed desk arrangement.
Buy the Focal Alpha 50 EVO. It ranks higher for sound quality than the Kali Audio IN-UNF and costs less, so there is no real case for the other one.
If sound quality matters at all to you, skip the Kali Audio IN-UNF. It ranks near the bottom of the 58 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| Focal Alpha 50 EVO | Kali Audio IN-UNF | |
|---|---|---|
| Price | $308.00 | $699 |
| Ranked | #34 of 58 in Medium Size Powered Bookshelf Speakers | #50 of 58 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) | Bass module: 11.6"H x 19.4"W x 5.25"D; satellites: 6.25" diameter |
| Frequency Response | 45 Hz - 22 kHz (+-3 dB) (Manufacturer specified) | 47Hz - 21kHz +/-3dB (manufacturer specified) |
| Inputs | XLR, TRS, RCA | USB-C, optical, 3.5mm, balanced TRS |
| Weight | 13.2 lbs / 6.0 kg each | - |
| Drivers | 5" (127mm) woofer | Bass module: two opposed 4.5" woofers; satellites: 4" coincident midrange with 1" textile-dome tweeter |
| App | No | - |
| Bluetooth | No | No |
| EQ | Yes (Room adjustment) | - |
| Output Power | 60w Per Speaker | 100W LF + 60W mid/HF per channel (continuous) |
| Bass Extension (-3dB) | - | 47Hz (manufacturer specified; Erin did not publish an anechoic F3) |
| Bass Extension (-10dB) | - | 39Hz (manufacturer specified; Erin did not publish an anechoic F10) |
| Crossovers | - | 280Hz LF-to-midrange; 2.8kHz midrange-to-HF |
| Max SPL | - | 103dB peak at 1m (manufacturer specified) |
| DSP | - | Yes (placement/boundary and tonal trims) |
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Prices on this page were last checked August 24, 2026 at 6:53 AM 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: $308.00 Amazon eBay
Pros: The available response trace suggests reasonably smooth on-axis and listening-window behavior, with Spinorama narrow-band-deviation values of 0.448 and 0.366 respectively. With a subwoofer its calculated preference score is 5.05, and the rear shelving controls provide some useful room and placement adjustment.
Cons: The only Spinorama data is a low-quality graph digitization rather than a Klippel measurement, so the extreme calculated bass and sound-power results should not be taken literally. That limited dataset produces a very low 0.40 full-range preference score, weak predicted in-room smoothness, and unusually inconsistent directivity. Independent high-quality measurements are still needed.
Full Focal Alpha 50 EVO review and specifications →
| App | No |
|---|---|
| Bluetooth | 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) |
| Inputs | XLR, TRS, RCA |
| Output Power | 60w Per Speaker |
| Weight | 13.2 lbs / 6.0 kg each |
- Links
- Reviews, Comparisons and Sound Samples
- Independent Measurements (spinorama.org; low-quality graph digitization)
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Kali Audio IN-UNF: $699 Kali Audio eBay
Pros: Ingenious ultra-nearfield system: a desk-mounted bass module uses two opposed 4.5-inch woofers below 280Hz, while the satellites use time-aligned 4-inch/1-inch coincident drivers. It is specifically engineered around the desk and, set up to Kali’s supplied placement template, sounded much better than it initially did to Erin; his moving-mic measurement at arm’s length closely matched the system’s predicted response. DSP provides placement, boundary and tonal trims, while USB-C, optical, 3.5mm and balanced TRS inputs cover desktop and studio sources. The round satellite enclosure avoids conventional baffle-edge diffraction, and the coaxial satellites image best aimed directly at the listener.
Cons: This is a very specialized system rather than a general desktop-speaker recommendation. The sizeable bass module must stay on the desk and prescribed satellite spacing can conflict with dual or ultrawide monitors; Erin and Joe N Tell both preferred Kali’s LP-6/IN-series alternatives for their own desks. A bump around 100-130Hz and a possible 1.2kHz diffraction feature appeared in Erin’s exploratory anechoic data, but he explicitly cautioned that those measurements do not replicate the required desk geometry. Bass falls away around 40-50Hz despite the separate bass unit. Erin did not publish comparable anechoic F3/F10, sensitivity or impedance figures because the system is designed around a fixed desk arrangement.
Full Kali Audio IN-UNF review and specifications →
| Bass Extension (-10dB) | 39Hz (manufacturer specified; Erin did not publish an anechoic F10) |
|---|---|
| Bass Extension (-3dB) | 47Hz (manufacturer specified; Erin did not publish an anechoic F3) |
| Bluetooth | No |
| Crossovers | 280Hz LF-to-midrange; 2.8kHz midrange-to-HF |
| DSP | Yes (placement/boundary and tonal trims) |
| Dimensions | Bass module: 11.6"H x 19.4"W x 5.25"D; satellites: 6.25" diameter |
| Drivers | Bass module: two opposed 4.5" woofers; satellites: 4" coincident midrange with 1" textile-dome tweeter |
| Frequency Response | 47Hz - 21kHz +/-3dB (manufacturer specified) |
| Inputs | USB-C, optical, 3.5mm, balanced TRS |
| Max SPL | 103dB peak at 1m (manufacturer specified) |
| Output Power | 100W LF + 60W mid/HF per channel (continuous) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Kali Audio IN-UNF vs Edifier S1000MKII
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