Short answer: the Topping MA4. It ranks #33 of 64 powered bookshelf speakers by sound quality at $449; the Kali Audio IN-UNF ranks #52 and costs $699, so there is not much of a tradeoff to weigh.
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.
What the Topping MA4 offers: Topping’s first loudspeaker, notable for deliberately skipping the DAC and DSP the company built its reputation on. A single balanced XLR input feeds a fully analog crossover, which Topping argues keeps the signal path free of extra conversion stages. The bass alignment measures a low Q of 0.452, rolling off cleanly rather than peaking, and extension reaches 49.8Hz at -3dB for a compact 4 inch two way, at a genuinely low price. Watch for: On axis deviation measures 0.503dB average, on the rougher side for this catalog, and listening window smoothness sits at a moderate 0.44. No USB, Bluetooth, or digital input of any kind, an unusual limitation from a DAC company and a real constraint if you want a simple all in one desktop setup. This is Topping’s first speaker with no track record in the category, and current US retail availability is limited, most confirmed stock is through European or Indian resellers.
Buy the Topping MA4. 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 64 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| Kali Audio IN-UNF | Topping MA4 | |
|---|---|---|
| Price | $699 | 449 EUR/pair |
| Ranked | #52 of 64 in Medium Size Powered Bookshelf Speakers | #33 of 64 in Medium Size Powered Bookshelf Speakers |
| Drivers | Bass module: two opposed 4.5" woofers; satellites: 4" coincident midrange with 1" textile-dome tweeter | 1" soft dome tweeter with waveguide, 4" paper cone woofer |
| Output Power | 100W LF + 60W mid/HF per channel (continuous) | - |
| Inputs | USB-C, optical, 3.5mm, balanced TRS | - |
| Bass Extension (-3dB) | 47Hz (manufacturer specified; Erin did not publish an anechoic F3) | 49.8Hz (measured, spinorama.org vendor data) |
| Bass Extension (-10dB) | 39Hz (manufacturer specified; Erin did not publish an anechoic F10) | 42.9Hz (measured, spinorama.org vendor data) |
| Frequency Response | 47Hz - 21kHz +/-3dB (manufacturer specified) | 49Hz-20kHz +/-3dB |
| Crossovers | 280Hz LF-to-midrange; 2.8kHz midrange-to-HF | - |
| Dimensions | Bass module: 11.6"H x 19.4"W x 5.25"D; satellites: 6.25" diameter | 10"H x 5.5"W x 11.3"D (255 x 140 x 288 mm) (10.04 x 5.51 x 11.34 in) |
| Max SPL | 103dB peak at 1m (manufacturer specified) | 105dB @ 1m |
| DSP | Yes (placement/boundary and tonal trims) | - |
| Bluetooth | No | - |
| Enclosure | - | ported |
| Weight | - | 8.3 lbs / 3.78 kg (8.33 lbs) each |
| Power Output (Watts) | - | 75W total (50W woofer, 25W tweeter, Class D) |
| Sensitivity | - | 92dB |
| Crossover Points | - | 1.3kHz |
| Warranty | - | 1-2 years (varies by region) |
| Country | - | China |
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Prices on this page were last checked August 25, 2026 at 6:19 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
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) |
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Topping MA4: 449 EUR/pair Audiophonics eBay
Pros: Topping’s first loudspeaker, notable for deliberately skipping the DAC and DSP the company built its reputation on. A single balanced XLR input feeds a fully analog crossover, which Topping argues keeps the signal path free of extra conversion stages. The bass alignment measures a low Q of 0.452, rolling off cleanly rather than peaking, and extension reaches 49.8Hz at -3dB for a compact 4 inch two way, at a genuinely low price.
Cons: On axis deviation measures 0.503dB average, on the rougher side for this catalog, and listening window smoothness sits at a moderate 0.44. No USB, Bluetooth, or digital input of any kind, an unusual limitation from a DAC company and a real constraint if you want a simple all in one desktop setup. This is Topping’s first speaker with no track record in the category, and current US retail availability is limited, most confirmed stock is through European or Indian resellers.
Full Topping MA4 review and specifications →
| Bass Extension (-10dB) | 42.9Hz (measured, spinorama.org vendor data) |
|---|---|
| Bass Extension (-3dB) | 49.8Hz (measured, spinorama.org vendor data) |
| Country | China |
| Crossover Points | 1.3kHz |
| Dimensions | 10"H x 5.5"W x 11.3"D (255 x 140 x 288 mm) (10.04 x 5.51 x 11.34 in) |
| Drivers | 1" soft dome tweeter with waveguide, 4" paper cone woofer |
| Enclosure | ported |
| Frequency Response | 49Hz-20kHz +/-3dB |
| Max SPL | 105dB @ 1m |
| Power Output (Watts) | 75W total (50W woofer, 25W tweeter, Class D) |
| Sensitivity | 92dB |
| Warranty | 1-2 years (varies by region) |
| Weight | 8.3 lbs / 3.78 kg (8.33 lbs) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


