Short answer: the Kali LP-UNF. It ranks #33 of 67 powered bookshelf speakers by sound quality, rated 3.9/5, at $349; the Audioengine HD3 ranks #17, rated 3.2/5, and costs $359, so there is little reason to consider the other one.
On the Kali LP-UNF side: 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 LP-UNF. It is rated higher for sound quality than the Audioengine HD3 and costs less, so there is no real case for the other one.
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Specifications Side By Side
| Audioengine HD3 | Kali LP-UNF | |
|---|---|---|
| Price | $359.00 per pair | $349.00 per pair |
| Ranked | #17 of 24 in Small Size Powered Bookshelf Speakers | #33 of 67 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 9"H x 5.5"W x 6.5"D (228.6 x 139.7 x 165.1 mm) | 10"H x 6.5"W x 7.4"D (254 x 165 x 188 mm) |
| Frequency Response | 65 Hz-20 kHz (-3dB) (Manufacturer specified) | 39Hz - 25kHz (-10dB) (Manufacturer specified) |
| Inputs | Bluetooth, Aux, RCA Input | Bluetooth, USB-C (digital), RCA, TRS |
| Outputs | RCA variable output (subwoofer) | - |
| Weight | 7.3 lbs (3.3 kg) | 17.2 lbs (7.8 kg) |
| Drivers | 2.75" woofer, 0.75" silk dome tweeter | 4.5" woofer, 1" Textile Dome tweeter |
| App | No | No |
| Bass Extension (-10dB) | 58Hz | 39Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 65Hz | 54Hz (measured, Erin's Audio Corner) |
| Bluetooth | Yes | No |
| Bluetooth Codecs | SBC, aptX | - |
| Bluetooth Version | 5.0 | - |
| EQ | No | No |
| Amplifier Power | 30W total (15W per speaker) | 160W total (Class D, 2-channel bi-amped) |
| Maximum SPL | 90dB @ 1m (manufacturer specified) | - |
| Subwoofer Output | Yes | - |
| XLR Input | No | No |
| RCA Input | Yes | Yes |
| TRS Input | No | Yes |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | Yes |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | Yes | No |
| 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 |
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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
Audioengine HD3: $359.00 per pair Amazon eBay
Pros: A compact desktop stereo option when cabinet size is a priority. Measured bass extension of 65Hz (-3dB).
Cons: Limited bass makes a subwoofer useful for fuller music reproduction. Its compact format is better suited to close listening than filling a large room.
Full Audioengine HD3 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 30W total (15W per speaker) |
| App | No |
| Aux Input | Yes |
| Bass Extension (-10dB) | 58Hz |
| Bass Extension (-3dB) | 65Hz |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, aptX |
| Bluetooth Version | 5.0 |
| Coaxial Input | No |
| Dimensions | 9"H x 5.5"W x 6.5"D (228.6 x 139.7 x 165.1 mm) |
| Drivers | 2.75" woofer, 0.75" silk dome tweeter |
| EQ | No |
| Frequency Response | 65 Hz-20 kHz (-3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Bluetooth, Aux, RCA Input |
| Maximum SPL | 90dB @ 1m (manufacturer specified) |
| Optical Input | No |
| Outputs | RCA variable output (subwoofer) |
| RCA Input | Yes |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | No |
| Weight | 7.3 lbs (3.3 kg) |
| XLR Input | No |
- Links
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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)
- Jasper Tech: Best Desktop Computer Speakers for Every Budget – 2026 More from Jasper Tech →
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