Short answer: the ADAM Audio D3v. It ranks #3 of 47 powered bookshelf speakers by sound quality, rated 4.5/5, at $349.99. The Yamaha HS4 ranks #32, rated 3.1/5, at $249.99, $100 cheaper, which does not close the gap in sound quality.
The ADAM Audio D3v is the better-sounding choice. Excellent midrange linearity for a tiny desktop speaker: Erin’s Klippel data spans just 1.7dB from 300Hz to 5kHz. The catch: A rising upper-frequency balance and vertical crossover interference keep it from being uniformly neutral at every angle; aim the tweeters toward ear height.
What the Yamaha HS4 does well: Active compact desktop monitor featuring a 4.5-inch white cone woofer and a 1-inch soft dome tweeter driven by a clean 26W + 26W Class-D amplifier. The catch: Rating estimated from HS-series measured lineage.
Buy the ADAM Audio D3v. It is rated higher for sound quality, and saving $100 with the Yamaha HS4 does not make up for the sound-quality gap.
Worth knowing: the Yamaha HS4 has not been measured yet. Its rating is estimated from related models, with a likely range of 2.9 to 3.3, so treat this verdict as provisional.
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Excellent midrange linearity for a tiny desktop speaker: Erin’s Klippel data spans just 1.7dB from 300Hz to 5kHz.
Amazon $349.99 eBay
Active compact desktop monitor featuring a 4.5-inch white cone woofer and a 1-inch soft dome tweeter driven by a clean 26W + 26W Class-D amplifier.
Amazon $249.99 eBayPrices on this page were last checked October 19, 2026 at 10:32 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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Specifications Side By Side
| ADAM Audio D3v | Yamaha HS4 | |
|---|---|---|
| Price | $349.99 per pair | $249.99 per pair |
| Ranked | #3 of 47 in Small Size Powered Bookshelf Speakers | #32 of 47 in Small Size Powered Bookshelf Speakers Estimated |
| Bass Extension (-10dB) | 45Hz (measured, Erin’s Audio Corner) | - |
| Bass Extension (-3dB) | 50Hz (measured, Erin’s Audio Corner) | - |
| App | No | - |
| Bluetooth | No | No |
| Dimensions | 200H (240H on included stand) x 115W x 150D mm | 9.4” x 5.9” x 8.4” (240 x 150 x 213 mm) |
| EQ | Yes (Room adjustment filters) | - |
| Frequency Response | 48Hz - 22.6kHz (-3dB) (Manufacturer specified) | 60Hz - 22kHz (-10dB) |
| Inputs | USB-C, balanced 1/4-inch TRS | - |
| Sensitivity | 86.5dB (measured at 0.3V/1m, Erin’s Audio Corner) | - |
| Drivers | 3.5” aluminium woofer, D-ART folded ribbon tweeter, 2 x 3.5” passive radiators (each) | 1” soft dome tweeter, 4.5” cone woofer |
| Weight | 7.9 lbs (3.58 kg) (pair) | 8.2 lbs (3.7 kg) (pair total) |
| Amplifier Power | 100W RMS per speaker (70W woofer + 30W tweeter) (Manufacturer specified) | 52W (26W + 26W dynamic) |
| Maximum SPL | 98dB peak @ 1m (IEC-weighted noise, manufacturer specified) | - |
| Spinorama Preference Score | 5.37 | - |
| Spinorama Preference Score with Perfect Sub | 7.59 | - |
| XLR Input | No | - |
| RCA Input | No | - |
| TRS Input | Yes | - |
| Optical Input | No | - |
| Coaxial Input | No | - |
| USB Input | Yes | - |
| HDMI Input | No | - |
| AES Input | No | - |
| Aux Input | No | - |
| Outputs | 3.5mm headphone | - |
| Headphone Output | Yes | - |
| Crossover Frequency | - | 2.3kHz |
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