Short answer: the Yamaha HS8 for better sound quality, the Thomann Swissonic A306 for the lower price. The Yamaha HS8 ranks #15 of 61 powered bookshelf speakers at $678.28. The Thomann Swissonic A306 ranks #29 at $250, $428.28 cheaper.
What the Yamaha HS8 offers: ASR’s Klippel measurements show a notably neutral predicted in-room response, smooth horizontal directivity, and strong bass extension for a studio monitor: about 44Hz at -3dB and 35Hz at -10dB. Its Spinorama preference score rises from 4.95 full-range to 6.68 with a subwoofer, and the rear room-control switches provide some placement adjustment. Watch for: There is still some midrange unevenness and the vertical listening window is much narrower than the horizontal one, so ear height matters. The rear port and cabinet depth complicate close-wall placement, there is no DSP or automatic room correction, and the price is per speaker rather than per pair.
What the Thomann Swissonic A306 offers: Powered two-way desktop/nearfield design with a shaped waveguide around the 1” silk dome tweeter and a 6.5” woofer, giving very good dispersion control - about ±60° horizontal, wider and more consistent than its closest direct comparison, the JBL 306 MK2. Overall a neutral, smooth speaker once the rear-panel DSP trims are dialed in: dropping the tweeter trim by 2dB and raising the bass trim by 2dB got the reviewer to a response he had no real complaints about. XLR and RCA inputs plus a standby function. Erin directly preferred this over the JBL 306 MK2 in his side-by-side comparison, primarily due to more consistent directivity. Genuinely good value for the price, especially for European buyers who avoid the international shipping premium. Watch for: Out of the box has an audible treble rise (symbols/sibilants get a bit of extra emphasis) and a mild dip in the lower mid-range/vocal region (200-400Hz) that the reviewer wished were filled in a bit more - both are addressable with the rear DSP switches, but that means the speaker needs some setup time to sound its best rather than being right out of the box. US buyers face real added cost: the speaker ships from Germany with a EU plug, and after ~$60/speaker shipping plus needing a EU-to-US adapter or IEC cable, all-in cost lands around $370-385/pair rather than the $250 sticker price.
Buy the Yamaha HS8 if sound quality matters more than the price. Buy the Thomann Swissonic A306 if the price matters more than sound quality.
Specifications Side By Side
| Yamaha HS8 | Thomann Swissonic A306 | |
|---|---|---|
| Price | $678.28 | $250 |
| Ranked | #15 of 61 in Large Size Powered Bookshelf Speakers | #29 of 61 in Large Size Powered Bookshelf Speakers |
| Dimensions | 15.4"H x 9.8"W x 13.1"D (391.2 x 248.9 x 332.7 mm) | 8.8"W x 14.2"H x 11.1"D (224 x 361 x 282 mm) |
| Frequency Response | 47Hz - 24kHz (-3dB) (Manufacturer specified) | 43Hz - 20kHz (manufacturer specified) |
| Bass Extension (-3dB) | 43.9Hz (measured, Audio Science Review) | 43Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 34.7Hz (measured, Audio Science Review) | 34Hz (measured, Erin’s Audio Corner) |
| Inputs | XLR | XLR (balanced), RCA (unbalanced) |
| Weight | 22.5 lbs / 10.2 kg | 13.6 lbs / 6.17 kg each |
| Drivers | 8" woofer, 1" dome tweeter | 6.5" woofer, 1" silk dome tweeter with waveguide |
| App | No | - |
| Bluetooth | No | - |
| EQ | Yes (Room adjustment) | - |
| DSP | No | Yes (rear-panel treble/bass trim, wall/near-wall placement switches) |
| Output Power | 120w Per Speaker | 100W bi-amplified total (50W + 50W, Class D) |
| Crossover Frequency | - | 2600Hz |
| Sensitivity | - | 89.9dB (measured at 0.3V/1m, Erin’s Audio Corner) |
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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
Yamaha HS8: $678.28 Amazon eBay
Pros: ASR’s Klippel measurements show a notably neutral predicted in-room response, smooth horizontal directivity, and strong bass extension for a studio monitor: about 44Hz at -3dB and 35Hz at -10dB. Its Spinorama preference score rises from 4.95 full-range to 6.68 with a subwoofer, and the rear room-control switches provide some placement adjustment.
Cons: There is still some midrange unevenness and the vertical listening window is much narrower than the horizontal one, so ear height matters. The rear port and cabinet depth complicate close-wall placement, there is no DSP or automatic room correction, and the price is per speaker rather than per pair.
Full Yamaha HS8 review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 34.7Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 43.9Hz (measured, Audio Science Review) |
| Bluetooth | No |
| DSP | No |
| Dimensions | 15.4"H x 9.8"W x 13.1"D (391.2 x 248.9 x 332.7 mm) |
| Drivers | 8" woofer, 1" dome tweeter |
| EQ | Yes (Room adjustment) |
| Frequency Response | 47Hz - 24kHz (-3dB) (Manufacturer specified) |
| Inputs | XLR |
| Output Power | 120w Per Speaker |
| Weight | 22.5 lbs / 10.2 kg |
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review: Yamaha HS8 Studio Monitor Review More from Audio Science Review →
- Sercan Solmaz: Adam Audio T8V vs Yamaha HS8 vs KRK Rokit 8 (STUDIO SPEAKER SOUND TEST)
- DSAUDIO.review: DSAUDIO.review Edifier R2850DB vs Yamaha HS8 sound.DEMO More from DSAUDIOreview →
- DSAUDIO.review: DSAUDIO.review Adam Audio A7X vs Yamaha HS8 sound.DEMO
- DSAUDIO.review: Yamaha HS7 vs Yamaha HS8 Sound & Frequency Response Comparison
- DSAUDIO.review: Yamaha HS8 vs Yamaha HS5 Sound & Frequency Response Comparison
- DSAUDIO.review: Genelec 8020D vs Yamaha HS8 Sound & Frequency Response Comparison
- DSAUDIO.review: DSAUDIO.review APS Klasik 2020 vs Yamaha HS8 sound.DEMO
- DSAUDIO.review: DSAUDIO.review Focal Alpha 65 EVO vs Yamaha HS8 sound.DEMO
- DSAUDIO.review: Yamaha HS8 vs PreSonus Eris E8 XT Sound & Frequency Response Comparison
- DSAUDIO.review: Yamaha HS8 vs Kali Audio LP-8 Sound & Frequency Response Comparison
- DSAUDIO.review: KRK Rokit 8 G4 RP8G4 vs Yamaha HS8 Sound & Frequency Response Comparison
- DSAUDIO.review: Neumann KH80 DSP vs Yamaha HS8 Sound & Frequency Response Comparison
- DSAUDIO.review: Yamaha HS8 vs IK Multimedia iLoud MTM Sound & Frequency Response Comparison
- Audio Science Review Measurements (spinorama.org)
- Reddit Search for Yamaha HS8 Review
- Head-to-Head Comparisons
Thomann Swissonic A306: $250 Thomann eBay
Pros: Powered two-way desktop/nearfield design with a shaped waveguide around the 1” silk dome tweeter and a 6.5” woofer, giving very good dispersion control - about ±60° horizontal, wider and more consistent than its closest direct comparison, the JBL 306 MK2. Overall a neutral, smooth speaker once the rear-panel DSP trims are dialed in: dropping the tweeter trim by 2dB and raising the bass trim by 2dB got the reviewer to a response he had no real complaints about. XLR and RCA inputs plus a standby function. Erin directly preferred this over the JBL 306 MK2 in his side-by-side comparison, primarily due to more consistent directivity. Genuinely good value for the price, especially for European buyers who avoid the international shipping premium.
Cons: Out of the box has an audible treble rise (symbols/sibilants get a bit of extra emphasis) and a mild dip in the lower mid-range/vocal region (200-400Hz) that the reviewer wished were filled in a bit more - both are addressable with the rear DSP switches, but that means the speaker needs some setup time to sound its best rather than being right out of the box. US buyers face real added cost: the speaker ships from Germany with a EU plug, and after ~$60/speaker shipping plus needing a EU-to-US adapter or IEC cable, all-in cost lands around $370-385/pair rather than the $250 sticker price.
Full Thomann Swissonic A306 review and specifications →
| Bass Extension (-10dB) | 34Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 43Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 2600Hz |
| DSP | Yes (rear-panel treble/bass trim, wall/near-wall placement switches) |
| Dimensions | 8.8"W x 14.2"H x 11.1"D (224 x 361 x 282 mm) |
| Drivers | 6.5" woofer, 1" silk dome tweeter with waveguide |
| Frequency Response | 43Hz - 20kHz (manufacturer specified) |
| Inputs | XLR (balanced), RCA (unbalanced) |
| Output Power | 100W bi-amplified total (50W + 50W, Class D) |
| Sensitivity | 89.9dB (measured at 0.3V/1m, Erin's Audio Corner) |
| Weight | 13.6 lbs / 6.17 kg each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons