The Thomann Swissonic A306 ranks #30 out of 66 total Large Size Powered Bookshelf Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.
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#30 Thomann Swissonic A306: $250 Thomann eBay
Pros: With the treble control set to -2dB, Erin measured a 6.40 ideal-subwoofer score and 43.9Hz -3dB bass extension. This is a useful affordable monitoring option when carefully set up, with onboard controls for basic tonal adjustment.
Cons: The published result is not the flat-control setting: it specifically uses -2dB treble. Even then, the response spans 2.8dB from 300Hz to 5kHz, so balance is not as even as the leaders. Bass output and vertical listening position remain practical limitations.
How it compares: Just above it: Focal Solo6 ST6 - $1249 more. Just below it: Kali Audio LP-6 - $48 more, 20W less output power.
| 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 |
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