Short answer: the AsciLab C6B. It ranks #6 of 222 bookshelf speakers by sound quality, rated 4.7/5, at $1,145; the Wharfedale Aura 2 ranks #13, rated 4.6/5, and costs $2,799, so there is little reason to consider the other one.
What the AsciLab C6B does well: Bookshelf speakers with very accurate sound and an unusually wide, stable soundstage, for any seating position. The catch: Bass rolls off around 50Hz in-room (F3 54Hz, F10 35Hz), so a subwoofer is needed for real extension below that.
Why pick the Wharfedale Aura 2: A mini tower style bookshelf speaker with nearly flat response, huge clean output, wide sound, and bass that reaches deep in most rooms. The catch: A breakup/peak around 13kHz can sound sharp or shrill depending on the track, the main tonal flaw noted.
Buy the AsciLab C6B. It is rated higher for sound quality than the Wharfedale Aura 2 and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Want more options? Browse the full Passive Home rankings.
Bookshelf speakers with very accurate sound and an unusually wide, stable soundstage, for any seating position.
A mini tower style bookshelf speaker with nearly flat response, huge clean output, wide sound, and bass that reaches deep in most rooms.
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Specifications Side By Side
| AsciLab C6B | Wharfedale Aura 2 | |
|---|---|---|
| Price | $1145 per pair | $2799 per pair |
| Ranked | #6 of 222 in Large Size Bookshelf Speakers | #13 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 35Hz (measured, Erin’s Audio Corner) | 30Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 54Hz (measured, Erin’s Audio Corner) | 56Hz (measured, Erin’s Audio Corner) |
| Dimensions | 15.7”H x 8”W x 10.4”D (398.8 x 203.2 x 264.2 mm) | 22.1”H x 11.3”W x 15.3”D (561.3 x 287 x 388.6 mm) |
| Impedance | 4 ohms nominal, 2.6 ohms minimum (measured, Erin’s Audio Corner) | 6 ohms nominal (3.1 ohms minimum above 80Hz, measured, Erin’s Audio Corner) |
| Sensitivity | 85.6dB (measured, Erin’s Audio Corner) | 87dB (measured, Erin’s Audio Corner) |
| Drivers | 6” Aluminium Ceramic Cone with cast Aluminium Chassis woofer, 1” Aluminium Ceramic Dome tweeter | 6.5” Black Glass Fibre Matrix Cone woofer, 4” Black Glass Fibre Matrix Cone midrange, 27x90mm AMT tweeter |
| Weight | 18.5 lbs (8.4 kg) each | 45 lbs (20.4 kg) each |
| Woofer Cabinet | passive radiator | ported, rear |
| Spinorama Preference Score | 6.33 | 6.03 |
| Spinorama Preference Score with Perfect Sub | 8.28 | 7.65 |
| DIY Kit | No | No |
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