Short answer: the GR-Research NX-Studio if sound quality matters most, the AsciLab C6B if price matters most. The GR-Research NX-Studio ranks #4 of 222 bookshelf speakers, rated 4.8/5, at $3,630. The AsciLab C6B ranks #6, rated 4.7/5, at $1,145, $2,485 cheaper.
Buy the AsciLab C6B if the price is the priority over sound quality, or the GR-Research NX-Studio if sound quality is the priority over the price.
Want more options? Browse the full Passive Home rankings.
Prices on this page were last checked November 7, 2026 at 7:34 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
| AsciLab C6B | GR-Research NX-Studio | |
|---|---|---|
| Price | $1145 per pair | $3630 per pair |
| Ranked | #6 of 222 in Large Size Bookshelf Speakers | #4 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 35Hz (measured, Erin’s Audio Corner) | - |
| Bass Extension (-3dB) | 54Hz (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) | 18”H x 8.5”W x 15.5”D (457.2 x 215.9 x 393.7 mm) |
| Impedance | 4 ohms nominal, 2.6 ohms minimum (measured, Erin’s Audio Corner) | 8 ohms |
| Sensitivity | 85.6dB (measured, Erin’s Audio Corner) | 87dB |
| Drivers | 6” Aluminium Ceramic Cone with cast Aluminium Chassis woofer, 1” Aluminium Ceramic Dome tweeter | GR-Research M165NQ 6.5” paper cone, non-resonant polymer frame, copper shorting rings and aluminum phase plug sealed enclosure woofer, GR-Research Neo3 Planar Magnetic Ribbon open baffle tweeter |
| Weight | 18.5 lbs (8.4 kg) each | 20.5 lbs (9.3 kg) each |
| Woofer Cabinet | passive radiator | sealed |
| Spinorama Preference Score | 6.33 | - |
| Spinorama Preference Score with Perfect Sub | 8.28 | - |
| DIY Kit | No | Yes |
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