Short answer: the AsciLab C8C. It ranks #1 of 119 powered bookshelf speakers by sound quality (rated 4.9/5); the HEDD Type 20 MK2 ranks #26 (rated 4.5/5).
The AsciLab C8C is the more accurate option. Excellent large powered monitors, with extremely accurate sound and bass deep enough to skip a subwoofer. Its measured preference score, a predictor of how neutral it sounds, is 7.70 against 6.11 for the HEDD Type 20 MK2. Watch for: The result applies to the revised measured configuration; confirm that the speaker’s tuning matches it.
What the HEDD Type 20 MK2 does well: Three-way studio monitors with balanced mids, useful deep bass, and switchable ported or sealed bass for different needs. Watch for: These results are for ported operation, not every bass or phase setting.
Buy the AsciLab C8C. It is rated higher for sound quality than the HEDD Type 20 MK2.
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Excellent large powered monitors, with extremely accurate sound and bass deep enough to skip a subwoofer.
Three-way studio monitors with balanced mids, useful deep bass, and switchable ported or sealed bass for different needs.
Prices on this page were last checked October 31, 2026 at 7:11 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 C8C | HEDD Type 20 MK2 | |
|---|---|---|
| Price | €5799 per pair | $4,798 per pair |
| Ranked | #1 of 119 in Large Size Powered Bookshelf Speakers | #26 of 119 in Large Size Powered Bookshelf Speakers |
| Enclosure | sealed | - |
| Drivers | 1” alumina ceramic dome tweeter with waveguide, 2x 6” alumina ceramic midrange/woofers, 2x 8” side mounted opposed cardioid subwoofers | 7” honeycomb composite woofer, 4” honeycomb composite midrange, HEDD AMT (Air Motion Transformer) tweeter |
| Dimensions | 22”H x 10”W x 13.8”D (560 x 254 x 350 mm) | 14.1”H x 11”W x 13.3”D (358.1 x 279.4 x 337.8 mm) |
| Weight | 60.6 lbs (27.5 kg) each | 34 lbs (15.4 kg) each |
| Amplifier Power | 600W total (100W tweeter, 250W midrange, 250W subwoofer) | 900W (3x300W) |
| Bass Extension (-6dB) | 23.4Hz (measured, Audio Science Review) | - |
| Bass Extension (-3dB) | 30.8Hz (measured, Audio Science Review) | 32Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 20.5Hz (measured, Audio Science Review) | 26Hz (measured, Audio Science Review) |
| Crossover Frequency | 150Hz, 1.2kHz | - |
| Warranty | 2 years | - |
| Country | South Korea | - |
| Spinorama Preference Score | 7.70 | 6.11 |
| Spinorama Preference Score with Perfect Sub | 8.48 | 7.69 |
| Inputs | XLR, RCA, AES/EBU, Coaxial, Optical | XLR (Analog/AES) |
| XLR Input | Yes | Yes |
| RCA Input | Yes | No |
| TRS Input | No | No |
| Optical Input | Yes | No |
| Coaxial Input | Yes | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | Yes | Yes |
| Aux Input | No | No |
| Bluetooth | No | No |
| Frequency Response | 30Hz - 20kHz (±1.5dB) (Manufacturer specified) | 32Hz - 40kHz (Manufacturer specified) |
| App | - | Yes (HEDD CTRL) |
| DSP | - | Yes (96kHz/32-bit) |
| EQ | - | Yes (Desk filter, shelf filters) |
| Outputs | - | XLR (AES pass-through) |
| Maximum SPL | - | 120dB @ 1m (per pair) (manufacturer specified) |
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