Short answer: the AsciLab C8C for better sound quality, the Klipsch The Sevens for the lower price. The AsciLab C8C ranks #1 of 67 powered bookshelf speakers at $5799. The Klipsch The Sevens ranks #64 at $999.99, $4799.01 cheaper.
What the AsciLab C8C offers: ASR’s revised measurement combines an 8.02 ideal-subwoofer preference score with a 1.7dB response span from 300Hz to 5kHz, supporting highly even vocal and instrumental balance. Bass reaches 30.8Hz at -3dB and 23.4Hz at -6dB, giving substantial low-end reach without an added subwoofer. Watch for: The result applies to the revised measured configuration; confirm that the speaker’s tuning matches it. Each cabinet weighs about 27.5kg and needs a substantial stand. Deep extension and excellent tonality do not guarantee unlimited bass output or eliminate the need to adjust placement.
What the Klipsch The Sevens offers: Erin reported 49Hz -3dB extension, with useful bass for ordinary music listening. HDMI, phono, USB, optical and Bluetooth connections make the system convenient for TV and music, while app controls and a subwoofer output provide adjustment options. Watch for: The review found a recessed 2-4kHz region and upper-treble emphasis, producing a scooped balance that a simple treble reduction did not fully fix. Relatively narrow horizontal coverage limits consistency across seats.
Buy the AsciLab C8C if sound quality matters more than the price. Buy the Klipsch The Sevens if the price matters more than sound quality.
Skip the Klipsch The Sevens if sound quality matters to you. It ranks near the bottom of the 67 powered bookshelf speakers.
Want more options? Browse the full Powered Home rankings.
Specifications Side By Side
| AsciLab C8C | Klipsch The Sevens | |
|---|---|---|
| Price | $6,200 per pair | $999.99 per pair |
| Ranked | #1 of 67 in Large Size Powered Bookshelf Speakers | #64 of 67 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 | 6.5" high-excursion woofer, 1" titanium tweeter on Tractrix horn |
| Dimensions | 22"H x 10"W x 13.8"D (560 x 254 x 350 mm) | 16.375"H x 8.125"W x 13.1875"D |
| Weight | 60.6 lbs (27.5 kg) each | 22.3 lbs (10.1 kg) (primary), 19.8 lbs (9 kg) (secondary) |
| Amplifier Power | 600W total (100W tweeter, 250W midrange, 250W subwoofer) | 200W total (400W peak) |
| Bass Extension (-6dB) | 23.4Hz (measured, Audio Science Review) | - |
| Bass Extension (-3dB) | 30.8Hz (measured, Audio Science Review) | 49Hz (measured, Erin's Audio Corner) |
| Bass Extension (-10dB) | 20.5Hz (measured, Audio Science Review) | 36Hz (measured, Erin's Audio Corner) |
| Crossover Frequency | 150Hz, 1.2kHz | - |
| Warranty | 2 years | - |
| Country | South Korea | - |
| Spinorama Preference Score | 7.25 | - |
| Spinorama Preference Score with Perfect Sub | 8.02 | - |
| Inputs | - | HDMI, Phono, 3.5mm, USB, Optical, Bluetooth |
| Bluetooth Codecs | - | SBC, AAC, aptX, aptX HD |
| App | - | Yes (treble/mid/bass EQ, subwoofer output, dynamic bass mode) |
| Woofer Cabinet | - | ported, rear flared port |
| Subwoofer Output | - | Yes |
| Outputs | - | Subwoofer |
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Prices on this page were last checked September 16, 2026 at 12:41 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
AsciLab C8C: $6,200 per pair Audiophonics eBay
Pros: ASR’s revised measurement combines an 8.02 ideal-subwoofer preference score with a 1.7dB response span from 300Hz to 5kHz, supporting highly even vocal and instrumental balance. Bass reaches 30.8Hz at -3dB and 23.4Hz at -6dB, giving substantial low-end reach without an added subwoofer. Measured bass extension of 30.8Hz (-3dB).
Cons: The result applies to the revised measured configuration; confirm that the speaker’s tuning matches it. Each cabinet weighs about 27.5kg and needs a substantial stand. Deep extension and excellent tonality do not guarantee unlimited bass output or eliminate the need to adjust placement.
Full AsciLab C8C review and specifications →
| Amplifier Power | 600W total (100W tweeter, 250W midrange, 250W subwoofer) |
|---|---|
| Bass Extension (-10dB) | 20.5Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 30.8Hz (measured, Audio Science Review) |
| Bass Extension (-6dB) | 23.4Hz (measured, Audio Science Review) |
| Country | South Korea |
| Crossover Frequency | 150Hz, 1.2kHz |
| Dimensions | 22"H x 10"W x 13.8"D (560 x 254 x 350 mm) |
| Drivers | 1" alumina ceramic dome tweeter with waveguide, 2x 6" alumina ceramic midrange/woofers, 2x 8" side mounted opposed cardioid subwoofers |
| Enclosure | sealed |
| Spinorama Preference Score | 7.25 |
| Spinorama Preference Score with Perfect Sub | 8.02 |
| Warranty | 2 years |
| Weight | 60.6 lbs (27.5 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Klipsch The Sevens: $999.99 per pair Amazon eBay
Pros: Erin reported 49Hz -3dB extension, with useful bass for ordinary music listening. HDMI, phono, USB, optical and Bluetooth connections make the system convenient for TV and music, while app controls and a subwoofer output provide adjustment options. Measured bass extension of 49Hz (-3dB).
Cons: The review found a recessed 2-4kHz region and upper-treble emphasis, producing a scooped balance that a simple treble reduction did not fully fix. Relatively narrow horizontal coverage limits consistency across seats.
Full Klipsch The Sevens review and specifications →
| Amplifier Power | 200W total (400W peak) |
|---|---|
| App | Yes (treble/mid/bass EQ, subwoofer output, dynamic bass mode) |
| Bass Extension (-10dB) | 36Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 49Hz (measured, Erin's Audio Corner) |
| Bluetooth Codecs | SBC, AAC, aptX, aptX HD |
| Dimensions | 16.375"H x 8.125"W x 13.1875"D |
| Drivers | 6.5" high-excursion woofer, 1" titanium tweeter on Tractrix horn |
| Inputs | HDMI, Phono, 3.5mm, USB, Optical, Bluetooth |
| Outputs | Subwoofer |
| Subwoofer Output | Yes |
| Weight | 22.3 lbs (10.1 kg) (primary), 19.8 lbs (9 kg) (secondary) |
| Woofer Cabinet | ported, rear flared port |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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