Short answer: the Genelec 8351B. It ranks #4 of 113 powered bookshelf speakers by sound quality (rated 4.8/5) at $9,900 and is still sold new; the Focal Twin6 Be ranks #101 (rated 3.8/5) and is discontinued, so it is only an option used. The Focal Twin6 Be’s replacement, the Focal ST6 Twin6, is rated 3.8/5.
The case for the Focal Twin6 Be: The dual-woofer arrangement offers useful output capability for studio work, with a 48.3Hz measured -3dB point in the horizontal test. Watch for: The horizontal measurement scores 6.06 with an ideal subwoofer and spans 2.9dB from 300Hz to 5kHz.
The Genelec 8351B is the better-sounding, deeper-bass option. The vertical ASR measurement scores 7.75 with an ideal subwoofer and reaches 35.2Hz at -3dB. Its bass reaches about 33Hz before falling 3dB, against 48.3Hz for the Focal Twin6 Be. The catch: Bass distortion increases at higher playback levels, so a subwoofer remains useful for demanding material.
Buy the Genelec 8351B. It is rated higher for sound quality and still sold new, while the Focal Twin6 Be is discontinued.
Still deciding? The full Powered Home rankings cover every ranked option.
Specifications Side By Side
| Focal Twin6 Be | Genelec 8351B | |
|---|---|---|
| Price | Discontinued | $9,900 per pair |
| Ranked | #101 of 113 in Large Size Powered Bookshelf Speakers | #4 of 113 in Large Size Powered Bookshelf Speakers |
| Bass Extension | 40Hz manufacturer specified; Erin measured strong low-frequency linearity | - |
| Bass Extension (-3dB) | 48.3Hz (measured, Erin’s Audio Corner) | 33Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 39.1Hz (measured, Erin’s Audio Corner) | 28Hz (measured, Audio Science Review) |
| Drivers | 1” inverted beryllium tweeter; dual 6.5” W-cone drivers | 8.6” woofer, 5” coaxial with tweeter midrange, 0.75” (19mm) coaxial tweeter |
| Amplifier Power | 150W LF + 100W LF/MF + 100W HF | 550w Per Speaker |
| Inputs | Balanced XLR with +4dBu/-10dBV sensitivity | XLR |
| Spinorama Preference Score | 4.04 | - |
| Spinorama Preference Score with Perfect Sub | 6.06 | - |
| XLR Input | Yes | Yes |
| RCA Input | No | No |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Bluetooth | No | No |
| Dimensions | 9.8” x 19.7” x 13.4” (250 x 500 x 340 mm) (H x W x D) | 17”H x 11.3”W x 10.9”D (431.8 x 287 x 276.9 mm) |
| Frequency Response | 40Hz - 40kHz (±3dB) (Manufacturer specified) | 32Hz - 40kHz (±1.5dB) (Manufacturer specified) |
| Weight | 48.5 lbs (22 kg) | 31.1 lbs (14.1 kg) each |
| App | - | Yes (GLM) |
| DSP | - | Yes |
| EQ | - | Yes (via GLM software) |
| Maximum SPL | - | 113dB @ 1m (manufacturer specified) |
Related Speaker Comparisons
More worthwhile head-to-heads for Genelec 8351B:
- Genelec 8351B vs Neumann KH420
- Genelec 8351B vs Genelec 8361A
- Genelec 8351B vs Neumann KH 150
- Genelec 8351B vs Aalto Speakers Aalto 3 Active Pro
- Genelec 8351B vs Neumann KH 310 A
Prices on this page were last checked October 7, 2026 at 9:25 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Focal Twin6 Be Discontinued eBay
Newer model: the Focal ST6 Twin6, ranked lower, estimated 3.8/5.
Pros: The dual-woofer arrangement offers useful output capability for studio work, with a 48.3Hz measured -3dB point in the horizontal test. Its professional controls and format can suit a dedicated monitoring installation. Measured bass extension of 48.3Hz (-3dB).
Cons: The horizontal measurement scores 6.06 with an ideal subwoofer and spans 2.9dB from 300Hz to 5kHz. Off-axis variation limits tonal consistency across listening positions. Orientation matters, and neither the beryllium tweeter nor the additional woofer makes its measured balance class-leading. Erin suspected intermodulation-related roughness even though harmonic distortion measured low. Discontinued.
Full Focal Twin6 Be review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 150W LF + 100W LF/MF + 100W HF |
| Aux Input | No |
| Bass Extension | 40Hz manufacturer specified; Erin measured strong low-frequency linearity |
| Bass Extension (-10dB) | 39.1Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 48.3Hz (measured, Erin’s Audio Corner) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 9.8” x 19.7” x 13.4” (250 x 500 x 340 mm) (H x W x D) |
| Drivers | 1” inverted beryllium tweeter; dual 6.5” W-cone drivers |
| Frequency Response | 40Hz - 40kHz (±3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | Balanced XLR with +4dBu/-10dBV sensitivity |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 4.04 |
| Spinorama Preference Score with Perfect Sub | 6.06 |
| TRS Input | No |
| USB Input | No |
| Weight | 48.5 lbs (22 kg) |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Focal Twin6 Be vs Edifier R2850DB
- Focal Twin6 Be vs Ex Machina Pulsar MKII
- Focal Twin6 Be vs Klipsch The Sevens
- Focal Twin6 Be vs Kali Audio LP-8
- Focal Twin6 Be vs Adam Audio T7V
- Focal Twin6 Be vs Adam Audio T8V
- Focal Twin6 Be vs PMC result6
- Focal Twin6 Be vs Ocean Way Audio HR5
- See all 35 comparisons
Genelec 8351B: $9,900 per pair B&H Photo Video eBay
Older model: the Genelec 8351A (ranked lower, estimated 4.6/5).
Same family: the Genelec 8331A (smaller bookshelf, rated 4.8/5), the Genelec 8341A (smaller bookshelf, ranked lower, rated 4.8/5), the Genelec 8361A (larger bookshelf, ranked lower, rated 4.8/5) and the Genelec 8381A (floorstanding, estimated 4.9/5).
Pros: The vertical ASR measurement scores 7.75 with an ideal subwoofer and reaches 35.2Hz at -3dB. Coaxial midrange and treble help maintain consistent sound as the listening angle changes. Low measured distortion at ordinary listening levels and GLM calibration make it a strong precision-monitoring choice. Measured bass extension of 33Hz (-3dB).
Cons: Bass distortion increases at higher playback levels, so a subwoofer remains useful for demanding material. Upper-treble distortion in the test also cautions against assuming unlimited output. Calibration hardware adds to an already expensive system, and the quoted result is for the measured vertical orientation.
Full Genelec 8351B review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 550w Per Speaker |
| App | Yes (GLM) |
| Aux Input | No |
| Bass Extension (-10dB) | 28Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 33Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| DSP | Yes |
| Dimensions | 17”H x 11.3”W x 10.9”D (431.8 x 287 x 276.9 mm) |
| Drivers | 8.6” woofer, 5” coaxial with tweeter midrange, 0.75” (19mm) coaxial tweeter |
| EQ | Yes (via GLM software) |
| Frequency Response | 32Hz - 40kHz (±1.5dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR |
| Maximum SPL | 113dB @ 1m (manufacturer specified) |
| Optical Input | No |
| RCA Input | No |
| TRS Input | No |
| USB Input | No |
| Weight | 31.1 lbs (14.1 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Genelec 8351B vs Neumann KH420
- Genelec 8351B vs Genelec 8361A
- Genelec 8351B vs Neumann KH 150
- Genelec 8351B vs Aalto Speakers Aalto 3 Active Pro
- Genelec 8351B vs Neumann KH 310 A
- Genelec 8351B vs HEDD Type 20 MK2
- Genelec 8351B vs SHIVAUDYO Point Zero
- Genelec 8351B vs JBL 308P MKII
- See all 25 comparisons