Short answer: the JBL 4329P on measured sound quality, the Focal Twin6 Be on price. The JBL 4329P ranks #44 of 66 powered bookshelf speakers at $4500. The Focal Twin6 Be ranks #60 at $2200, $2300 cheaper.
What the JBL 4329P offers: Genuinely full-range performance for a bookshelf-style speaker - anechoic response extends to 30Hz (measured F3 31Hz), reaching into the low 20s Hz range in-room depending on placement, with strong bass authority rather than a… Watch for: No HDMI input, a real drawback if you want to run these directly off a TV’s ARC.
What the Focal Twin6 Be offers: High-output 2.5-way studio monitor with an inverted beryllium tweeter and two 6.5-inch W-composite drivers, one covering bass/midrange and the other reinforcing only 40-150Hz. Watch for: The response and directivity are not as uniformly neutral as newer waveguided three-way monitors, and Erin suspected intermodulation-related roughness even though conventional harmonic distortion was low.
Buy the JBL 4329P when sound quality outweighs the price for you, and the Focal Twin6 Be when the price outweighs sound quality instead.
Skip the Focal Twin6 Be if sound quality matters to you. It ranks near the bottom of the 66 powered bookshelf speakers.
Specifications Side By Side
| JBL 4329P | Focal Twin6 Be | |
|---|---|---|
| Price | $4,500 | $2,200 each |
| Ranked | #44 of 66 in Large Size Powered Bookshelf Speakers | #60 of 66 in Large Size Powered Bookshelf Speakers |
| Drivers | 8" midwoofer, 1" compression driver with JBL High-Definition Imaging horn | 1" inverted beryllium tweeter; dual 6.5" W-cone drivers |
| Dimensions | 20.3"H x 12.6"W x 12.7"D | - |
| Weight | 34.5 lbs (primary), 34.3 lbs (secondary) | - |
| Sensitivity | 102.2dB (measured at 0.3V/1m, Erin’s Audio Corner) | Not applicable (active studio monitor) |
| Bass Extension (-3dB) | 31Hz (measured, Erin’s Audio Corner) | 48.3Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 27Hz (measured, Erin’s Audio Corner) | 39.1Hz (measured, Erin’s Audio Corner) |
| Frequency Response | 30Hz - 20kHz (anechoic, manufacturer specified) | - |
| Inputs | USB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2 | Balanced XLR with +4dBu/-10dBV sensitivity |
| Bluetooth Codecs | SBC, aptX Adaptive | - |
| Woofer Cabinet | ported | - |
| Bass Extension | - | 40Hz manufacturer specified; Erin measured strong low-frequency linearity |
| Amplification | - | 150W LF + 100W LF/MF + 100W HF |
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How JBL 4329P compares with other leading options:
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Prices on this page were last checked September 8, 2026 at 6:02 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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The Two Speakers In Full
JBL 4329P: $4,500 Amazon eBay
Pros: Measured -3dB extension of 32.2Hz provides deeper native bass than the smaller 4305P. Integrated amplification and streaming make it convenient for a full-range living-room system, and its larger format is useful when scale matters.
Cons: The measured 4.5dB response span from 300Hz to 5kHz includes a notable midrange dip, so it is not as neutral as its size and price might suggest. Its 5.83 ideal-subwoofer score trails the 4305P. There is no HDMI connection for the simplest TV hookup.
Full JBL 4329P review and specifications →
| Bass Extension (-10dB) | 27Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 31Hz (measured, Erin's Audio Corner) |
| Bluetooth Codecs | SBC, aptX Adaptive |
| Dimensions | 20.3"H x 12.6"W x 12.7"D |
| Drivers | 8" midwoofer, 1" compression driver with JBL High-Definition Imaging horn |
| Frequency Response | 30Hz - 20kHz (anechoic, manufacturer specified) |
| Inputs | USB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2 |
| Sensitivity | 102.2dB (measured at 0.3V/1m, Erin's Audio Corner) |
| Weight | 34.5 lbs (primary), 34.3 lbs (secondary) |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Focal Twin6 Be: $2,200 each Amazon eBay
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.
Cons: The horizontal measurement scores 5.33 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.
Full Focal Twin6 Be review and specifications →
| Amplification | 150W LF + 100W LF/MF + 100W HF |
|---|---|
| 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) |
| Drivers | 1" inverted beryllium tweeter; dual 6.5" W-cone drivers |
| Inputs | Balanced XLR with +4dBu/-10dBV sensitivity |
| Sensitivity | Not applicable (active studio monitor) |
- Links
- Reviews, Comparisons and Sound Samples
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