Short answer: the JBL 4329P for better sound quality, the Emotiva Airmotiv 6s for the lower price. The JBL 4329P ranks #21 of 62 powered bookshelf speakers at $4500. The Emotiva Airmotiv 6s ranks #60 at $400, $4100 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 rolled-off, thin low end. Wide, constant horizontal directivity through the midrange and into the treble (about ±60°, wider than most horn-loaded designs which tend to run closer to ±40°) gives a wide, stable stereo image without needing to toe the speakers out and lose top-end energy. The reviewer listened for an hour-long sessions repeatedly without listener fatigue, across two very different rooms, with consistently great results in both. Extensive connectivity: USB, Optical, Bluetooth, analog, 3.5mm, AirPlay 2, and 24-bit/192kHz support; comes with a remote. Watch for: No HDMI input, a real drawback if you want to run these directly off a TV’s ARC. The supplied ethernet link cable between the two speakers is short - workable at close range but not long enough for wider speaker placement, so budget for a longer aftermarket cable if your setup needs it. A dip around 900Hz shows up in the on-axis measurement that the reviewer couldn’t fully explain (ruled out the ports as the cause, suspects cabinet edge diffraction), though it wasn’t something that bothered him in listening. At $4,500/pair, this is a serious investment for a bookshelf-format speaker.
What the Emotiva Airmotiv 6s offers: CEA2034 spinorama shows lots of bass energy below 300Hz and the ability to play louder than a JBL 305P MKII comparison unit. Bi-amped design with 100W (tweeter) plus 110W (woofer) drives a 6.5” AirMotiv low-frequency transducer and AMT-style tweeter. Watch for: A suckout between 300-600Hz on the listening window is followed by a peak from 600Hz up. The built-in EQ options don’t fix this - one preset has the same dip plus a 3-7kHz peak. Vertical response droops at the 2.5kHz crossover. The reviewer’s verdict: there’s no reason to buy a speaker with a suckout in the upper bass if you have a choice.
Buy the JBL 4329P if sound quality matters more than the price. Buy the Emotiva Airmotiv 6s if the price matters more than sound quality.
If sound quality matters at all to you, skip the Emotiva Airmotiv 6s. It ranks near the bottom of the 62 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| JBL 4329P | Emotiva Airmotiv 6s | |
|---|---|---|
| Price | $4,500 | $400 Discontinued |
| Ranked | #21 of 62 in Large Size Powered Bookshelf Speakers | #60 of 62 in Large Size Powered Bookshelf Speakers |
| Drivers | 8" midwoofer, 1" compression driver with JBL High-Definition Imaging horn | 6.5" AirMotiv low-frequency transducer, 60x32mm AirMotiv tweeter |
| Dimensions | 20.3"H x 12.6"W x 12.7"D | - |
| Weight | 34.5 lbs (primary), 34.3 lbs (secondary) | 24.9 lbs / 11.3 kg each |
| Sensitivity | 102.2dB (measured at 0.3V/1m, Erin’s Audio Corner) | - |
| Bass Extension (-3dB) | 31Hz (measured, Erin’s Audio Corner) | 72Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 27Hz (measured, Erin’s Audio Corner) | 55Hz (measured, Audio Science Review) |
| Frequency Response | 30Hz - 20kHz (anechoic, manufacturer specified) | 42Hz - 25kHz (+0/-3dB) (Manufacturer specified) |
| Inputs | USB, Optical, Bluetooth, Analog, 3.5mm, AirPlay 2 | - |
| Woofer Cabinet | ported | - |
| Discontinued | - | Yes |
| App | - | No |
| EQ | - | Yes (built-in presets) |
| DSP | - | No |
| Output Power | - | 210W total (100W tweeter, 110W woofer) |
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The Two Speakers In Full
JBL 4329P: $4,500 Amazon eBay
Pros: 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 rolled-off, thin low end. Wide, constant horizontal directivity through the midrange and into the treble (about ±60°, wider than most horn-loaded designs which tend to run closer to ±40°) gives a wide, stable stereo image without needing to toe the speakers out and lose top-end energy. The reviewer listened for an hour-long sessions repeatedly without listener fatigue, across two very different rooms, with consistently great results in both. Extensive connectivity: USB, Optical, Bluetooth, analog, 3.5mm, AirPlay 2, and 24-bit/192kHz support; comes with a remote.
Cons: No HDMI input, a real drawback if you want to run these directly off a TV’s ARC. The supplied ethernet link cable between the two speakers is short - workable at close range but not long enough for wider speaker placement, so budget for a longer aftermarket cable if your setup needs it. A dip around 900Hz shows up in the on-axis measurement that the reviewer couldn’t fully explain (ruled out the ports as the cause, suspects cabinet edge diffraction), though it wasn’t something that bothered him in listening. At $4,500/pair, this is a serious investment for a bookshelf-format speaker.
Full JBL 4329P review and specifications →
| Bass Extension (-10dB) | 27Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 31Hz (measured, Erin's Audio Corner) |
| 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
Emotiva Airmotiv 6s: $400 Discontinued eBay
Pros: CEA2034 spinorama shows lots of bass energy below 300Hz and the ability to play louder than a JBL 305P MKII comparison unit. Bi-amped design with 100W (tweeter) plus 110W (woofer) drives a 6.5” AirMotiv low-frequency transducer and AMT-style tweeter.
Cons: A suckout between 300-600Hz on the listening window is followed by a peak from 600Hz up. The built-in EQ options don’t fix this - one preset has the same dip plus a 3-7kHz peak. Vertical response droops at the 2.5kHz crossover. The reviewer’s verdict: there’s no reason to buy a speaker with a suckout in the upper bass if you have a choice. Discontinued.
Full Emotiva Airmotiv 6s review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 55Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 72Hz (measured, Audio Science Review) |
| DSP | No |
| Discontinued | Yes |
| Drivers | 6.5" AirMotiv low-frequency transducer, 60x32mm AirMotiv tweeter |
| EQ | Yes (built-in presets) |
| Frequency Response | 42Hz - 25kHz (+0/-3dB) (Manufacturer specified) |
| Output Power | 210W total (100W tweeter, 110W woofer) |
| Weight | 24.9 lbs / 11.3 kg each |
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