Short answer: the JBL 708P for better sound quality, the Adam Audio T7V for the lower price. The JBL 708P ranks #20 of 40 powered bookshelf speakers at $4000. The Adam Audio T7V ranks #26 at $289.99, $3710.01 cheaper.
What the JBL 708P gets right: CEA2034 spinorama shows extremely good frequency response both on- and off-axis, with excellent horizontal directivity. The catch: A port resonance creates a mild rise around 600-900Hz.
What the Adam Audio T7V offers: Quite balanced and neutral, very close to the Yamaha HS8. Watch for: On-axis response is a bit wider than ideal for a nearfield monitor, and narrow vertical dispersion means you need to sit at tweeter height to get the intended tonal balance, per Audioholics’ measurements.
Buy the JBL 708P if sound quality matters more than the price. Buy the Adam Audio T7V if the price matters more than sound quality.
Specifications Side By Side
| JBL 708P | Adam Audio T7V | |
|---|---|---|
| Price | $4000 | $289.99 |
| Ranked | #20 of 40 in Large Size Powered Bookshelf Speakers | #26 of 40 in Large Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 82Hz (measured, Audio Science Review) | approx. 65Hz, extrapolated from the reviewer’s directly-computed -6dB point of 45.4Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 62Hz (measured, Audio Science Review) | approx. 45Hz, extrapolated from the reviewer’s directly-computed -6dB point of 45.4Hz (measured, Audio Science Review) |
| Dimensions | 17.2"H x 9.8"W x 11.5"D (438 x 248 x 292 mm) | 13.7"H x 8.3"W x 11.5"D (348 x 210.8 x 292.1 mm) |
| Frequency Response | 41Hz - 25kHz (+/-3dB) (Manufacturer specified) | 39Hz - 25kHz (-6dB) (Manufacturer specified) |
| Weight | 25.1 lbs / 11.4 kg each | 15.7 lbs / 7.1 kg |
| Drivers | 8" woofer, 2409H 1" compression driver | 7" (178mm) woofer |
| App | No | No |
| EQ | No | Yes (Room adjustment) |
| DSP | No | No |
| Output Power | 500W total (250W woofer, 250W tweeter) | 70w Per Speaker |
| Inputs | - | XLR, RCA |
| Bluetooth | - | No |
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The Two Speakers In Full
JBL 708P: $4000 Bhphotovideo
Pros: CEA2034 spinorama shows extremely good frequency response both on- and off-axis, with excellent horizontal directivity. Bi-amplified 500W design (250W woofer, 250W compression driver) handles an 8” woofer and JBL’s 2409H compression tweeter.
Cons: A port resonance creates a mild rise around 600-900Hz. Vertical dispersion is narrower than horizontal, so staying within a few degrees of the tweeter axis matters. Distortion climbs at 96dB SPL, with the tweeter reaching about 2.5% THD at elevated levels.
Full JBL 708P review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 62Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 82Hz (measured, Audio Science Review) |
| DSP | No |
| Dimensions | 17.2"H x 9.8"W x 11.5"D (438 x 248 x 292 mm) |
| Drivers | 8" woofer, 2409H 1" compression driver |
| EQ | No |
| Frequency Response | 41Hz - 25kHz (+/-3dB) (Manufacturer specified) |
| Output Power | 500W total (250W woofer, 250W tweeter) |
| Weight | 25.1 lbs / 11.4 kg each |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Adam Audio T7V: $289.99 Amazon
Pros: Quite balanced and neutral, very close to the Yamaha HS8. Deeper bass than the HS8
Cons: On-axis response is a bit wider than ideal for a nearfield monitor, and narrow vertical dispersion means you need to sit at tweeter height to get the intended tonal balance, per Audioholics’ measurements. Frequency response below 1kHz also looks a bit ragged in the digitized ASR analysis - not as smooth out of the box as some rivals, though it’s said to respond well to EQ.
Full Adam Audio T7V review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | approx. 45Hz, extrapolated from the reviewer's directly-computed -6dB point of 45.4Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | approx. 65Hz, extrapolated from the reviewer's directly-computed -6dB point of 45.4Hz (measured, Audio Science Review) |
| Bluetooth | No |
| DSP | No |
| Dimensions | 13.7"H x 8.3"W x 11.5"D (348 x 210.8 x 292.1 mm) |
| Drivers | 7" (178mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 39Hz - 25kHz (-6dB) (Manufacturer specified) |
| Inputs | XLR, RCA |
| Output Power | 70w Per Speaker |
| Weight | 15.7 lbs / 7.1 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review Measurements
- Audioholics Review Measurements
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