Short answer: the JBL 708P for measured accuracy, the Klipsch The Nines for the reviewer’s enthusiasm. Erin calls The Nines his favorite Klipsch speaker he has heard, though the app’s flat setting leaves the treble elevated and he preferred a -2dB tweeter trim. The 708P’s spinorama is extremely good on and off axis with excellent horizontal directivity, with just a mild port-resonance rise around 600-900Hz.
Buy the Klipsch The Nines. Both are rated the same for sound quality, and it costs $3,000.01 less than the JBL 708P.
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Specifications Side By Side
| JBL 708P | Klipsch The Nines | |
|---|---|---|
| Price | $4000 per pair | $999.99 per pair |
| Ranked | #39 of 68 in Large Size Powered Bookshelf Speakers | #40 of 68 in Large Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 43.9Hz (measured, Erin’s Audio Corner) | 42.5Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 35.6Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 31Hz (measured, Erin’s Audio Corner) |
| Dimensions | 17.2”H x 9.8”W x 11.5”D (438 x 248 x 292 mm) | 19.13”H x 9.5”W x 13.38”D |
| Frequency Response | 41Hz - 25kHz (+/-3dB) (Manufacturer specified) | 34Hz - 25kHz +/-3dB (manufacturer specified) |
| Weight | 25.1 lbs (11.4 kg) each | 28.4 lbs (12.9 kg) primary, 26.9 lbs (12.2 kg) secondary |
| Drivers | 8” woofer, 2409H 1” compression driver | 8” high-excursion fiber-composite woofer, 1” titanium LTS vented tweeter with Tractrix horn |
| App | No | Klipsch Connect (bass/mid/treble EQ) |
| EQ | No | - |
| DSP | No | - |
| Amplifier Power | 500W total (250W woofer, 250W tweeter) | 240W total (480W peak; 100W LF + 20W HF per powered speaker) |
| Spinorama Preference Score | 5.03 | 5.32 |
| Spinorama Preference Score with Perfect Sub | 6.91 | 6.90 |
| Inputs | XLR/TRS combo (analog), XLR AES3 (digital) | HDMI ARC, Bluetooth 5.0, phono/line RCA, 3.5mm, USB, optical |
| XLR Input | Yes | No |
| RCA Input | No | Yes |
| TRS Input | Yes | No |
| Optical Input | No | Yes |
| Coaxial Input | No | No |
| USB Input | No | Yes |
| HDMI Input | No | Yes |
| AES Input | Yes | No |
| Aux Input | No | Yes |
| Bluetooth | No | Yes, 5.0 |
| Bluetooth Codecs | - | SBC, AAC, aptX, aptX HD |
| Sensitivity | - | 82.5dB (measured at 0.30V/1m, Erin’s Audio Corner) |
| Woofer Cabinet | - | rear-ported bass reflex |
| Maximum SPL | - | 115dB at 1m (stereo pair, manufacturer specified) |
| Subwoofer Output | - | Yes |
| Outputs | - | Subwoofer |
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The Two Speakers In Full
JBL 708P: $4000 per pair B&H Photo Video eBay
Pros: Erin’s measurements give 43.9Hz -3dB extension and a 6.91 ideal-subwoofer score, with useful bass from a professional active monitor. The waveguide and onboard processing make it a practical choice for a carefully installed studio system. Measured bass extension of 43.9Hz (-3dB).
Cons: The 2.6dB response span from 300Hz to 5kHz includes audible-relevance irregularities, with port-region features and vertical crossover sensitivity. High-level distortion remains a constraint. Its professional positioning and amplifier power do not make it automatically more neutral than the cheaper 308P MKII. A port resonance adds a mild rise around 600 to 900Hz, and vertical dispersion is narrower than horizontal, so stay within a few degrees of the tweeter axis.
Full JBL 708P review and specifications →
| AES Input | Yes |
|---|---|
| Amplifier Power | 500W total (250W woofer, 250W tweeter) |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 35.6Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Bass Extension (-3dB) | 43.9Hz (measured, Erin’s Audio Corner) |
| Bluetooth | No |
| Coaxial Input | No |
| 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) |
| HDMI Input | No |
| Inputs | XLR/TRS combo (analog), XLR AES3 (digital) |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 5.03 |
| Spinorama Preference Score with Perfect Sub | 6.91 |
| TRS Input | Yes |
| USB Input | No |
| Weight | 25.1 lbs (11.4 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Klipsch The Nines: $999.99 per pair Crutchfield eBay
Pros: The 1.7dB response span from 300Hz to 5kHz supports even mids, and measured -3dB extension is 42.5Hz. Extensive consumer connections and app adjustment make it convenient for TV and music, while the horn provides a focused listening presentation. Erin called it his favorite Klipsch speaker. Measured bass extension of 42.5Hz (-3dB), with a measured sensitivity of 82.5dB.
Cons: The 6.90 ideal-subwoofer score reflects limitations beyond the narrow midband span. Horizontal coverage is relatively focused, so placement matters for multiple seats. The reviewer preferred reduced treble, and bass limiting at higher playback levels means the large woofer is not a guarantee of unlimited output. The app’s flat setting leaves treble elevated; Erin preferred a -2dB tweeter trim.
Full Klipsch The Nines review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 240W total (480W peak; 100W LF + 20W HF per powered speaker) |
| App | Klipsch Connect (bass/mid/treble EQ) |
| Aux Input | Yes |
| Bass Extension (-10dB) | 31Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 42.5Hz (measured, Erin’s Audio Corner) |
| Bluetooth | Yes, 5.0 |
| Bluetooth Codecs | SBC, AAC, aptX, aptX HD |
| Coaxial Input | No |
| Dimensions | 19.13”H x 9.5”W x 13.38”D |
| Drivers | 8” high-excursion fiber-composite woofer, 1” titanium LTS vented tweeter with Tractrix horn |
| Frequency Response | 34Hz - 25kHz +/-3dB (manufacturer specified) |
| HDMI Input | Yes |
| Inputs | HDMI ARC, Bluetooth 5.0, phono/line RCA, 3.5mm, USB, optical |
| Maximum SPL | 115dB at 1m (stereo pair, manufacturer specified) |
| Optical Input | Yes |
| Outputs | Subwoofer |
| RCA Input | Yes |
| Sensitivity | 82.5dB (measured at 0.30V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.32 |
| Spinorama Preference Score with Perfect Sub | 6.90 |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | Yes |
| Weight | 28.4 lbs (12.9 kg) primary, 26.9 lbs (12.2 kg) secondary |
| Woofer Cabinet | rear-ported bass reflex |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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