Short answer: the Genelec 8040B for better sound quality, the Klipsch The Nines for the lower price. The Genelec 8040B ranks #9 of 61 powered bookshelf speakers at $2350. The Klipsch The Nines ranks #30 at $999.99, $1350.01 cheaper.
What the Klipsch The Nines offers: Erin calls these his favorite Klipsch speaker he has heard. With the tweeter trim set to -2dB, the listening-window response stays within roughly +/-1.5dB from 40Hz to just above 10kHz, and they produced genuinely powerful bass that reached about 30Hz in his room. The 8-inch woofer remains below 3% THD from 30Hz upward at 96dB/1m; compression is well controlled through about 90dB, and its limiter was not a concern at realistic listening levels. Exceptional all-in-one connectivity includes HDMI ARC, phono, USB, optical, Bluetooth, analog inputs and a subwoofer output; the Klipsch Connect app supplies useful bass/mid/treble adjustment. Watch for: The app’s flat setting leaves the treble elevated, and Erin preferred a -2dB tweeter trim. There is a likely tweeter/waveguide breakup feature around 16kHz, though he did not hear it. Horizontal coverage is narrow (about +/-30 degrees), prioritizing a focused image over room involvement; listeners who prefer a wider soundstage may not like that trade-off. Ear height matters: he recommends the reference plane between woofer and tweeter rather than directly on tweeter axis. The speaker begins limiting above roughly 90dB/1m, and the two cabinets still require a physical inter-speaker cable.
What the Genelec 8040B offers: Based on their smaller speaker’s performance against others, I’m ranking this accordingly. Watch for: Very expensive
Buy the Klipsch The Nines if the price matters more than sound quality. Buy the Genelec 8040B if sound quality matters more than the price.
Specifications Side By Side
| Klipsch The Nines | Genelec 8040B | |
|---|---|---|
| Price | $999.99 | $2350 |
| Ranked | #30 of 61 in Large Size Powered Bookshelf Speakers | #9 of 61 in Large Size Powered Bookshelf Speakers |
| Drivers | 8" high-excursion fiber-composite woofer, 1" titanium LTS vented tweeter with Tractrix horn | 6.5" (165mm) woofer |
| Output Power | 240W total (480W peak; 100W LF + 20W HF per powered speaker) | 180w Per Speaker |
| Inputs | HDMI ARC, Bluetooth 5.0, phono/line RCA, 3.5mm, USB, optical | XLR |
| Dimensions | 19.13"H x 9.5"W x 13.38"D | 14.4"H x 9.3"W x 8.8"D (365.8 x 236.2 x 223.5 mm) |
| Weight | 28.4 lbs primary, 27.0 lbs secondary | 20.7 lbs / 9.4 kg each |
| Sensitivity | 82.5dB (measured at 0.30V/1m, Erin’s Audio Corner) | - |
| Bass Extension (-3dB) | 41Hz (measured, Erin’s Audio Corner) | - |
| Bass Extension (-10dB) | 31Hz (measured, Erin’s Audio Corner) | - |
| Frequency Response | 34Hz - 25kHz +/-3dB (manufacturer specified) | 41Hz - 25kHz (-6dB) (Manufacturer specified) |
| Max SPL | 115dB at 1m (stereo pair, manufacturer specified) | - |
| App | Klipsch Connect (bass/mid/treble EQ) | No |
| Woofer Cabinet | rear-ported bass reflex | - |
| Bluetooth | - | No |
| EQ | - | Yes (Room adjustment) |
| DSP | - | No |
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- APS Klasik 2020 vs Genelec 8040B
- JBL 4305P vs Klipsch The Nines
Prices on this page were last checked August 24, 2026 at 6:53 AM 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
Klipsch The Nines: $999.99 Crutchfield eBay
Pros: Erin calls these his favorite Klipsch speaker he has heard. With the tweeter trim set to -2dB, the listening-window response stays within roughly +/-1.5dB from 40Hz to just above 10kHz, and they produced genuinely powerful bass that reached about 30Hz in his room. The 8-inch woofer remains below 3% THD from 30Hz upward at 96dB/1m; compression is well controlled through about 90dB, and its limiter was not a concern at realistic listening levels. Exceptional all-in-one connectivity includes HDMI ARC, phono, USB, optical, Bluetooth, analog inputs and a subwoofer output; the Klipsch Connect app supplies useful bass/mid/treble adjustment.
Cons: The app’s flat setting leaves the treble elevated, and Erin preferred a -2dB tweeter trim. There is a likely tweeter/waveguide breakup feature around 16kHz, though he did not hear it. Horizontal coverage is narrow (about +/-30 degrees), prioritizing a focused image over room involvement; listeners who prefer a wider soundstage may not like that trade-off. Ear height matters: he recommends the reference plane between woofer and tweeter rather than directly on tweeter axis. The speaker begins limiting above roughly 90dB/1m, and the two cabinets still require a physical inter-speaker cable.
Full Klipsch The Nines review and specifications →
| App | Klipsch Connect (bass/mid/treble EQ) |
|---|---|
| Bass Extension (-10dB) | 31Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 41Hz (measured, Erin's Audio Corner) |
| 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) |
| Inputs | HDMI ARC, Bluetooth 5.0, phono/line RCA, 3.5mm, USB, optical |
| Max SPL | 115dB at 1m (stereo pair, manufacturer specified) |
| Output Power | 240W total (480W peak; 100W LF + 20W HF per powered speaker) |
| Sensitivity | 82.5dB (measured at 0.30V/1m, Erin's Audio Corner) |
| Weight | 28.4 lbs primary, 27.0 lbs secondary |
| Woofer Cabinet | rear-ported bass reflex |
- Links
- Reviews, Comparisons and Sound Samples
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Genelec 8040B: $2350 Bhphotovideo eBay
Pros: Based on their smaller speaker’s performance against others, I’m ranking this accordingly.
Cons: Very expensive
Full Genelec 8040B review and specifications →
| App | No |
|---|---|
| Bluetooth | No |
| DSP | No |
| Dimensions | 14.4"H x 9.3"W x 8.8"D (365.8 x 236.2 x 223.5 mm) |
| Drivers | 6.5" (165mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 41Hz - 25kHz (-6dB) (Manufacturer specified) |
| Inputs | XLR |
| Output Power | 180w Per Speaker |
| Weight | 20.7 lbs / 9.4 kg each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons