Short answer: the XTZ Sound 99 W12S has been measured and ranked among subwoofers; the Genelec 7050C has not been independently measured yet, so until it is, this comes down to features and price.
What the Genelec 7050C offers: 8-inch (205mm) driver with a 130W Class D amplifier.
What the XTZ Sound 99 W12S brings: 12-inch ported with Bang & Olufsen ICEpower half-kilowatt amplification.
Price: the Genelec 7050C lists at $1,575 and the XTZ Sound 99 W12S at $1,499.
Buy the XTZ Sound 99 W12S if you want a speaker whose sound quality has been measured and ranked.
Buy the Genelec 7050C if you prefer its design or features, and you can wait for measurements to confirm how it sounds.
Still deciding? The full Subwoofers rankings cover every ranked option.
Specifications Side By Side
| Genelec 7050C | XTZ Sound 99 W12S | |
|---|---|---|
| Price | $1,575 | $1499 |
| Ranked | - | #47 of 145 in Medium Home Subwoofers (30-75 lbs) |
| Drivers | 8” (205mm) driver | 12” (305mm) driver |
| Amplifier Power | 130W (Class D) | Not fully specified |
| Frequency Response | 24Hz - 85Hz (-6dB) (Manufacturer specified) | Not fully specified |
| Maximum SPL | 103 dB | - |
| Dimensions | 410H x 350W x 319D mm | 19.6”H x 13.8”W x 15.7”D (499.1 x 349.8 x 400.0 mm) |
| Weight | 17.3 kg | 67.2 lbs (30.5 kg) |
| XLR Input | Yes | - |
| Country | Finland | Sweden |
| Enclosure | - | ported, rear |
| Output SPL at 20 Hz | - | 74.0 dB |
| Output SPL at 25 Hz | - | 86.5 dB |
| Output SPL at 31.5 Hz | - | 97.7 dB |
| Output SPL at 40 Hz | - | 108.3 dB |
| Output SPL at 50 Hz | - | 114.9 dB |
| Output SPL at 63 Hz | - | 117.3 dB |
| Output SPL at 80 Hz | - | 117.4 dB |
| CEA-2010-A Average (40-80Hz) | - | 114.5 dB |
| Measurement Source | - | Ilkka Rissanen |
Prices on this page were last checked September 29, 2026 at 3:43 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
Genelec 7050C: $1,575 B&H Photo Video eBay
Older model: the Genelec 7050B (rated 2.7/5).
Pros: 8-inch (205mm) driver with a 130W Class D amplifier. Genelec rates it at 24-85Hz (-6dB) and 103dB maximum output, with 6 balanced XLR inputs and 5 outputs for bass management of a multichannel system.
Cons: No independent measurements yet, so its output can’t be compared with ranked subwoofers. There is no automatic room correction, and 103dB maximum output limits it to smaller rooms and nearfield studio use.
Full Genelec 7050C review and specifications →
| Amplifier Power | 130W (Class D) |
|---|---|
| Country | Finland |
| Dimensions | 410H x 350W x 319D mm |
| Drivers | 8” (205mm) driver |
| Frequency Response | 24Hz - 85Hz (-6dB) (Manufacturer specified) |
| Maximum SPL | 103 dB |
| Weight | 17.3 kg |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- These figures are manufacturer-specified rather than independently measured.
- Head-to-Head Comparisons
XTZ Sound 99 W12S: $1499 eBay
Pros: 12-inch ported with Bang & Olufsen ICEpower half-kilowatt amplification. Sweepable phase knob with flexible EQ1/EQ2 switches for refined tuning. Excellent value high-output performance with powerful, clean amplification.
Full XTZ Sound 99 W12S review and specifications →
| Amplifier Power | Not fully specified |
|---|---|
| CEA-2010-A Average (40-80Hz) | 114.5 dB |
| Country | Sweden |
| Dimensions | 19.6”H x 13.8”W x 15.7”D (499.1 x 349.8 x 400.0 mm) |
| Drivers | 12” (305mm) driver |
| Enclosure | ported, rear |
| Frequency Response | Not fully specified |
| Measurement Source | Ilkka Rissanen |
| Output SPL at 20 Hz | 74.0 dB |
| Output SPL at 25 Hz | 86.5 dB |
| Output SPL at 31.5 Hz | 97.7 dB |
| Output SPL at 40 Hz | 108.3 dB |
| Output SPL at 50 Hz | 114.9 dB |
| Output SPL at 63 Hz | 117.3 dB |
| Output SPL at 80 Hz | 117.4 dB |
| Weight | 67.2 lbs (30.5 kg) |
- Reviews, Comparisons and Sound Samples
- Independently measured by Ilkka Rissanen; the published figures above come from this ASR subwoofer measurement thread.
- Head-to-Head Comparisons