Short answer: the Neumann KH 150 on measurements, the Genelec 8050B if off-axis consistency matters more. The KH 150’s Mathematically Modelled Dispersion waveguide gives a listening window smoothness score of 0.69 and a steadily narrowing directivity index, with its 6.5 inch woofer reaching a genuine 39.6Hz extension point. Its sound power directivity index standard deviation is 3.89, the widest here.
The case for the Genelec 8050B: CEA2034 spinorama shows a very good on-axis response with excellent directivity. The tradeoff: A dip around 2kHz shows up in both the on-axis and predicted in-room measurements.
Buy the Neumann KH 150. It is rated higher for sound quality; the Genelec 8050B is no longer sold new.
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Specifications Side By Side
| Genelec 8050B | Neumann KH 150 | |
|---|---|---|
| Price | $3800 per pair Discontinued | $3,398 per pair |
| Ranked | #27 of 68 in Large Size Powered Bookshelf Speakers | #8 of 68 in Large Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 35.2Hz (measured, Audio Science Review) | 39.6Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 28.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) | 34.2Hz (measured, Audio Science Review) |
| Dimensions | 17.8”H x 11.3”W x 10.9”D (452.1 x 287 x 276.9 mm) | 13.6”H x 8.9”W x 10.7”D (345 x 225 x 273 mm) |
| Frequency Response | 32Hz - 25kHz (-6dB) (Manufacturer specified) | 39Hz-20.4kHz +/-3dB |
| Inputs | XLR | XLR (balanced analog), RCA S/PDIF (digital) |
| Weight | 31.7 lbs (14.4 kg) each | 17.6 lbs (8.0 kg) each |
| Drivers | 8” (203mm) woofer | 1” tweeter, 6.5” woofer |
| App | No | - |
| Bluetooth | No | No |
| EQ | Yes (Room adjustment) | - |
| DSP | No | - |
| Amplifier Power | 270w Per Speaker | 245W total (145W woofer, 100W tweeter, 10% THD+N) |
| XLR Input | Yes | Yes |
| RCA Input | No | Yes |
| TRS Input | No | No |
| Optical Input | No | No |
| Coaxial Input | No | Yes |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Enclosure | - | ported |
| Crossover Frequency | - | 1.7kHz |
| Warranty | - | 2 years |
| Country | - | Germany |
| Maximum SPL | - | 118.7dB @ 1m half space (manufacturer specified) |
| Spinorama Preference Score | - | 6.65 |
| Spinorama Preference Score with Perfect Sub | - | 8.38 |
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How Neumann KH 150 compares with other leading options:
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- Genelec 8361A vs Neumann KH 150
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The Two Speakers In Full
Genelec 8050B: $3800 per pair Discontinued B&H Photo Video eBay
Newer model: the Genelec 8350A. It’s likely to perform similarly, though we don’t have measurements to confirm that yet. It uses the same cabinet and woofer size, adding GLM room calibration and an AES/EBU digital input.
Pros: Measured -3dB extension of 35.2Hz gives the 8050B deeper native bass than many similarly ranked monitors. The 6.49 ideal-subwoofer score supports broadly balanced listening, with a waveguide and analog boundary controls for practical studio placement. Measured bass extension of 35.2Hz (-3dB).
Cons: A 2.7dB response span from 300Hz to 5kHz and a dip around 2kHz keep it below the strongest tonal performers. Port-related response features and high-level distortion also warrant attention. Unlike the SAM models, it does not provide GLM room calibration. Discontinued.
Full Genelec 8050B review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 270w Per Speaker |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 28.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Bass Extension (-3dB) | 35.2Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| DSP | No |
| Dimensions | 17.8”H x 11.3”W x 10.9”D (452.1 x 287 x 276.9 mm) |
| Drivers | 8” (203mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 32Hz - 25kHz (-6dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR |
| Optical Input | No |
| RCA Input | No |
| TRS Input | No |
| USB Input | No |
| Weight | 31.7 lbs (14.4 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Neumann KH 150: $3,398 per pair B&H Photo Video eBay
Pros: An exceptionally tight 1.0dB response span from 300Hz to 5kHz supports neutral vocals and instruments. The measured ideal-subwoofer score is 8.38, with -3dB bass extension to 39.6Hz. DSP and optional MA 1 alignment offer useful control over room-related response errors. Measured bass extension of 39.6Hz (-3dB).
Cons: A two-way nearfield monitor cannot match the largest three-way systems for deep-bass output at distance. Keep the tweeter near ear height to avoid crossover-related changes off the vertical axis. MA 1 calibration requires additional equipment, and studio connections are less convenient than a consumer streaming system.
Full Neumann KH 150 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 245W total (145W woofer, 100W tweeter, 10% THD+N) |
| Aux Input | No |
| Bass Extension (-10dB) | 34.2Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 39.6Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | Yes |
| Country | Germany |
| Crossover Frequency | 1.7kHz |
| Dimensions | 13.6”H x 8.9”W x 10.7”D (345 x 225 x 273 mm) |
| Drivers | 1” tweeter, 6.5” woofer |
| Enclosure | ported |
| Frequency Response | 39Hz-20.4kHz +/-3dB |
| HDMI Input | No |
| Inputs | XLR (balanced analog), RCA S/PDIF (digital) |
| Maximum SPL | 118.7dB @ 1m half space (manufacturer specified) |
| Optical Input | No |
| RCA Input | Yes |
| Spinorama Preference Score | 6.65 |
| Spinorama Preference Score with Perfect Sub | 8.38 |
| TRS Input | No |
| USB Input | No |
| Warranty | 2 years |
| Weight | 17.6 lbs (8.0 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons