Genelec 8040B vs Neumann KH 150

Short answer: the Neumann KH 150, on measurements. Its Mathematically Modelled Dispersion waveguide delivers a listening window smoothness score of 0.69 with a steadily narrowing directivity index through the treble, and its 6.5 inch woofer reaches a genuine 39.6Hz extension point. The catch is a sound power directivity index standard deviation of 3.89, the widest in this batch, while the Genelec 8040B is very expensive.

The case for the Genelec 8040B: Based on the smaller sibling’s measured performance against others, it is ranked accordingly. The tradeoff: Very expensive.

Buy the Neumann KH 150. It is rated higher for sound quality and still sold new, while the Genelec 8040B is discontinued.

Still deciding? The full Powered Home rankings cover every ranked option.

Specifications Side By Side

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The Two Speakers In Full

Genelec 8040B: $2,790 per pair Discontinued B&H Photo Video eBay

Newer model: the Genelec 8340A. 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: A compact professional monitor with balanced XLR input and analog room-adjustment controls. The manufacturer’s 41Hz limit is specified at -6dB, offering a useful reference for system planning without confusing it with a measured -3dB point.

Cons: It lacks GLM calibration and consumer streaming inputs. The balanced XLR connection may require an interface or controller for a typical desktop source. It is expensive. Discontinued.

Full Genelec 8040B review and specifications →

AES Input	No
Amplifier Power	180w Per Speaker
App	No
Aux Input	No
Bluetooth	No
Coaxial Input	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)
HDMI Input	No
Inputs	XLR
Optical Input	No
RCA Input	No
TRS Input	No
USB Input	No
Weight	20.7 lbs (9.4 kg) each
XLR Input	Yes

• Links
  • Official Genelec 8040B Product Page
• Reviews, Comparisons and Sound Samples
  • No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
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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
  • Neumann KH 150 Official Page
• Reviews, Comparisons and Sound Samples
  • Audio Science Review Measurements More from Audio Science Review →
  • Audio Science Review Measurements (spinorama.org)
• Head-to-Head Comparisons
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