Short answer: the Neumann KH 150 for better sound quality, the Kali Audio LP-6 V2 for the lower price. The Neumann KH 150 ranks #14 of 48 powered bookshelf speakers at $3398. The Kali Audio LP-6 V2 ranks #18 at $398, $3000 cheaper.
What the Neumann KH 150 offers: Neumann’s Mathematically Modelled Dispersion waveguide produces a listening window smoothness score of 0.69 with a steadily narrowing directivity index through the treble, and the 6.5 inch woofer reaches a genuine 39.6Hz extension point. Watch for: The sound power directivity index has the widest standard deviation of any speaker in this batch, 3.89, meaning off axis energy tracks the on axis response a little less consistently than the tightest speakers here as frequency rises.
What the Kali Audio LP-6 V2 gets right: Outstandingly neutral active monitor for the money, with no audible amplifier hiss in Erin’s listening and excellent horizontal directivity from the contoured waveguide. Set against that: A vertical directivity disturbance around 1.5-2kHz makes ear height important; desk or console reflections and ceiling bounce can expose the crossover lobing, so absorption may help.
Buy the Neumann KH 150 if sound quality matters more than the price. Buy the Kali Audio LP-6 V2 if the price matters more than sound quality.
Specifications Side By Side
| Neumann KH 150 | Kali Audio LP-6 V2 | |
|---|---|---|
| Price | $3,398/pair | $398/pair |
| Ranked | #14 of 48 in Large Size Powered Bookshelf Speakers | #18 of 48 in Large Size Powered Bookshelf Speakers |
| Enclosure | ported | - |
| Drivers | 1" tweeter, 6.5" woofer | 1" soft-dome tweeter; 6.5" woofer |
| Dimensions | 13.6"H x 8.9"W x 10.7"D (345 x 225 x 273 mm) (13.58 x 8.86 x 10.75 in) | 14.1"H x 8.8"W x 10.2"D |
| Weight | 17.6 lbs / 8.0 kg (17.6 lbs) each | - |
| Power Output (Watts) | 245W total (145W woofer, 100W tweeter, 10% THD+N) | - |
| Frequency Response | 39Hz-20.4kHz +/-3dB | - |
| Bass Extension (-3dB) | 39.6Hz (measured, Audio Science Review) | 42Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 34.2Hz (measured, Audio Science Review) | 39.1Hz (measured, Erin’s Audio Corner) |
| Max SPL | 118.7dB @ 1m half space | Approximately 102dB per pair with good measured linearity (Erin’s Audio Corner) |
| Crossover Points | 1.7kHz | - |
| Warranty | 2 years | - |
| Country | Germany | - |
| Sensitivity | - | Not applicable (active DSP loudspeaker) |
| Amplification | - | Bi-amplified Class D, 40W LF + 40W HF per speaker |
| Inputs | - | XLR, balanced TRS and RCA |
| DSP | - | Yes; boundary presets and LF/HF trims |
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The Two Speakers In Full
Neumann KH 150: $3,398/pair Bhphotovideo
Pros: Neumann’s Mathematically Modelled Dispersion waveguide produces a listening window smoothness score of 0.69 with a steadily narrowing directivity index through the treble, and the 6.5 inch woofer reaches a genuine 39.6Hz extension point. FIR based phase correction and 118.7dB max SPL give it real headroom for a compact two way, and the onboard DSP includes adjustable bass, low mid, and treble shelving plus optional MA 1 automatic room calibration.
Cons: The sound power directivity index has the widest standard deviation of any speaker in this batch, 3.89, meaning off axis energy tracks the on axis response a little less consistently than the tightest speakers here as frequency rises. No Bluetooth or wireless input, it needs a balanced XLR or S/PDIF source. At 8kg (17.6 lbs) per cabinet plus an external power brick it needs a proper stand rather than a bookshelf. Its measured preference score trails Neumann’s own larger KH 310A and KH 420 monitors, so buyers chasing the deepest bass in the KH line should look further up the range.
Full Neumann KH 150 review and specifications →
| Bass Extension (-10dB) | 34.2Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 39.6Hz (measured, Audio Science Review) |
| Country | Germany |
| Crossover Points | 1.7kHz |
| Dimensions | 13.6"H x 8.9"W x 10.7"D (345 x 225 x 273 mm) (13.58 x 8.86 x 10.75 in) |
| Drivers | 1" tweeter, 6.5" woofer |
| Enclosure | ported |
| Frequency Response | 39Hz-20.4kHz +/-3dB |
| Max SPL | 118.7dB @ 1m half space |
| Power Output (Watts) | 245W total (145W woofer, 100W tweeter, 10% THD+N) |
| Warranty | 2 years |
| Weight | 17.6 lbs / 8.0 kg (17.6 lbs) each |
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- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Kali Audio LP-6 V2: $398/pair Amazon Sweetwater
Pros: Outstandingly neutral active monitor for the money, with no audible amplifier hiss in Erin’s listening and excellent horizontal directivity from the contoured waveguide. Erin measured 42Hz F3 and on-axis linearity within approximately -2.51/+1.99dB. The pair remains respectably linear to roughly 102dB at 1m, the front port controls turbulence, and rear DIP switches provide practical boundary-placement profiles plus LF/HF trims. Balanced XLR/TRS and unbalanced RCA inputs broaden compatibility; Erin needed only about +1.5dB near 8kHz for his preferred amount of air.
Cons: A vertical directivity disturbance around 1.5-2kHz makes ear height important; desk or console reflections and ceiling bounce can expose the crossover lobing, so absorption may help. Limiting becomes visible above 96dB/1m, and from 76 to 96dB the low-frequency/midband balance drops by roughly 1dB, making this better as a nearfield or modest-distance monitor than a far-field high-output system. There is no digital input or network control, and each speaker needs AC power and a separate signal cable.
Full Kali Audio LP-6 V2 review and specifications →
| Amplification | Bi-amplified Class D, 40W LF + 40W HF per speaker |
|---|---|
| Bass Extension (-10dB) | 39.1Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 42Hz (measured, Erin's Audio Corner) |
| DSP | Yes; boundary presets and LF/HF trims |
| Dimensions | 14.1"H x 8.8"W x 10.2"D |
| Drivers | 1" soft-dome tweeter; 6.5" woofer |
| Inputs | XLR, balanced TRS and RCA |
| Max SPL | Approximately 102dB per pair with good measured linearity (Erin's Audio Corner) |
| Sensitivity | Not applicable (active DSP loudspeaker) |
As an eBay Partner, we may be compensated if you make a purchase.
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