The Neumann KH420 ranks #5 out of 79 total Large Size Powered Bookshelf Speakers for sound quality. See all Powered Home rankings for every top pick.
Brand: Neumann
Prices on this page were last checked October 4, 2026 at 9:58 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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#5 Neumann KH420: $10500 per pair B&H Photo Video eBay
Pros: A 1.2dB response span from 300Hz to 5kHz, 8.14 ideal-subwoofer score and 27.8Hz measured -3dB extension combine accurate mids with genuinely deep bass. Its three-way design and low distortion at normal levels make it particularly attractive for larger listening distances and dynamic material. Measured bass extension of 27.8Hz (-3dB).
Cons: It is a large, heavy studio monitor rather than an easy desktop speaker. Vertical alignment matters around the crossover regions. Bass distortion rises as playback levels increase, and the measured high-level limits still apply despite the substantial drivers and amplifiers. Horizontal beamwidth is well controlled but on the narrow side at about ±55°.
How it compares: Just above it: Genelec 8351B - $1350 cheaper, 5W less output power. Just below it: Genelec 8361A - $400 more, 445W more output power.
| AES Input | No |
|---|---|
| Amplifier Power | 555w Per Speaker |
| App | Yes (MA 1 alignment) |
| Aux Input | No |
| Bass Extension (-10dB) | 24.4Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Bass Extension (-3dB) | 27.8Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| DSP | No |
| Dimensions | 25.4”H x 13”W x 17.5”D (645.2 x 330.2 x 444.5 mm) |
| Drivers | 10” woofer, 4” dome midrange, 1” fabric dome tweeter |
| EQ | Yes (Room response controls) |
| Frequency Response | 31Hz - 21kHz (±3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR |
| Maximum SPL | 124dB @ 1m (manufacturer specified) |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 7.02 |
| Spinorama Preference Score with Perfect Sub | 8.14 |
| TRS Input | No |
| USB Input | No |
| Weight | 77.2 lbs (35 kg) each |
| XLR Input | Yes |
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