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Neumann KH 805 II

Item: REC0017050-000
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Studio subwoofer with DSP, flexible connections and precise bass reproduction for stereo, surround and immersive setups.  All product info

€ 2,883.00 ca. Lv 5,638.57
incl. VAT, incl. Shipping Costs
available soon, estimated to be in stock: Oct 4, 2025

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Neumann KH 805 II

Precise DSP subwoofer

  • DSP-controlled subwoofer in reference quality
  • Extended frequency range up to 16 Hz
  • Newly developed 10" long excursion driver with ELFF™ technology
  • Very low distortion even at high levels
  • performance about twice as high as the KH 750 DSP
  • compatible with Neumann MA 1 Automatic Monitor Alignment (sold separately)
  • also supports MA 1 for analog KH line monitors
  • four routing modes: Stereo 80 Hz, external bass management, LFE up to 120 Hz, LFE full range
  • 2.0/0.1 bass management for stereo and multi-channel applications
  • Flexible level control and 8-stage phase adjustment
  • Low-cut filter from 30 Hz, adjustable 0 to -12 dB
  • robust, low-resonance wooden housing with sturdy paint finish
  • Integrated rubber feet for acoustic decoupling
  • Highly efficient bass reflex system with openings at the front
  • Peak limiter, thermal limiter and soft clip limiter for maximum system safety
  • Ground lift to avoid ground loops
  • Network control via standard IP protocol
  • Switchable operation: local or via MA 1 software
  • Auto standby function with switch for deactivation
Closeup of the front side

Powerful Bass up to 16 Hz

The Neumann KH 805 II is a reference-quality DSP-controlled subwoofer designed for music, broadcast and post-production studios. With a bass response down to 16 Hz, it delivers deep, powerful sound with impressive precision. This makes it the ideal complement for medium-sized studio monitors in the Neumann KH series and ensures maximum transparency in the low-end range.

Closeup of the back

Next Generation Performance

Compared to its predecessor, the KH 805 II offers increased acoustic performance and new features. The newly developed 10" long excursion driver with ELFF™ technology (Extremely Linear Force Factor) guarantees extremely low distortion even at high levels. In combination with intelligent protection circuits, the sound remains clear and undistorted at all times - even at maximum sound pressure. With its performance, it clearly outperforms the KH 750 DSP and is perfect for monitors such as the KH 150 or KH 310.

Flexible connection and control options

The subwoofer has analog XLR inputs and outputs as well as a digital BNC input that supports AES3 and S/P-DIF signals up to 192 kHz / 24 bit. Thanks to the integrated 2.0/0.1 bass management, the KH 805 II versatile can be integrated into stereo, surround or immersive setups. Four different routing modes (stereo 80 Hz, external bass management, LFE up to 120 Hz or LFE full range) also guarantee maximum flexibility in everyday studio use.

The KH 805 II offers extensive control options for optimum adaptation to different rooms and setups: An adjustable low cut filter at 30 Hz, which can be lowered continuously from 0 to -12 dB, ensures the targeted reduction of unwanted low bass components. In addition, a gain control for adjusting the subwoofer level and an eight-stage phase adjustment are available for perfect integration with the main monitors. In combination with the flexible bass management, this ensures precise and controlled bass reproduction.

Closeup of the back

MA 1 Automatic Monitor Alignment

Thanks to its DSP control, the KH 805 II is fully compatible with the Neumann MA 1 Automatic Monitor Alignment (sold separately). This system enables precise calibration of the entire loudspeaker system - including analogue KH line monitors - and optimizes frequency response and Phase for maximum sound fidelity. With the optional MA 1 Multichannel Extension, the calibration can even be extended to complex multi-channel setups.

Robust design for studio use

The housing of the KH 805 II consists of an extremely rigid wooden construction with a resonance-optimized bass reflex design. Integrated rubber feet ensure acoustic decoupling, while a sturdy metal grille protects the driver from damage. The result is precise and controlled bass reproduction without annoying background noise.

The KH 805 II is equipped with a comprehensive protection system for maximum operational safety. A peak limiter prevents overloads during high signal peaks, while a thermal limiter reliably protects the woofer, power supply unit and amplifier from overheating. This is supplemented by a soft clip limiter, which ensures low-distortion output even at extreme excursions and increases the service life of the system. In addition, the subwoofer has an auto standby function that reduces energy consumption by automatically switching the device to energy-saving sleep mode when it is inactive for long periods. If desired, this function can be deactivated via a switch on the back.

Technical data:

  • Free-field frequency response (±3 dB): 18 - 310 Hz
  • Free-field frequency response (±6 dB): 16 - 750 Hz
  • Self-noise (10 cm distance, input gain 100 dB SPL for 0 dBu): ' 20 dB(A) SPL
  • Sine wave reproduction with THD ' 0.5 % (1 m, half-space, 42-200 Hz): 95 dB SPL
  • Max. Sound pressure (half-space, 1 m, 3 % THD, averaged 50-100 Hz): 110 dB SPL
  • Acoustic principle: bass reflex, front openings
  • Analog inputs: 2 x XLR, electronically balanced
  • Input impedance: ' 13 kΩ
  • Digital inputs: 1 x BNC (75 Ω), AES3 / S/P-DIF
  • Analog outputs: 2 x XLR, electronically balanced
  • Digital outputs: 1 x BNC (75 Ω), AES3
  • Input gain control: +2 dB to -12 dB
  • Output level switch (based on 0 dBu input level): 94 / 100 / 108 / 114 dB SPL
  • Equalizer: Low cut 30 Hz, adjustable 0 ... -12 dB
  • Phase: 0°, 45°, 90°, 135° and 0/180°
  • Control: local or via network (MA 1 software)
  • Power amplifier output woofer: 222 W (THD+N 10 %, limiter deactivated)
  • Power supply: Universal power supply 100-240 V
  • Woofer: 265 mm (10")

Features:

  • Manufacturer: Neumann
  • Size of Woofer (Inches): 10
  • Total output in watts (RMS): 222
  • Room adjustment: Yes
  • DSP: Yes
  • Frequency range: 16 - 750 Hz
  • Inputs analog: 3-Pole XLR
  • Inputs digital: AES3
  • Maximum SPL in dB: 110
  • Width (mm): 330
  • Depth (mm): 645
  • Height (mm): 368
  • Weight (kg): 25.5
Neumann KH 805 II Product ImageNeumann KH 805 II
€ 2,883.00

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