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Two Way Nearfield Monitor

KH 150 W

DSP-powered, bi-amplified studio monitor with deep bass response and outstanding resolution.

  • Linear frequency and phase response
  • DSP engine for improved performance and automatic room alignment
  • Deep low end down to 39 Hz and high SPL capability
  • Analog and S/PDIF connectivity

COLORS AND VARIANTS

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Suited for:

Neumann Accuracy, Serious Bass and Power to Spare

The KH 150 is a powerful bi-amplified studio monitor with reference-class performance. Its 6.5” woofer in a bass reflex cabinet provides stunning low end and high SPL capability with undiminished clarity. DSP controlled electronics ensure linear phase response and allow for room-adaptive calibration via Neumann’s revolutionary MA 1 Automatic Monitor Alignment.

What You Hear Is What You Get

The KH 150 follows the same philosophy as all Neumann studio monitors: highest linearity, lowest distortion, no coloration, and perfect adaptability to any acoustic environment. It allows you to hear every nuance of your tracks. Mixing becomes so much faster and easier, once the guesswork is over. And more creative, too: Sounds genius, but can I get away with that? Is that vocal bright or sibilant? Is it too much bass? The KH 150 will tell you. Honestly.

One Bigger

What differentiates the KH 150 from its smaller siblings is its deeper bass response down to 39 Hz. That’s almost as low as the larger KH 310, thanks to the KH 150’s novel 6.5” high-precision woofer in a carefully designed bass reflex cabinet. The KH 150 is thus ideally suited to urban music, EDM, film scoring, and all styles that require extended low end and/or elevated listening levels. Thanks to powerful amplifiers (145 W/100 W) and sophisticated protection limiters, no clarity is lost even at high SPLs. But, being a true universalist, the KH 150 works just as well for everything from rock to classical music, broadcast applications and voice-over work.

The KH 150 has an exceptionally linear frequency response from 39 Hz to 21 kHz (±3 dB). Not only that: It also linearizes the phase response! Which translates to clear mids with astonishing transparency as well as extreme accuracy in the time domain: precise impulse reproduction and finely resolved reverbs. This is made possible by DSP controlled electronics which allow for sophisticated crossovers avoiding the phase distortion caused by analog filters. The internal DSP also realizes new standards in tonal consistency. The KH 150 is made to extremely low tolerances of no more than ± 0.8 dB! And you can hear it, too: Stereo imaging is razor-sharp.

Ready for Your Room

Even the best loudspeaker only sounds as good as the acoustic environment allows. Neumann’s Mathematically Modelled Dispersion™ (MMD™) waveguide guarantees a wide sweet spot and minimizes desk reflections. But the KH 150 goes much further: Its internal DSP allows for room calibration via Neumann’s revolutionary Automatic Monitor Alignment. MA 1 (sold separately) makes sure your DSP powered monitors are optimally adapted to the character of your room and perfectly calibrated for your listening position. Even in acoustically treated rooms, this results in a huge improvement.

Tonal compatibility with other KH line studio monitors makes it possible to use the KH 150 in mixed setups e.g. in surround/immersive setups. For flexible connectivity the KH 150 features both analog and digital inputs.

AES 67 – Audio over IP

Additionally, the KH 150 AES67 model variant offers integrated redundant AES67 audio network ports that are fully compliant with broadcast standards such as ST 2110, ST 2022-7 redundancy, and RAVENNA. At the same time, the KH 150 AES67 is compatible with DANTE®-generated AES67 network streams.

Energy Efficient

Neumann engineers took great care to develop a patent pending amplifier technology which combines superior audio performance with the energy efficiency of Class D. Although the KH 150’s amplifiers deliver up to 145 W to the 6.5” woofer and 100 W to the 1” tweeter, they only consume 17 W at idle. Auto-standby reduces power consumption to 0.3 W when the KH 150 has not been used for a while, but can be deactivated.

Mounting Options

Most of the KH 120 accessories also fit the KH 150, with the exception of the LH 65 table stand, which is available in a slightly larger version in the form of the new LH 66 (Cat. No. 700258). The LH 61 (L bracket) was updated, because the KH 150 is a bit heavier/larger than the KH 120 and the LH 64 (VESA mount) was adjusted to allow access to the controls of the KH 150. The order numbers here are unchanged.

All mounting options can be found in our updated Monitor Mounting Matrix. At a later date we will also update the Monitor Accessory Finder.

The KH 150 is available in two color options, anthracite and white.

Features:

  • High-precision drivers, Mathematically Modelled Dispersion™ (MMD™) waveguide
  • Linear frequency response 39 Hz … 21 kHz (±3 dB)
  • Linear phase response 105 Hz … 16 kHz (± 45°) with latency < 2,6 ms
  • DSP engine allows for room adaptive calibration via Neumann’s MA 1
  • Razor-sharp imaging due to extremely low tolerances (± 0.8 dB)
  • May be combined with other KH line speakers in immersive/surround setups.
Acoustics
Free field frequency response ±6 dB 36 Hz ... 21 kHz
Free field frequency response ±3 dB 39 Hz ... 20.4 kHz
Pass band free field frequency response 42 Hz … 20 kHz, ±1.25 dB
Free field frequency linearity deviation between 100 Hz and 10 kHz ±0.8 dB
Reproduction accuracy between 100 Hz and 10 kHz: 100%, 80%, 50% of loudspeakers produced ±0.50; ±0.30; ±0.15 dB
Self-generated noise at 10 cm (with input gain set to 100 dB SPL for 0 dBu) <20 dB(A) SPL
Sine wave output with a THD < 0.5 % at 1 m in half space 95 dB SPL (>75 Hz)
Max. SPL calc. in half space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 118.7 dB SPL
Max. SPL in full space at 3% THD at 1m (averaged between 100 Hz and 6 kHz) 112.7 dB SPL
Bass capability: Max. SPL in half space at 3% THD at 1m (averaged between 50 Hz and 100 Hz) 107.5 dB SPL
Max. short term SPL with IEC-weighted noise (IEC 60268-5) at 1 m, in typical listening conditions 108 dB(C) SPL
Max. short term SPL with music material at 2.3 m in typical listening conditions (pair / full range) 100 dB(C) SPL
Max. short term SPL with music material at 2.3 m, in typical listening conditions (pair with subwoofer) 106 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair full range) 88 / 94 dB(C) SPL
Max. long term SPL with pink noise at 2.3 m, in typical listening conditions (single / pair with subwoofer) 88 / 94 dB(C) SPL
Dolby DARDT. Max SPL fullrange 114 dB SPL
Dolby DARDT. Max SPL bass managed 120 dB SPL
Recommended Listening Distance 1.0 … 2.5 m; (3'… 8')
Feasible Listening Distance 0.75 … 6.0 m; (2'6"… 18')
Acoustical Principle Bassreflex, Ports at the front
Analog Inputs and Outputs
Analog input(s) XLR: analog electronically balanced
Analog input impedance 24k Ohms
Max. input level +24 dBu for 94 dB SPL setting, +14 dBu for 100 dB SPL setting, +9 dBu for 108 dB SPL setting, -1 dBu for 114 dB SPL setting
Common mode rejection ratio (CMRR) >56 dB @ 15kHz
Volume control via MA 1 software
Volume control range; resolution 0 … -∞ dB; 0.1 dB
Analog dynamic range; THD+N (A-D-A) 118 dB, A-weighted, 90 dB
Digital Inputs and Outputs
Digital input(s) RCA (75 Ω): S/PDIF
Digital output(s) RCA (75 Ω): S/PDIF
Max. Digital Input Level; pk-pk, unbalanced / balanced 1.2 V
Digital converter: resolution; design 24 Bit
Digital converter: sampling rate 32 kHz..200 kHz
Digital internal sampling rate 48 kHz
Output sampling rate identical to input sample rate
Latency ADA / DA Analog Input,: 2.6 ms SPDIF Input: 2.1 ms
Delay: User adjustable delay range 0 … 120 ms
Delay: Resolution: time; distance 20.8 µs
Delay: Max. frames Audio-video synchronisation (lip sync) 0 … 120 ms for TOF=0ms, depends on APP implmentation
Delay: Time-of-flight maximum distance 0 … 120 ms for lipsync=0ms, depends on APP implmentation
Output level control (output level in 1 m based on 0 dBu input level) 94; 100; 108; 114 dB SPL
Input gain control (sensitivity) 0 dB ... -15 dB
Output level control (output level in 1 m based on 0 dBu input level) 94; 100; 108; 114 dB SPL
Equalization: Bass 0; -2; -4; -6 dB
Equalization: Low-Mid 0; -2; -4; -6 dB
Equalization: Treble +1; 0; -1; -2 dB
Input Select Analog; S/PDIF L; S/PDIF R; Mono
Ground Lift Yes
Control Local; Network
Mains Switch Yes
Mains Voltage Select -; Universal Power Supply 100 V~ … 240 V~
Electronics - Controller
Controller design Digital; active
Crossover frequency 1700 Hz
Crossover slope 24 dB / octave
Equalization: via Neumann.Control software No
Automatic room calibration via MA 1 Yes
FIR phase correction Linear phase (105 Hz ... 16 kHz; +/- 45°)
Protection circuitry Independent soft clip, peak and thermo limiters for woofer and tweeter; Woofer excursion limiter; thermo limiter for the electronics and amplifiers
Infrasonic filter: frequency; slope 38 Hz; 12 dB / octave
Remote control MA 1 software via an RJ45 connector carrying standard IP data
Display: On; Normal Operation Neumann logo “White”
Display: Identification Neumann logo “Rosé”
Display: Limit / Clip / Errors / Protection /Boot Mute / Shut Down Mute Neumann logo “Red”
Logo Brightness via MA 1 software
Electronics - Amplifiers and Power Supply
Output power woofer amplifier (THD+N with limiter deactivated: 10%) 145 W
Output power tweeter amplifier (THD+N with limiter deactivated: 10%) 100 W
Output power woofer amplifier (THD+N with limiter deactivated: 0.1%) 120 W
Output power tweeter amplifier (THD+N with limiter deactivated: 0.1%) 80 W
Mains Power Supply: input voltage; frequency SMPS: 100-240 V; 50/60 Hz
Power consumption (230 V / 100 V): Standby 0.3 W
Power consumption (230 V / 100 V): Idle 15 W
Power consumption (230 V / 100 V): Full output 320 W
Standby automatic, 90 mins (default); user defined in software
Mechanics
Cabinet material Composite polycarbonate front and rear, wooden sleeve
Cabinet surface finish; color (front / back) Painted, White (RAL 9016) / White (RAL 9016)
Operating conditions +10° C to +40° C (+50° F to +104° F); <75% RH, non-condensing
Transport/storage conditions -25° C to +60° C (-13° F to 140° F); <90% RH; non-condensing
Woofer 165 mm (6.5") with protecting white metal grille
Tweeter 25 mm (1") with protecting white metal grille
Mounting points 2 x M6 threaded inserts with 70 mm spacing on back panel; thread depth 15 mm; (5/8”)
Product dimensions (height x width x depth) 345 x 225 x 273 mm; (13.58" x 8.86" x 10.75")
External net volume 20.4 l
Packed cube 0.059 m³; (2.08 ft³)
Product weight 8.0 kg; (17 lbs 10 oz)
Packed dimensions (height x width x depth), mm (inches) 480 x 303 x 403 mm; (18.9" x 11.9" x 15.9")
Packed weight 9.4 kg; (20 lbs 12 oz)
Packed cube 0.059 m³; (2.08 ft³)
Delivery includes 1 x KH 150 black Mains cable(s) - depending on variant: EU / KC; UK; US; CCC 4 x Self-adhesive feet 1 x Getting Started Quickly guide 1 x Safety booklet
Acoustical Axis horizontal 112.5 mm; (4.4")
Acoustical Axis vertical (from bottom) 197 mm; (7.8")

Diagrams

KH 150 - Maximum SPL at 1 m

KH 150 - Maximum SPL at 1 m

KH 150 - Phase response

KH 150 - Phase response

KH 150 - Spectrogram

KH 150 - Spectrogram

KH 150 - Bass, Low-Mid and Treble Acoustical Controls

KH 150 -  Bass, Low-Mid and Treble Acoustical Controls

KH 150 - Frequency Response

KH 150 - Frequency Response

KH 150 - Harmonic Distortion at 80 dB SPL

KH 150 - Harmonic Distortion at 80 dB SPL

KH 150 - Harmonic Distortion at 85 dB SPL

KH 150 - Harmonic Distortion at 85 dB SPL

KH 150 - Group Delay

KH 150 - Group Delay

KH 150 - Harmonic Distortion at 90 dB SPL

KH 150 - Harmonic Distortion at 90 dB SPL

KH 150 - Harmonic Distortion at 95 dB SPL

KH 150 - Harmonic Distortion at 95 dB SPL

KH 150 - Vertical Directivity

KH 150 - Vertical Directivity

KH 150 - Horizontal Directivity

KH 150 - Horizontal Directivity
TLM 49 Set

LH 66

Table Stand

LH 66
TLM 49 Set

LH 28

Tripod Stand Adaptor

LH 28
TLM 49 Set

LH 29

TV-Spigot

LH 29
TLM 49 Set

LH 32

Wall Bracket

LH 32
TLM 49 Set

LH 37

Mounting Flange Adaptor

LH 37
TLM 49 Set

LH 43

Surface Mounting Plate

LH 43
TLM 49 Set

LH 45

Wall Bracket

LH 45
TLM 49 Set

LH 46

Adjustable Ceiling Drop Adapter

LH 46
TLM 49 Set

LH 47

Mounting Adaptor Plate

LH 47
TLM 49 Set

LH 48

Tripod Adaptor Plate

LH 48
TLM 49 Set

LH 61

Adjustable L-Bracket

LH 61
TLM 49 Set

LH 64

Omnimount/VESA Adaptor

LH 64
TLM 49 Set

MA 1

MA 1 - Automatic Monitor Alignment

MA 1

KH 150 W

Color white

CAT. NO. 509131

  • 1 x KH 150 Studio Monitor, white
  • 4 x White Mains Cables, white (EU/KC, UK, US and CCC)
  • 4 x Self-adhesive feet
  • 1 x Safety Guide
  • 1 x Supplement “Getting Started Quickly”

Suited for:

Reviews

TWO-WAY NEAR-FIELD MONITOR WITH DSP SYSTEM
Sound & Recording, 05/2022, German

TWO-WAY NEAR-FIELD MONITOR WITH DSP SYSTEM
Sound & Recording, 05/2022, English

NEUMANN KH 150, STUDIOMONITORE MIT DSP
Amazona.de, 01/2023, German
Link

Neumann KH 150 Test
Bonedo.de, 10/22, German
Link

SECRETS OF THE NEUMANN KH150
Music and Miscellany, 01/23, English
Link

Neumann KH150 Active Monitors
Sound on Sound 01/2023, English
Link

Neumann KH 150 Active Monitors - Thanks to Sound On Sound for allowing us to use this article on our website
Sound on Sound 01/2023, English
Download PDF

Neumann KH150 Active Monitors
Sound on Sound 01/2023, English
Link

Neumann KH 150 - Abhörmonitor mit DSP
proaudio.de, 01/2023, German
Link

WHAT OTHERS SAY

These monitors make any space sound great! Neumann MA1

Gear4music are testing the MA 1 Monitor Alignment

Gear4music Synths & Tech

Video

WARNING (for California residents only): This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects and other reproductive harm. For more information go to: www.p65warnings.ca.gov.

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