KH 350

Three-Way Monitoring
Dedicated bass, midrange, and high-frequency drivers deliver balanced, detailed sound across the full listening range.

Deep Bass Performance
Powerful low-frequency reproduction provides a confident full-range reference for mixing and mastering.

Controlled Directivity
Neumann’s waveguide design provides consistent sound dispersion, stable imaging, and reduced unwanted room reflections.

Nearfield and Midfield Flexibility
Designed to deliver accurate monitoring at both close and extended listening distances.

Advanced DSP Processing
Integrated digital processing optimizes performance and supports precise frequency and phase control.

MA 1 Room Alignment
Compatible with Neumann MA 1 Automatic Monitor Alignment for accurate room correction and monitor optimization.

Detailed Midrange Reproduction
High-resolution midrange performance helps reveal vocals, instruments, and critical mix details with clarity.

Immersive System Ready
Well suited to stereo, multichannel, and immersive monitoring systems, with consistent performance across larger installations.

Flexible Analog and Digital Connectivity
Supports both analog and digital audio sources for easy integration into professional studio workflows.

Network Control
Ethernet connectivity enables convenient setup, adjustment, and integration with compatible Neumann monitoring systems.

Reliable High-Level Performance
Generous output capability and protective processing support clean, dependable monitoring during demanding production work.

Consistent System Integration
Designed to work seamlessly with other KH-Line monitors and compatible Neumann subwoofers for scalable monitoring setups.

General Specifications
Device Type: Three-way DSP-powered midfield monitor
Application: Nearfield and midfield monitoring
Acoustic Principle: Bass reflex
Recommended Listening Distance: 1.2–3.0 m (4–10 ft)
Acoustical Axis Horizontal: 140 mm, center
Acoustical Axis Vertical: 405 mm from bottom
Automatic Room Calibration: MA 1 supported

Acoustic Performance
Free-Field Frequency Response ±6 dB: 27 Hz–21 kHz
Free-Field Frequency Response ±3 dB: 30 Hz–21 kHz
Pass-Band Free-Field Frequency Response: 32 Hz–20 kHz, ±1.25 dB
Free-Field Linearity Deviation, 100 Hz–10 kHz: ±0.8 dB
Self-Generated Noise at 10 cm: <20 dB(A) SPL
Sine-Wave Output, THD <0.5% at 1 m Half Space: 95 dB SPL above 58 Hz
Maximum SPL, 3% THD at 1 m Half Space, 100 Hz–6 kHz Average: 122.6 dB SPL
Maximum SPL, 3% THD at 1 m Full Space, 100 Hz–6 kHz Average: 116.6 dB SPL
Bass Capability, 3% THD at 1 m Half Space, 50–100 Hz Average: 109.7 dB SPL
Dolby D.A.R.D.T. Maximum SPL Full Range: 120 dB
Dolby D.A.R.D.T. Maximum SPL Bass Managed: 124 dB

Drivers
Woofer: 210 mm (8.25")
Midrange: 75 mm (3"), magnetically shielded
Tweeter: 25 mm (1"), protective black metal grille
Crossover Frequencies: 700 Hz, 1700 Hz
Crossover Slope: 24 dB/octave

Analog Audio
Analog Input: XLR, electronically balanced
Analog Input Impedance: >12 kΩ
Maximum Analog Input Level at 94 dB SPL Setting: +24 dBu
Maximum Analog Input Level at 100 dB SPL Setting: +14 dBu
Maximum Analog Input Level at 108 dB SPL Setting: +9 dBu
Maximum Analog Input Level at 114 dB SPL Setting: -1 dBu
Common-Mode Rejection Ratio: >56 dB at 15 kHz
Analog Dynamic Range: 118 dB(A)
Analog THD+N: -90 dB
Volume Control: MA 1 software
Volume Control Range: 0 dB to -∞
Volume Control Resolution: 0.1 dB

Digital Audio
Digital Input: BNC 75 Ω, AES3id
Digital Output: BNC 75 Ω, AES3id
Maximum Digital Input Level: 1.2 V
Converter Resolution: 24-bit
Converter Sample Rate: 32–200 kHz
Internal Sample Rate: 48 kHz
Output Sample Rate: Same as input sample rate
A-D-A Dynamic Range: 118 dB
Analog Input Latency: 2.6 ms
AES3id Input Latency: 4.7 ms

Signal Processing
Controller: Digital, active
DSP Audio Resolution: 32-bit
DSP Processing Precision: 64-bit double precision
FIR Phase Correction: Linear phase, 60 Hz–18 kHz, ±45°
Input Gain: 0 to -15 dB
Output Level Settings at 1 m for 0 dBu Input: 94, 100, 108, 114 dB SPL
Bass EQ: 0, -1, -2, -4 dB
Low-Mid EQ: 0, -1, -2, -3 dB
Treble EQ: +1, 0, -1, -2 dB
Input Selection: Analog, AES3id L, AES3id R, Mono
Delay Resolution: 20.8 µs / 0.71 mm (0.028")
Maximum Time-of-Flight Delay: 120 ms / 41.2 m (135 ft)
Ground Lift: Yes

Control and Network
Control Modes: Local, network
Remote Control: Ethernet and MA 1
Logo Brightness Control: MA 1 software
Normal Operation Indicator: White logo
Identification Indicator: Rosé logo
Limit, Clip, Error, Protection and Mute Indicator: Red logo

Protection
Protection Circuitry: Independent soft-clip, peak and thermal limiters for woofer and tweeter; woofer excursion limiter; thermal limiter for electronics and amplifiers

Amplification
Woofer Amplifier Output, 10% THD+N: 300 W
Midrange Amplifier Output, 10% THD+N: 160 W
Tweeter Amplifier Output, 10% THD+N: 125 W
Woofer Amplifier Output, 0.1% THD+N: 185 W
Midrange Amplifier Output, 0.1% THD+N: 125 W
Tweeter Amplifier Output, 0.1% THD+N: 125 W

Electrical
Power Supply: SMPS
Mains Input: 100–240 V AC, 50/60 Hz
Standby Power Consumption: <300 mW
Idle Power Consumption: 26 W
Full-Output Power Consumption: 320 W
Automatic Standby: 20 minutes default
Mains Switch: Yes

Construction
Cabinet Material: Composite polycarbonate front, wooden sleeve, aluminum electronics panel
Front Finish: Painted metallic anthracite, RAL 7021
Rear Finish: Black, RAL 9005
Mounting Points: 2 × M8 on side panels
Mounting Thread Depth: 25 mm (1") from cabinet exterior
Internal Net Volume: 35 L
External Net Volume: 52 L

Dimensions and Weight
Dimensions H × W × D: 545 × 280 × 363 mm (21.5 × 11 × 14.25")
Weight: 20.0 kg (44 lb 1 oz)
Packed Dimensions H × W × D: 649 × 474 × 399 mm (25.6 × 18.7 × 15.7")
Packed Weight: 24.8 kg (54 lb 11 oz)
Packed Volume: 0.123 m³ (4.34 ft³)

Environmental Requirements
Operating Temperature: +10°C to +40°C (+50°F to +104°F)
Operating Humidity: <75% RH, non-condensing
Transport/Storage Temperature: -25°C to +60°C (-13°F to +140°F)
Transport/Storage Humidity: <90% RH, non-condensing

Included Components
Monitor: 1
Mains Cables: 4, black, EU/KR, UK, US and CN
Safety Guide: 1
Getting Started Quickly Supplement: 1