Neumann KH 350 585W Active 3-Way DSP Studio Monitor

Neumann KH 350 585W Active 3-Way DSP Studio Monitor

The Neumann KH 350 active 3-way studio monitor combines an 8.25" woofer, 3" soft-dome midrange driver, 1" tweeter, 585W of Class-D amplification, and advanced DSP for accurate nearfield and midfield monitoring. Its bass-reflex enclosure extends response to 27 Hz, supporting full-range production and immersive mixing without requiring a subwoofer in many rooms.

Designed for recording, film scoring, postproduction, mastering, broadcast, music creation, and immersive audio, the KH 350 is optimized for listening distances from 4' to 10'. Neumann's large Mathematically Modeled Dispersion waveguide controls directivity and off-axis response, while ELFF woofer technology reduces distortion at high excursion. Its ±1.25 dB passband from 32 Hz to 20 kHz supports dependable tonal and spatial decisions.

A 32-bit audio DSP engine with 64-bit double-precision processing supports MA 1 Automatic Monitor Alignment and linear-phase FIR correction. Balanced analog XLR plus AES3id BNC digital input and output accommodate professional monitoring systems, while Ethernet-based control integrates the monitor with MA 1. Universal 100-240V power and automatic standby simplify permanent studio installation.

Key Features

• 585W Tri-Amplified System: Provides dedicated 300W LF, 160W midrange, and 125W HF amplification for controlled three-way reproduction.
• Extended Full-Range Response: Reaches 27 Hz at -6 dB and maintains a 32 Hz to 20 kHz passband within ±1.25 dB.
• 8.25" ELFF Woofer: Delivers deep low-frequency output with reduced distortion even during high-excursion operation.
• MMD Waveguide: Shapes high-frequency dispersion for stable imaging, controlled reflections, and consistent off-axis response.
• Advanced DSP Processing: Combines 32-bit audio DSP with 64-bit double-precision processing and linear-phase FIR correction.
• MA 1 Alignment Ready: Supports Neumann MA 1 Automatic Monitor Alignment for room-adapted frequency and phase optimization.
• Analog and AES3id Connectivity: Accepts balanced XLR analog audio and professional AES3id digital signals through 75-ohm BNC connections.
• Nearfield and Midfield Operation: Optimized for professional monitoring at approximately 4' to 10' listening distances.

Full-Range Three-Way Monitoring

The KH 350 uses a vertical three-way driver arrangement with a bass-reflex enclosure engineered for greater low-frequency extension and output. Its 8.25" woofer reaches substantially below typical compact monitors, while the dedicated 3" midrange driver maintains clarity through the critical vocal and instrument range.

585W Class-D Amplification

Three dedicated amplifiers drive the low-, mid-, and high-frequency sections independently. Neumann specifies 300W for the woofer, 160W for the midrange driver, and 125W for the tweeter at the stated higher-distortion test condition, providing substantial headroom for larger studios and immersive systems.

DSP, FIR Correction, and MA 1 Integration

The digital controller uses 32-bit audio processing with 64-bit double-precision calculations. Linear-phase FIR correction operates from 60 Hz to 18 kHz, while MA 1 compatibility enables automated frequency and phase alignment for compatible Neumann monitoring systems.

Professional Analog and AES3id I/O

A balanced XLR analog input accepts professional line-level sources, while 75-ohm BNC connections provide AES3id digital input and output. The converter supports 24-bit digital audio with input sampling rates from 32 kHz to 200 kHz, allowing the monitor to integrate directly into professional digital monitoring workflows.

Technical Specifications

• Brand: Neumann
• Model: KH 350
• Catalog Number: 700300
• Product Type: Active 3-Way DSP Studio Monitor
• Number of Included Monitors: 1
• Acoustic Principle: Bass reflex
• Recommended Listening Distance: 4' to 10'
• Feasible Listening Distance: 2.5' to 19'
• Free-Field Frequency Response, ±6 dB: 27 Hz to 21 kHz
• Free-Field Frequency Response, ±3 dB: 30 Hz to 21 kHz
• Passband Frequency Response: 32 Hz to 20 kHz, ±1.25 dB
• Linearity, 100 Hz to 10 kHz: ±0.8 dB
• Self-Generated Noise: Less than 20 dB(A) SPL at 3.9"
• Maximum SPL, Half Space: 122.6 dB SPL at 1 meter, averaged from 100 Hz to 6 kHz at 3% THD
• Maximum SPL, Full Space: 116.6 dB SPL at 1 meter, averaged from 100 Hz to 6 kHz at 3% THD
• Bass Capability: 109.7 dB SPL at 1 meter in half space, averaged from 50 Hz to 100 Hz at 3% THD
• Dolby DARDT Maximum SPL, Full Range: 120 dB
• Dolby DARDT Maximum SPL, Bass Managed: 124 dB
• Woofer: 8.25"
• Midrange Driver: 3" magnetically shielded soft dome
• Tweeter: 1" with protective metal grille
• Total Amplifier Power: 585W
• Woofer Amplifier: 300W at 10% THD+N with limiter deactivated
• Midrange Amplifier: 160W at 10% THD+N with limiter deactivated
• Tweeter Amplifier: 125W at 10% THD+N with limiter deactivated
• Woofer Amplifier at 0.1% THD+N: 185W
• Midrange Amplifier at 0.1% THD+N: 125W
• Tweeter Amplifier at 0.1% THD+N: 125W
• Controller: Digital active
• DSP Resolution: 32-bit audio, 64-bit double-precision processing
• Crossover Frequencies: 700 Hz and 1.7 kHz
• Crossover Slope: 24 dB/octave
• FIR Phase Correction: Linear phase from 60 Hz to 18 kHz, ±45°
• Automatic Room Calibration: MA 1 Automatic Monitor Alignment
• Analog Input: Electronically balanced XLR
• Analog Input Impedance: Greater than 12 kohms
• Analog Dynamic Range: 118 dB(A)
• Analog THD+N: -90 dB
• Digital Input: 75-ohm BNC AES3id
• Digital Output: 75-ohm BNC AES3id
• Digital Resolution: 24-bit
• Digital Input Sample Rate: 32 kHz to 200 kHz
• Internal Sample Rate: 48 kHz
• Digital Output Sample Rate: Same as input sample rate
• Analog Input Latency: 2.6 ms
• AES3id Input Latency: 4.7 ms
• A-D-A Dynamic Range: 118 dB
• Time-of-Flight Delay Range: 0 to 120 ms, equivalent to 0 to 135'
• Input Gain Control: 0 to -15 dB
• Output Level Settings: 94, 100, 108, 114 dB SPL at 1 meter for 0 dBu input
• Bass EQ: 0, -1, -2, -4 dB
• Low-Mid EQ: 0, -1, -2, -3 dB
• Treble EQ: +1, 0, -1, -2 dB
• Input Selector: Analog, AES3id L, AES3id R, Mono
• Ground Lift: Yes
• Control: Local and network
• Remote Control: Ethernet with MA 1
• Power Supply: Universal 100-240V AC, 50/60 Hz
• Standby Power Consumption: Less than 0.3W
• Idle Power Consumption: 26W
• Full-Output Power Consumption: 320W
• Automatic Standby: 20 minutes by default
• Cabinet Construction: Composite polycarbonate front, wooden sleeve, aluminum electronics panel
• Finish: Metallic anthracite front, black rear
• Mounting Points: 2 x M8 side-panel threads
• Dimensions: 21.5" H x 11" W x 14.3" D
• Weight: 44.1 lb
• Packed Dimensions: 25.6" H x 18.7" W x 15.7" D
• Packed Weight: 54.7 lb
• Operating Temperature: 50°F to 104°F
• Operating Humidity: Less than 75%, non-condensing
• Transport and Storage Temperature: -13°F to 140°F
• Transport and Storage Humidity: Less than 90%, non-condensing

What's In the Box

• Neumann KH 350 Studio Monitor
• EU/KR mains cable
• UK mains cable
• US mains cable
• CN mains cable
• Safety Guide
• Getting Started Quickly supplement