Neumann KH 310 D - Active Studio Monitor with Digital Input and Delay (Left)

Product Description

The right sided Neumann KH 310 D – Active Studio Monitor with Digital Input and Delay combines a 1″ titanium fabric dome tweeter and a 3″ fabric dome midrange with a neodymium magnet.

Additional information

Weight 36.95 lbs
Dimensions 23.1 × 15.1 × 14.6 in


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The right sided Neumann KH 310 D – Active Studio Monitor with Digital Input and Delay combines a 1″ titanium fabric dome tweeter, a 3″ fabric dome midrange with a neodymium magnet, and an 8.25″ long throw composite sandwich woofer with an extremely linear force factor and a ribbed surround, all powered by class AB analog amplification.

The drivers were designed using modeling techniques to minimize non-linear (inter-modulation) distortion, and each driver has an independent thermo limiter to protect the voice coils. It can be used as a near-field monitor, as a front loudspeaker in mid-sized multi-channel, or as a rear loudspeaker in a larger multi-channel system for project, music, broadcast centers, OB vans, and post production studios for tracking, mixing, and mastering.

The speaker features both analog and daisy-chainable digital BNC I/O for flexible digital inter-connectivity (24 bit, 192 kHz, AES3, and S/P-DIF). It also features digital Lipsync delay (from 0 to 10/12 frames) for aligning audio and video signals as well as digital time-of-flight delay (from 0 to 400 ms) to compensate for different listening distances.

The front panel is made from one piece without discontinuities to reduce diffraction with protective metal grills and the cabinet is made of magnetically shielded aluminum to reduce resonances, improve heat dissipation, and extend the operating lifetime of the unit.

The Neumann KH 310 D system delivers a free field frequency response of 34 to 21,000 Hz with 4-position bass, low-mid, and treble acoustical controls for tailoring the response to different rooms and an input gain control from 0 to -15 dB. The front panel Neumann logo functions as an LED indicator for power and clip/limiting but can also be dimmed for light applications and for use when placed behind screens. A variety of wall, ceiling, truss, subwoofer, stand, and surface mounting options are available as well as transportation options through a range of accessories (sold separately).

Powerful Alloy Fabric Dome

  • Provides low-distortion high frequency sound reproduction

Elliptical Mathematically Modeled Dispersion Waveguide

  • Provides smoother off-axis response for more forgiving and diverse acoustic environments and reduced reflections off the mixing console

In-House Simulated Drivers

  • Uses latest modeling techniques to minimize non-linear (inter-modulation) distortion

Fabric Dome Neodymium Magnet Midrange Driver

  • Uses dedicated midrange driver to reproduce important midrange frequencies, which is especially important for speech and vocals with a faster transient response and less breakup modes than cone designs. The high power magnet reduces harmonic and inter-modulation distortion

Long Throw Composite Sandwich Cone Bass Driver with Extremely Linear Force Factor & Ribbed Surround

  • Provides damping of break-up modes and low distortion at high sound levels. The linear piston motor gives a very low harmonic distortion even at high excursions with reduced radial break-up modes on the ribbed surround

Two-Color + Dimmable Neumann Logo

  • Displays operation status and activation of the extensive protection system

Compact Sealed Three-Way Cabinet Design (Magnetically Shielded)

  • Ensures no standing wave resonances and faster bass transient response with reduced inter-modulation distortion in the midrange

One-Piece Front Panel Without Discontinuities

  • Reduces diffraction and smoother frequency response

Powerful Analog Class AB Amplifiers With Ample Headroom

  • Improves transient response

Independent Thermo Limiters for Woofer, Midrange Dome, and Tweeter

  • Protects voice coils and provides fast acting highly reliable operation and extraction of the maximum performance from the system

Production Consistency

  • Ensures matched pairs

4-Position Bass, Low-Mid and Treble Acoustic Controls

  • Enables more control in diverse acoustical environments

Wide Range of Input Gain and Output Level Controls

  • Enables easier interfacing with signal sources

Ground Lift

  • Reduces noise in electrically noisy environments and over comes ground loops

Digital XLR and BNC Inputs With Buffered BNC Output

  • Provides flexible and trouble-free digital inter-connectivity (24-bit, 192 kHz, AES3 and S/P-DIF)

Lipsync Delay (0 to 10/12 Frames)

  • Allows you to align audio and video signals

Time-Of-Flight Delay (0 to 400 ms)

  • Allows system to compensate for listening distance differences

Universal Switched-Mode Power Supply (100 to 240 V)

  • Allows for one version to work in any country and with poor quality main power supplies

Mounting Hardware Options

  • Offers flexibility in mounting cabinets in more diverse locations and provides backwards compatibility with previous models

Optional Metal Grill

  • Protects against mechanical damage

Optional Transportation Accessories

  • Offers soft carry bag with space for cables and a robust wooden flight case

Display Dimmer

  • Allows adjustments for low lighting conditions or behind the screen applications

Neumann KH 310 D R Features


  • Frequency Response Free Field:
    • 34 to 21,000 Hz ±3 dB
    • Pass Band Free Field: 36 to 20,000 Hz ±2 dB
  • Self Noise: < 20 dB(A) at 10 cm
  • Total Harmonic Distortion (THD): > 85 Hz (<0.5% at 95 dB SPL at 1 m)
  • Max SPL Level:
    • Full Space: 110.3 dB
    • Half Space at 3% THD at 1 M: 116.3 dB
    • Short Term SPL with IEC-Weighted Noise: 113 dB(C)
    • With Music Material at 2.3 m (pair): 100 dB(C) (full range), 107 dB(C) (with subwoofer)
    • Long Term SPL with Pink Noise at 2.3 M, In Typical Listening Conditions (single/pair): 93/99 dB(C) SPL (full range, 94/100 dB(C) SPL (with subwoofer)
  • Bass Capability: 104.5 dB (Averaged between 50 and 100 Hz at Max SPL in half space at 3% THD at 1 m)


  • Amplifier:
    • Woofer: 150 W (210 W peak)
    • Midrange: 70 W (90 W peak)
    • Tweeter: 70 W (90 W peak)
  • Controller Design: Analog, active
  • Crossover Frequencies:
    • 650 Hz
    • 2,000 Hz
  • Crossover Slope: 24 dB/octave, 4th order
  • Equalization:
    • Bass: 0, -2.5, -5. -7.5 dB
    • Mid: 0, -1.5, -3, -4.5 dB
    • High: +1, 0, -1, -2 dB
  • Protection Circuits: Independent thermo limiters for woofer, midrange dome and tweeter, woofer soft clip and excursion limiters
  • Infrasonic filter protection: 15 Hz; 6 dB/octave
  • Input: XLR, analog electronically balanced
  • Impedance: > 13 k Ohms
  • Input Gain Control: 0 to -15 dB
  • Output Level Control: 94, 100, 108, 114 dB SPL
  • CMRR: > 56 dB at 100 to 15,000 Hz
  • Maximum Input Level: 24 dBu (+18 dBu for analog delayed)
  • Indicators:
    • Power On: Neumann logo “white”
    • Limit/Clip: Neumann logo “red”
  • Power Supply: 100 to 240 V; 50/60 Hz
  • Power Consumption:
    • Idle: 30 W
    • Full Output AC: 300 W

Digital Audio I/O

  • BNC Connectors:
    • AES3
    • S/P-DIF
  • Impedance:
    • BNC: 75 Ohms (input/output)
    • XLR: 110 Ohms
  • Format: AES3
  • Input Switching: Analog, Digital A, Digital B, Digital A+B (all available with and without delay)
  • Resolution: 16 to 24-bit DAC, Δ∑
  • Sampling Rate: 32 to 192 kHz
  • Sensitivity: -18 dBFS
  • Dynamic Range: 120 dB
  • Delay:
    • Audio-Video: 0 to 409.5 ms
    • Time-of-Flight: 0 to 409.5 ms
    • Audio-Video/Lip Sync Max Frames: 0 to 10.2 (40 ms) frames, 0 to 12.3 (33 ms) frames
  • Time: Resolution: 0.1 ms / 3.4 cm (1.375″)
  • Latency: D-A: 0.22 to 1.85 ms A-D-A: 0.54 ms


  • Cabinet:
    • Painted wood and polyurethane, Anthracite (RAL 7021)
    • Aluminum electronics panel, Black
  • Cover: Optional removable metal grille
  • Operating Conditions:
    • +50 to +104° F (+10 to +40° C)
    • <90% relative humidity, no- condensing
  • Drivers:
    • Magnetically Shielded
    • Woofer: 8.25″ (210 mm)
    • Midrange: 3.00″ (75.0 mm)
    • Tweeter: 1.00″ (25.0 mm)
  • Design: Sealed
  • Mounting:
    • 2x M8 on side panels that are 1″ (25 mm) from outside of cabinet
    • Rear panel screws for attaching LH 41 base plate
    • Rear panel bracket
  • Volume:
    • Internal: 16.2 liters
    • External: 28.3 liters
  • Dimensions (H x W x D): 10.000 x 15.125 x 11.500 (590.0 x 380.0 x 360.0 cm)
  • Weight: 14.875 lb (13.100 kg)

Packaging Info

  • Package Weight:36.95 lb
  • Box Dimensions (LxWxH): 23.1 x 15.1 x 14.6″