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Neumann MT48 USB-C Audio Interface  From Neumann

4-in/8-out Audio Interface with 2 Mic/Line/Hi-Z Preamps, Digital I/O, MIDI I/O, DSP Effects and Touchscreen - USB-C Compatible with PC & Mac (Thunderbolt 3/4)

Neumann USA


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The Neumann MT 48 (Pt. 1/5) – Introduction

  • Signal Chain
    • Neumann MT48 USB-C Audio Interface

Manufacturer's Description from Neumann


The MT 48 brings Neumann quality to the digital workflow. It is the first audio interface in its class that is able to capture the full dynamic range of Neumann microphones and is optimally matched to the KH-Line of studio monitors and Neumann headphones. The result is an ideal signal chain without any bottlenecks: uncompromising sound quality from the microphone diaphragm to your ear.


The MT 48 was developed in close cooperation with the Swiss manufacturer Merging Technologies, whose high-precision AD converters offer a staggering dynamic range of 136 dB. This gives the MT 48 four times the resolution of comparable audio interfaces.

The MT 48 comes fully equipped for the reference-class personal studio: two extremely low-noise mic/line preamps with up to 78 dB gain, two line/instrument inputs, four monitor/line outputs and two superb headphone outputs, each with state-of-the-art AD/DA converters. The MT 48’s connectivity may be expanded via ADAT / S/PDIF and AES67; a MIDI interface is also integrated. Four separate monitor mixes can be controlled directly on the unit via touchscreen. On-board processing includes a fully parametric 4-band EQ and a 3-way dynamics processor (gate/compressor/limiter) per channel as well as a high-quality reverb. So musicians get inspiring sound for top performances. And there is still plenty of DSP power for future developments.


The MT 48 is an audio interface and digital mixing desk in one. You can use its DSP processing for monitoring only, or you can print effects while recording. Or both at the same time! Thanks to the unique Dual Output Technology, wet and dry signals can be recorded simultaneously via separate driver channels. So, if necessary, you can fall back on an unprocessed backup.


Despite its enormous scope of features, the MT 48 always remains easy to operate. All settings can be made on the device itself via the built-in touchscreen. The perfect monitor mix is just a touch away! Simply use your fingers to adjust pan pots, channel faders and much more, without having to switch to a mixer software on your computer. The MT 48 can even be operated stand-alone as a mixing console.

The MT 48 leaves nothing to be desired: audio quality at the highest level, built-in DSP processing, comprehensive expandability, and convenient operation via touchscreen. The MT 48 is the missing link in the Neumann universe, connecting microphones, loudspeakers and headphones to create the perfect studio.

Class-leading AD-converter resolution with a dynamic range of 136 dB

  • 2 premium-quality mic/line preamps, 2 pristine line/instrument inputs
  • 4 line/monitor outputs
  • 2 ultra-low impedance headphone outputs with adjustable crossfeed
  • ADAT / S/PDIF optical I/O, AES67, MIDI/GPIO
  • Two driver outputs per input channel for pre-FX and/or post-FX recording
  • Intuitive touchscreen user interface


Neumann USA

About Manufacturer

Specializing in some of the finest microphones in the world, Neumann has develpoed a top name in the industry for consistency, reliability, and sonic excellence. With microphones suited for the entire range of studio recording (and more recently live application), Neumann microphones are often a first choice for uncompromised acoustic reproduction.


Mic Inputs 1-2:
Dynamic Range:  136 dB-A
Equivalent Input Noise (150 Ohm):  -128 dBu-A
Input Impedance:  10 kΩ
Gain Range:  12…+78 dB in 0.5 dB steps or 0.1 dB (fine)
Pad:  12 dB/24 dB
Max. Input Level:  0 /+12/+24 dBu (without Pad/with Pad)
THD + N Preamp + ADC @1kHz, 0dBFS:  < -110 dB (0.0003%)

Line Inputs 1-2:
Dynamic Range:  138.5 dB-A
Input Impedance:  10 kΩ
Gain Range:  0…+66 dB
Sensitivity:  +24 dBu…-42 dBu
Max. Input Level:  +24 dBu
THD + N Preamp + ADC @1kHz, 0dBFS:  < -105 dB (0.0006%)

Instrument/Line Inputs 3 - 4:
Dynamic Range:  135 dB-A
Input Impedance:  2 MΩ (balanced) / 1 MΩ (unbalanced)
Gain Range:  0…+66 dB
Sensitivity:  +18 dBu … -48 dBu
Max. Input Level:  +18 dBu
THD + N Preamp + ADC @ 1kHz, 0dBFS:  < -112 dB (0.0003%)

Line/Monitor Outputs:
Output Impedance:  < 70 Ω
THD+N@ 1 kHz, 0 dBFS:  < -110 dB (0.0003%)
Dynamic Range:  123 dB-A
Max. Output Level:  +24 dBu

Headphone Outputs:
Output Impedance:  0.035 Ω
Dynamic Range:  122 dB-A (high) / 117 dB (low)
Max. Output Level:  +16 dBu (high) /+8 dBu (low)

AES67/Ravenna:  Standard RJ-45 Gigabit-Ethernet-Anschluss
Computer Interface:  USB-C, 2.0 High Speed (480 MB/s) or higher
Power Consumption:  <25 W
Expansion Connectivity:  ADAT/S/PDIF optical I/O, MIDI I/O via 1/4” jack,
(DIN5 adapter set available from Neumann: Cat. No. 700261)

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