Neumann MT 48 Audio Interface

The Neumann MT 48 is a cutting-edge audio interface designed for professional audio production, providing unparalleled sound quality and versatility. This sophisticated device caters to the needs of both studio and live sound environments, offering an array of features that ensure top-notch audio performance. The MT 48 is equipped with advanced digital technology and high-quality analog components, making it an essential tool for recording, mixing, and mastering.

Featuring a sleek and robust design, the MT 48 integrates seamlessly into any studio setup. Its user-friendly interface allows for easy navigation and adjustment of settings, ensuring that users can focus on their creative process without being bogged down by complicated controls. With its high-resolution converters and low-latency performance, the MT 48 guarantees pristine audio reproduction and minimal signal degradation, making it a reliable choice for professionals.

Whether you're working on a complex multi-track recording or a live sound project, the MT 48 delivers exceptional clarity and detail. Its comprehensive connectivity options and flexible routing capabilities provide the versatility needed to handle a wide range of audio applications. The MT 48 is engineered to meet the demands of modern audio production, making it a valuable addition to any professional's toolkit.

Key Features

• High-resolution A/D and D/A converters for superior audio quality
• Low-latency performance ensures seamless recording and playback
• User-friendly interface with intuitive controls
• Comprehensive connectivity options for various audio sources
• Durable construction designed for professional use

Technical Specifications

Dimensions
200 x 128 x 40 mm (7.87" x 5.04" x 1.57")
Weight
950 g (2.09 lbs)
Temperature Range
Operation: 5 – 40 °C (41 – 104 °F)
Storage: -40 – +70 °C (-40 – 158 °F)
Relative Humidity
≤ 95 %, non-condensing @ 30 °C

Microphone Inputs 1 - 2
Connector Type
Combo locking Neutrik XLR / TRS
Dynamic Range (Mic / Mic Lift)
136 dB / 129 dB (A-weighted, typ.)
Max. Input Level (Mic Pad)
-24 dB / -12 dB / off: +24 dBu / +12 dBu / +0 dBu
Frequency Response (fs = 48 kHz)
9 Hz – 22 kHz (+0/-0.2 dB)
Frequency Response (fs = 96 kHz)
9 Hz – 46 kHz (+0/-3 dB)
Frequency Response (fs = 192 kHz)
11 Hz – 94 kHz (+0/-3 dB)
THD+N Preamp + A/D (1 kHz @ 0 dBFS)
< -110 dB (0.0003%)
Interchannel Crosstalk (1 kHz)
< -130 dB
Equivalent Input Noise (Mic / Mic Lift, 150 Ω Source)
< -125 dBu / -128 dBu (A-weighted, typ.)
Common Mode Rejection Rate (20 Hz – 20 kHz)
> 80 dB (up to 0 dBu)
Input Impedance
~ 5 kΩ / ~ 10 kΩ (single-ended / differential)
Gain Range (Software Controlled)
+66 dB
Gain Step Coarse / Fine
0.5 dB / 0.1 dB
Phantom Power
+48 V (software switchable per channel)
Phase Reverse
Yes (software switchable per channel)
Low Cut Filter
-12 dB/octave, 60 Hz (software switchable per channel)
5° Low-End In-Channel Ø Deviation pt: Mic
< 10 Hz
Interchannel Phase (10 Hz - 100 kHz)
< ±0.5°

Line Inputs 1 - 2
Connector Type
Combo locking Neutrik XLR / TRS
Dynamic Range
138.5 dB (A-weighted, typ.) (ref +24 dBu)
Max. Input Level
+24 dBu
Input Impedance
~ 5 kΩ / ~ 10 kΩ (single-ended / differential)
Gain Range (Software Controlled)
+66 dB
THD+N Preamp + A/D (1 kHz @ 0 dBFS)
< -105 dB (0.0006%)
Interchannel Crosstalk (1 kHz)
< -140 dB
Sensitivity Range for 0 dBFS (Software Controlled)
+24 dBu to -42 dBu
Common Mode Rejection Rate (20 Hz – 20 kHz)
> 80 dB (up to 0 dBu)
5° Low-End In-Channel Ø Deviation pt:
< 10 Hz
Interchannel Phase (10 Hz - 100 kHz)
< ±0.5°

Instruments / Hi-Z & Line Inputs 3 - 4
Connector Type
¼" (6.3 mm) TRS female
Dynamic Range
135 dB (A-weighted, typ.) (ref +18 dBu)
Max. Input Level
+18 dBu
Input Impedance
~ 1 MΩ / ~ 2 MΩ (single-ended / differential)
Gain Range (Software Controlled)
+66 dB
THD+N Preamp + A/D (1 kHz @ 0 dBFS)
< -112 dB (0.0003%)
Interchannel Crosstalk (1 kHz)
< -150 dB
Sensitivity Range for 0 dBFS (Software Controlled)
+18 dBu to -48 dBu
Common Mode Rejection Rate (20 Hz – 20 kHz)
> 70 dB (up to 0 dBu)
5° Low-End In-Channel Ø Deviation pt:
2 Hz
Interchannel Phase (10 Hz - 100 kHz)
< ±0.5°

Outputs 1 - 2
Connector Type
Neutrik XLR male
Dynamic Range
123 dB (A-weighted, typ.)
Max. Output Level (Differential/Single Ended)
+24 dBu (12.2 Vrms) / +18 dBu (6.1 Vrms)
Frequency Response (fs = 48 kHz)
6 Hz – 22 kHz (+0/-0.2 dB)
Frequency Response (fs = 96 kHz)
2 Hz – 46 kHz (+0/-3 dB)
Frequency Response (fs = 192 kHz)
2 Hz – 92 kHz (+0/-3 dB)
Output Impedance
< 70 Ω
THD+N (1 kHz @ 0 dBFS)
< -110 dB (0.0003%)
Output Level Matching
±0.1 dB
Attenuation Range (Software Controlled)
-∞ dB to 0 dB
Gain Step / Precision
0.5 dB / ±0.05 dB

Line Outputs 3 – 4
Connector Type
¼" (6.3 mm) TRS female
Dynamic Range
123 dBFS (A-weighted, typ.)
Max. Output Level (Differential/Single Ended)
+24 dBu (12.2 Vrms) / +18 dBu (6.1 Vrms)
Frequency Response (fs = 48 kHz)
6 Hz – 22 kHz (+0/-0.2 dB)
Frequency Response (fs = 96 kHz)
2 Hz – 46 kHz (+0/-3 dB)
Frequency Response (fs = 192 kHz)
2 Hz – 92 kHz (+0/-3 dB)
Output Impedance
< 70 Ω
THD+N (1 kHz @ 0 dBFS)
< -110 dB (0.0003%)
Output Level Matching
±0.1 dB
Attenuation Range (Software Controlled)
-∞ dB to 0 dB
Gain Step / Precision
0.5 dB / ±0.05 dB

Headphones
Headphone Sockets
2 independent ¼" (6.3 mm) TRS female stereo
Dynamic Range (A-weighted, typ.) High / Low
< -122 dB / -117 dB
Max. Output Level High / Low
16 dBu / 8 dBu
Frequency Response (fs = 48 kHz)
6 Hz – 22 kHz (+0/-0.2 dB)
Frequency Response (fs = 96 kHz)
2 Hz – 46 kHz (+0/-3 dB)
Frequency Response (fs = 192 kHz)
2 Hz – 92 kHz (+0/-3 dB)
Output Impedance
< 70 mΩ
THD+N (1 kHz @ 0 dBFS) High / Low
< -108 dB (0.00039%) / < -110 dB (0.0003%)
Gain Range (Software Controlled)
-∞ dB to 0 dB
Gain Step / Precision
0.5 dB / ±0.05 dB

Complementary I/O
RAVENNA / AES67
Gigabit Ethernet - Standard RJ-45 socket
USB
USB-C 2.0 High speed interface up to 480 MB/s compatible with USB 2.0 or higher port
Built-in Talkback Mic
Mono omnidirectional CMOS/MEMS membrane technology
GPIO/MIDI in/out
¼" (6.3 mm) TRS female
Optical I/O
ADAT: 8 in / 8 out @ 44.1 kHz/48 kHz, 4 in / 4 out @ 88.2 kHz/96 kHz, 2 in / 2 out @ 176.4 kHz/192 kHz
S/PDIF: 2 in / 2 out up to 96 kHz

General Device
Top Panel Display
Capacitive touch, TFT LCD 800 x 480 pixels
Power Supply
USB-C - supports USB PD3.0 Revision 2.0 v1.3
Power Consumption
< 25 W
Power Over Ethernet
IEEE 802.3at (PoE+) class 0 PoE standard
Housing Material
Premium machined and anodized aluminum