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Audio Technica Pro - ATDM-0604 - Digital SmartMixer Automatic Mixer is available to buy in increments of 1

Audio Technica Pro - ATDM-0604 - Digital SmartMixer Automatic Mixer

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The ATDM-0604 automatic mixer is ideal for meetings, conferences, soft codec applications, courtroom proceedings, radio and TV broadcasts and other applications involving the use of multiple microphones or other media inputs. Audio-Technica’s SmartMixer® technology allows channels to be mixed automatically in gate or gain sharing mode, ensuring consistent, high-quality audio output from all inputs in a setup, without the introduction of feedback, excessive ambient noise, or comb filtering.

Controls and LED indicators on the mixer’s front panel allow users to easily adjust input/output and gain levels, set and recall presets, turn on/off phantom power, low-cut filter, automatic mixing and acoustic echo cancellation (AEC), change IP configuration (Auto or Static), and more. The ATDM-0604 also includes Web Remote functionality, which allows users to handle the aforementioned adjustments from a Windows-based PC, Mac, iOS or Android device, plus make additional changes to the input and output settings, select gate or gain sharing mode when using Smart Mix, and adjust other advanced settings.

The mixer is equipped with four balanced microphone inputs, two balanced Mic/Line inputs and one unbalanced stereo input, along with two balanced and two unbalanced outputs. Network (Cat5e or better) and USB ports are also included, as are A/B Audio-Technica Link ports that let users connect six ATDM-0604 mixers via Cat5e cable for simultaneous use within an expanded setup.


  • 4 balanced mic inputs, 2 balanced Mic/Line inputs and 1 stereo unbalanced input
  • 1 stereo and 2 mono outputs
  • 2-channel USB audio interface for soft codec (Skype, WebEx) integration or playback from computer
  • Full digital processing on inputs and outputs
  • 8 x 3 audio routing matrix
  • 6-channel Smart Mix (gate or gain sharing)
  • Onboard acoustic echo canceler (AEC) processing
  • Front panel direct operation and Web Remote functionality
  • IP control for third-party CCS administration
  • Up to 6 mixers can be linked using Cat5e cable


Input Impedance

Mic: 1600 ohms

Line: 10000 ohms

ST (L/R): 10000 ohms

Output Impedance

Balanaced: 150 ohms

Unbalanced: 150 ohms

Maximum Input Level

Mic: -20 dBu

Line: +24 dBu

ST (L/R): +20 dBV

Maximum Output Level

Balanaced: +10 dBV/+20 dBV/+ 24 dBu

Unbalanced: -13 dBV/ +10 dBV

Nominal Output Level Balanced: -10 dBV/0 dBV/+4 dBV Unbalanced: -33 dBV/-10 dBV
Maximum Gain 64 dB
Frequency Response 20 Hz to 20 kHz (Mic -16 dBu): ±1 dB 20 Hz to 20 kHz (Mic -60 dBu): +1/-2 dB 20 Hz to 20 kHz (Line 24 dBu): ±1 dB 20 Hz to 20 kHz (Line -40 dBu): +1/-2 dB
Dynamic Range 110 dB or higher, A-weighted/ST
Signal-to-Noise Ratio 90 dB or higher, A-weighted/ST
Headroom 20 dB or higher
Equivalent Input Noise -126 dBu or less, Rs=150 ohms, DIN
Common-Mode Rejection Ratio 80 dB or higher, 1 kHz
Residual Noise -86 dBu or less, A-weighted
Channel Separation -80 dB or less, 1 kHz unity
Total Harmonic Distortion 0.03% or less, 1 kHz unity
Mic/Line Input Pads -24 dB
Microphone Phantom Power +48V DC
Power Supply 100V-240V AC, 50-60 Hz, 17W
Power Consumption 17 W
Operating Temperature 32° to 104° F (0° to 40° C)
Operating Humidity Range 25% to 85% (with no condensation) 217.0
Dimensions 217.0 mm (8.54") W x 326.0 mm (12.83") D x 44.0 mm (1.73") H (including feet, knobs and connectors)
Weight 1.85 kg (4.1 lbs)
Accessories Included AC power cable; 10 Euroblock connectors; small rack-mount adapters; 4 rubber feet
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