Audio-Technica AT-MX341b 4-Channel Automatic Mixer (Black)

Audio-Technica AT-MX341b 4-Channel Automatic Mixer (Black)

Audio-Technica AT-MX341b 4-Channel Automatic Mixer (Black)

Audio-Technica AT-MX341b 4-Channel Automatic Mixer (Black)

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  • 1Description
The black AT-MX341b 4-Channel Automatic Mixer from Audio-Technica is a microprocessor controlled, automatic switching, 4-channel microphone mixer. This SmartMixer is designed for live applications such as meetings, seminars, teleconferencing, worship services, radio and TV broadcasting, A/V applications, and more.

This mixer has four mic/line inputs with individual priority pre-select switch for each channel and individual gain controls for each channel. To custom tailor conferencing needs, the mode of each microphone channel can be independently switched via the priorty pre-select switches. The combination of switch settings results in three different modes of priority selection/operation. In any of the three modes of automatic operation, when everyone stops talking, the last microphone on will remain on. In a teleconferencing, recording, or broadcast application, this feature will provide continuous room ambience. This feature is cascaded throughout all linked mixers so that only one microphone in the entire system will remain on.

In Mode 1, wherein all the priority pre-select switches are up, the other microphones will remain on when the priority microphone(s) are active. This is useful for applications when any speaker is allowed to speak at any time. In Mode 2, wherein all the priority pre-select switches are down, the non-priority microphones will be attenuated by an adjustable value of 6 to 20 dB when the priority microphone is active. After the priority microphone stops, any microphone may come on but only one microphone may be active at a time. This mode is useful for applications when it is beneficial to have one person talking at a time. In Mode 3, wherein one priority pre-select switch is up, the priority microphone(s) can come on at any time and attenuate the other microphones. This mode is useful for applications when one speaker must be able to interrupt and speak over the other speakers. There is also a single threshold setting for all channels as well as a master output level control. The mixer has TTL logic output signals available to control speaker or camera switching, tally lights, and more.

AT-MX341-model mixers can be daisy-chained via the included AT8325/1.0 Link Cable and specialconnectors on the rear panel. The control bus and the audio are carried between mixers by the linkcable. The result is that all microphones on a multi-mixer system can be controlled by one microphoneconnected to any mixer. Since all of the mixers are independently powered, there is nopractical limit to the number of SmartMixers that can be daisy-chained. The mixer comes with an AC adapter, AT8325/1.0 link cable, two rack ears, and six self-tapping screws.

Four Mic/Line inputs with individual priority pre-select switch for each channel
Balanced inputs and outputs are individually switchable between mic and line-level
Individual gain controls for each channel
Single threshold setting for all channels
Switchable manual mode overrides automatic functions
Master output level control
Output level meter with Peak and RMS modes
TTL logic output signals available to control speaker or camera switching, tally lights, and more
12V phantom power individually selectable for each channel (line level does not accept phantom power)
Off attentuation for each input adjustable to -20 dB
Mounts in a single 19" half-rack space (sold separately)
Includes rack mount adapters
In the Box
Audio-Technica AT-MX341b 4-Channel Automatic Mixer (Black)
  • AC Adapter
  • AT8325/1.0 Link Cable
  • 2 x Rack Ears (1 Long, 1 Short)
  • 6 x Self-Tapping Screws
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description
    Input Impedance Mic: 4 kΩ
    Line: 30 kΩ
    Output Impedance Mic: 320 Ω
    Line: 200 Ω
    Maximum Input Level Mic: -20 dBV
    Line: +30 dBV
    Maximum Output Level Mic: -40 dBm (600 Ω)
    Line: +14 dBm (600 Ω)
    Nominal Output Level 0 VU
    Mic: -46 dBm (600 Ω), -44 dBV (open circuit)
    Line: +4 dBm (600 Ω), +4.4 dBV (open circuit)
    Maximum Gain ±70 dB
    Frequency Response 60 Hz to 30 kHz at -3 dB points
    Dynamic Range 75 dB+/-10 dB (dependent upon gain control settings)
    Equivalent Input Noise -120 dBV (150 Ω) at maximum gain
    Input Attenuation 10 dB
    Pads Mic/Line: 50 dB
    Phantom Power +12 VDC
    Control Voltage Out +4 VDC
    Power Supply 12 VAC or 15-18 VDC, either polarity, 300 mA, minimum
    Operating Temperature 32 to 104° F (0 to 40° C)
    Dimension (DxWxH) 9.38 x 8.25 x 1.75" (238 x 210 x 44 mm) including feet, knobs, and connectors
    Weight 3.1 lb (1.4 kg)
    Packaging Info
    Package Weight 2.9 lb
    Box Dimensions (LxWxH) 13.8 x 10.9 x 4.3"

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