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The MA-704 Leader Control and Talent Access Station provides individual access to the four Talent channels. The ALL button simultaneously accesses all Talent positions of the MA-704 and each AX-704 expansion station. It contains the audio line-driver circuits for cue audio. One MS-704 is required at each talent access control location.

Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.


  • Four Talent channels
  • All IFB button simultaneously access all Talent channels
  • Tally lights indicate IFB channels in use
  • Optional rack mount kit for up to 12 talent access buttons in a 1RU
  • Powered by the intercom line

Item Code



Panel Microphone Input

Input Type: Electret

Input Impedance: >=2kΩ 

Mic Limiter Threshold: 0dB ± 3dB

Mic Limiter Range: >= 15dB

Frequency Response

Panel Mic - Talent: 200 - 18kHz ± 3dB

Extension Line - Talent: 200 - 18kHz ± 3dB

Max Distortion

Panel Mic - Talent: <= 0.5%

Extension Line - Talent: <= 0.1%


Panel Mic – Talent: < -65dBu

Extension Line - Talent: < -85dBu

Max Gain

Panel Mic - Talent: <= 40dB

Program Input - Talent: <= -45dB


Input Voltage Range: 20-30V DC

Input Current (Idle): <= 140mA

Input Current (Max): <= 180mA

Rear Panel Connectors

IFB Input: (1) XLR6F-Switchcraft pin layout*

IFB Ext.: (1) XLR6M-Switchcraft pin layout*

Extension Bus Out: (1) 1/4 TRS jack

External Line In: (1) 1/4 TRS jack

Mic Gain: (1) Gain adjust Requires a cable with 4 shielded pairs.

Front Panel Controls & Indicators

(5) Talk buttons (1) 1/4 Threaded TRS Microphone Socket


32° - +122°F (0° - +50°C)


6.3 x 1.75 x 5.5in (WxHxD)

(160 x 44 x 140mm)


1.71lbs (0.78kg)

*IMPORTANT: XLR Connector Compatibility Clear-Com products featuring 6-pin XLR connectors utilize the Switchcraft XLR pin layout. Compatible connectors are available from manufacturers, such as Switchcraft and Neautrik, yet compatibility must be verified. Neutrik 6-pin XLR connectors must include “S” in the part number to ensure compatibility.


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