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The PK-7 power supply is housed in a rugged metal chassis and has the capacity to power up to 12 RS-701 headsets. It supplies 24 volts DC at 0.4 amp to the system. The fully regulated, current-limited unit also provides proper termination for the intercom system. The PK-7 features both short-circuit and reverse polarity protection.

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


  • Single-Channel 0.4 Amp Portable Power Supply
  • Supports up to 30 Que-Com headset stations or 12 RS-701 beltpacks
  • Line and load regulated
  • Short-circuit protected

Item Code



dBu is an absolute measurement. 0dBu is referenced to 0.775 volts RMS

Mains Input

Input Voltage: 100-240V AC

Input Frequency Range: 50-60Hz

Power Output

Output Voltage: 22-30V DC

Output Current: <=400mA

Output Connectors: (3) XLR-3F

Front Panel Connectors and Indicators

Input Connector: (1) 2.1mm Co-axial connector

Indicators: (2) LEDs: red (overload), green (normal)


32° - 122°F (0° - 50°C)


3.8 x 2 x 4.7in (WxHxD)

(97 x 50.8 x 119mm)


1.0lbs (0.457kg)

Ready to get

Our team of communications professionals are here to support your project. Contact us today to start designing your custom intercom solution.

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