Single-Channel 0.4 Amp Portable Power Supply

  • 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 Part Number:


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.

Technical Specifications

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)

Associated Products

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