Owners Manual

1
INTRODUCTION
Thank you for purchasing Applied Research and Technology’s HeadAmp 4 Pro. After getting
familiar with the HeadAmp 4 Pro, you’ll realize what a great investment you’ve just made.
The HeadAmp 4 Pro is a unique product. It contains five high quality headphone amps and
adds talkback to any one or all of the outputs as well as the ability to monitor or mix any input to
a special output. The HeadAmp 4 Pro was designed and constructed with the best components,
assuring a lifetime of quiet, reliable performance.
The HeadAmp 4 Pro offers:
• Five high quality headphone amplifiers
• 1/4” TRS stereo inputs and outputs
• Talkback to 1 or more outputs
• Listen to one or more inputs
• Optional external talkback mic
• Phantom power for external mic
• Remote talkback footswitch jack
• Expandable architecture
• Custom rugged extruded aluminum chassis