Your most valuable audio tools - all in one place
Featuring Variable Voltage Phantom Power
 
A Swiss Army Knife for Audio Engineers
The Copperline is a utility unit meant to be placed between a microphone and preamp or between two line-level devices. It's loaded with two channels of valuable features, including a 5-position attenuator, 5-position high pass filter, mute, vintage load, polarity, and never-before-seen variable voltage phantom power. Whether aiding your vintage mic preamps with modern features or joining two line-level devices, the Copperline will help you creatively alter your signal and shape your sound.