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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.

Locomotive Audio Copperline

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