Wolff Audio Collaborator

Wolff Audio COLLABORATOR

High-definition four-channel headphone amplifier with individual volume controls.
The Collaborator is a high-definition reference headphone amplifier system built to be extremely rugged. It features four powerful analog high-definition headphone amplifiers housed in a sturdy steel enclosure. A “HearMe” foldback microphone is included.

Each headphone amplifier has its own controls and output. The external power supply provides excellent power and ample headroom when needed.