This module is designed for use in the Redback A4037 and A4377 range of amplifiers. The module provides a remote volume option to the amplifier when used with an A2280B remote volume wall plate. The remote volume module features minimum and maximum volume settings which are user set. When fitted the master volume of the amplifier can be adjusted remotely via the remote wall plate. The A2280B wall can be wired back to the rear of the amplifier to a maximum range of 100 metres.