The MA40 is a mini amplifier providing 40W output at 4ohm (low impedance). It is fitted with a microphone input with EQ and input gain adjustment, a further two line inputs, an RL-1 remote wall plate connection, music mute connection and dip switch settings providing Line 1 priority and mic priority switching in addition to switching on/off of the RL-1 functionality.

The MA40 is powered via 12-24V external power supply, offers negative earthing, making it extremely suitable for transport applications, digital signage applications and de-centralised solutions.