Used Roland MM-4 MIDI Interface

Used Roland MM-4 MIDI Interface in good condition, ideal for adding reliable MIDI connectivity to your studio or live rig. This compact 1U interface provides 4 MIDI inputs and 4 MIDI outputs (64 channels total), making it easy to route multiple keyboards, sound modules, and sequencers with stable timing. Built with Roland’s road-ready design, the MM-4 delivers straightforward operation and dependable performance for classic hardware setups or hybrid MIDI systems.