Reliable and ready for everyday production, this used Rolls PM351 unpowered mixer in good condition delivers clean, passive audio mixing without requiring AC power. It features three XLR microphone inputs, a stereo 1/4" line input, individual channel level controls, and a master output level for quick, straightforward balancing of sources. Compact and roadworthy, the PM351 is ideal for simple submixing, routing, and on-the-go setups where durability and simplicity matter.