Unit Synth is a unit specifically designed for MIDI sound systems, featuring a built-in SAM2695 audio synthesizer. It receives standard MIDI signals through serial communication, enabling various audio synthesis and processing functions, including audio synthesis, mixing, and sound effects processing. The unit supports configuring multi-channel instrument sound source outputs and allows adjustments to parameters such as four-band EQ and reverb. Additionally, it is equipped with an NS4150B Class D amplifier chip, providing clear audio output. This product is suitable for applications such as improvisation, music production studios, electronic music stages, and STEAM education.