The Synth Unit is a compact, high-quality audio expansion designed for MIDI music systems. Featuring the advanced SAM2695 sound synthesizer, it receives MIDI data via serial communication and delivers professional-level results. Ideal for live shows, recording studios, electronic music innovation, and STEAM learning environments, this module supports a range of synthesis, mixing, and sound effect controls for full creative flexibility. It provides multi-channel instrument playback, adjustable four-band EQ, and customizable reverb, letting you craft distinct tones and refine your soundscape. Equipped with a premium NS4150B Class D amplifier, the Synth Unit ensures crisp, powerful audio each time. Features SAM2695 audio synthesis chip Supports serial MIDI protocol Integrated Class D power amplifier Multi-channel instrument playback Four-band EQ and reverb adjustments Compatible with Arduino, UIFlow, and more Includes 1x Synth Unit 1x Grove Cable(20cm) Applications Live jam sessions Music production and mixing Electronic stage performance STEAM and educational projects Arduino Synth Unit Example (drum) Synth Unit Example (piano)