Synth Unit is a unit designed for MIDl sound system Built-in SAM2695 audio synthesizer, input standard MIDI signal through serial communication, and realize various audio synthesis and processing functions, including audio synthesis, mixing, sound effect processing, etc Support configuration of multi-channel instrument sound source output and four-band EQ, reverberation and other parameter adjustment Equipped with NS4150BD class amplifier chip, providing clear audio output Suitable for improvisation, music production studio, electronic music stage and STEAM education 1. SAM2695 audio synthesis chip 2. Serial communication 3. Class D amplifier 4. MIDI standard protocol 5. Support configuration of multi-channel instrument sound source output 6. Support four-band EQ, reverberation and other parameter adjustment 7. Programming environment: for Arduino, UIFlow, etc Audio synthesis chip: SAM2695 Amplifier chip: NS4150B Sound standard protocol: MIDI Speaker: 8@1W Operating temperature: 0-40 (The product appearance and printed words may vary depending on the batch, but this does not affect use) Color: White Material: plastic Package Contents: 1x Synth Unit 1x Cable(20cm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.