B091SSW79W Topuality Miniengine USB MIDI Sound Module MIDI Synthesizer MIDI Generator MIDI Interface Devices Electronic Instrument Equipment

Provides 128 standard G-M tones, up to 64 polyphony output.
16 bit sampling accuracy of the data, 48kHz sampling frequency, 24dB sound digital filtering.
Data rotary knob to adjust Volume, Program, Reverb effects.
LED shows the value of the current volume, program, reverb.
Either MIDI or USB connection can be manifested no delay.