telefuncen 10HP IoT 4-channel quantizer 8 x trigger/gate inputs 8 x DAC (DAC8568) 8 x ADC (ADC8688) MK20 (+ ESP8285) output range: -5V/+10V; in-the-loop compensated input range: -/+ 10V i/o sample rate: 40kHz/channel OSC-controlled depth ~ 25mm