TT-2018 Rev_D Features:
- Up to 35 V input voltage
- 4-digit DIP switch to be used as board ID
- FM2018-NE Echo Cancellation controller included
- PICU control protocol on RS-485 half-duplex network
- MCU firmware update interface
- LM833 Dual Audio Operational Amplifier with wide dynamic range, low input noise voltage, high gain bandwidth, as well as low distortion
- Accepts most analog condenser omnidirectional microphones
- LM386 Low Voltage Audio Power Amplifier with voltage gain from 20 to 200 and 0.2% distortion