The Topping RC21 is a remote control that is compatible with Topping DX7s, D70, DX3 Pro, and the D50s. It uses a CR2032 battery and lets you control the DAC or amps from the comfort of your seat.
Specs:
- Compatible with Topping DX7s, D70, DX3 Pro, D50s
- Uses CR2032 battery