JV16 50K Two Channel HiFi Remote Volume Control Board Dual Display 64 Level Magnetic Latching Relay Preamplifier Kit

NOTE:

Choosing [Diy All Kit] requires welding and assembling by yourself.

Product Details:

All aluminum remote control

Exponential type matching VISHAY wafer resistance, constant input impedance 50K, smooth adjustment.

Omron magnetic latching relay (5MM*6.5MM*10MM), after changing the state, it will not be energized to reduce coil interference.

STC single chip microcomputer, strong anti-interference ability, power-off memory.

Both digital tube drive and relay drive use dedicated chips.

Encoding switch control.

With optocoupler isolation external control switch signal, you can purchase JP5 power switch board to switch the external power supply.

AC9V power supply, 3 relays for 3 inputs, 6 relays for 64-level volume, 1dB step, total attenuation 63dB.

Motherboard PCB: 76MM*54MM

Display board PCB: 182MM*24MM

Package list:

1 × JV16 Finished board or Diy All Kit (optional)

1 × All aluminum remote control (no battery)