Turn the front panel Left Knob is choose input 1-2-3-4. Press this knob is Standby.
Turn the front panel Right Knob is adjust volume.
The remote control also can control volume and choose input & Standby. on remote also has one Key Mute.
Input Impedance: 50K ohms
Package include:
Preamplifier X 1
Remote X 1 ( no battery included)
(NO IEC type mains power lead included)
Every preamp has been professionally tested in perfect working order before shipping! To maintain a stable & reliable high quality, there's no huge stock keeping and handling time may take longer occasionally. Thank you.