3. K9's Knob/OUTPUT/GAIN/INPUT/Power Button Description

【Knob】

Turn clockwise to increase volume, counter clockwise to decrease volume. (Note: It is normal that there is no sound output about 15 degrees in front of the volume knob)

【OUTPUT】

Switch LO, PRE, PO three output modes:

LO means that the output is switched to the rear panel, and the volume knob can not adjust the volume. At this time, there is no sound from the headphone port on the front panel.

PRE means that the output is switched to the rear panel, and the volume knob can adjust the volume. At this time, there is no sound from the headphone port on the front panel.

PO means that the output is switched to the front panel, and the volume knob can adjust the volume. At this time, there is no sound from the interface on the rear panel. Please switch to [PO] to connect the earphones.

【GAIN】

1. Gain switch: H/M/L corresponds to high/medium/low gain, and the corresponding gain is 6dB/0dB/-6dB

2. The gain is invalid under Line out and BALANCED OUT output

3. When the gain is L/M, the THX power supply is 10V, and when the gain is H, the THX power supply is switched to 12.5V by software

【INPUT】

Switch K9 signal input 5 modes: USB, OPT: optical fiber, COAX: coaxial, LINE: line input, BT bluetooth

【Power Button/Multifunction Button】

Long press standby, press and hold for 2 seconds to enter standby mode, in standby mode, press and hold again for 2 seconds to exit standby mode.

Short press, the indicator light goes off, enters mute mode, all output ports of K9 stop output, at this time, turn the volume knob to restore the sound.