User Manual

Operation Steps:
1.Make sure the VOL button to the minimum.
2.Connect the speakers according to the rear panel interface, pay attention to
distinguish between positive and negative.
3.Connect the sound source that needs to be used(Optional RCA/Bluetooth, U disk）
4.If the current playback state, inserting a U-disk will automatically jump to the
U-disk mode.
5.Connect to power.
6.Press the power switch.
Specifications:
Maxpower output
160W*2 4Ωload
THD
1W 0.05%
Speaker matching
impedance
4-8Ω
SNR
≥98dB
Working voltage
19-35V
Bare metal size
L118.5*W117.5*H35mm
Input sensitivity
0.775V
Total Weight
0.48kg
Frequency response
20Hz-20kHz(±3dB)
Package Dimension
L240*W210*H60mm
Support music format
MP3，WMA,APE,FLAC,WAV
Frequently Asked Questions:
Q: All the cables are connected, but no sound output?
A: 1. Check the POWER indicator is on, press the POWER button if the light is still
off, At this point you can find a other same output voltage power supply (must 12V)
to check if the power supply failure.If the POWER indicator light is on, check
whether the corresponding input signal is selected correctly.
2. If the indicator light is on, check whether the VOL knob is in the minimum
position. If so, turn clockwise to normal Volume.
3. If both of the above are normal, check the input device if it is paused, mute,
or the volume is minimized.
Q: Why does the sound is cracking?
A: This product is used in the DAC decoder and can also be used as a preamplifier.
If the rear stage device has the highest volume and the front stage is also the