FEATURES AND CONTROLS
(1)Blue LED Output Level Display
(2)Power On/Off and LED Indicator
Main power switch, the indicator lights when the amplifier is turned on.
(3)USB 2.0 Input Interface with LED Indicator
Press 
to play the last song backward, press 
to play the next song forward,
and press 
to play and/or pause the song. When the song is ceased from playing, it will be memorized to resume once the amplifier is reactivated and/or the USB input is selected again.
(4)USB/LINE Input Selector
Press in to select the USB input and press up for the LINE input. When it is switched to LINE input while the USB is still on playing, the playing signal of USB continues, just it is not sent to the amplifier's output.
(5)MASTER Volume Control
Lets you control the overall volume level.
(6)BASS and TREBLE Controls
Allows you to boost or attenuate bass and treble for the desired sound.
(7)LINE RCA Input
Lets you connect most high level audio sources such as CD player, tape deck, tuner, camcorder, or VCR. It is compatible with the computerized devices (MP3) via 3.5mm to RCA Converter.
(8)Push Type Speaker Terminal
Lets you easily connect speaker wires directly to the amplifier. The speaker impedance can be ranged from 4 to 8 Ohms for the general stereo output. The total speaker impedance must be at least
(9)110/220 Voltage Selector
This amplifier has selectable input voltage from 110V/60Hz (the standard in USA and CANADA) to 220V/50Hz (for EUROPEAN operation). Please make sure the switch is in the proper position before operating, otherwise, the severe damage will be incurred and not covered by the warranty.
(10)Replaceable Power Fuse
The amplifier uses a fuse for protection against surges and short circuit. If the amplifier suddenly turns off and will not turn on, check the fuse and if necessary replace it with a
3 - Pyle Pro PCAU33 Manual
