USB 3451 / 3461 / 3471 / 3481
Car Power Amplifier
INSTRUCTIONS FOR FUNCTIONS AND CONTROLS
1 LINE INPUT Left and right channels inputs of the amplifier system. Preamplifier
outputs of a source ( head unit,CD player,DAT,etc. ) or of an external electronic
crossover must be connected to them
2 HIGH INPUT High level input terminals.
3 LEVEL Knob for volume adjustment.
4 LPF Low pass frequency adjusting knob,the frequency ranges from 40Hz to 250Hz.
5 X-OVER Optional switches for high pass filter(HPF)/full pass filter(FULL)/low pass filter(LPF)
6 HPF High pass frequency adjusting knob,the frequency ranges from 80Hz to 500Hz.
7 BASS BOOST Bass boost knob ,the boost ranges from 0dB to +12dB.
8 REMOTE CONTROLLER OUTLET To be connected with the remote controller, which
helps to boost the bass. Pls turn the knob of BASS BOOST to 0dB before using the remote controller.
9 REMOTE CONTROLLER Bass boost knob ,the boost ranges from 0dB to +12dB.
10 INDICATOR LIGHT When this LED sends out blue light, it means that this amplifier have
being working now.When this LED sends out red light, it means that the self-protection of the
amplifier.
11 FUSE Standard automatic fuse, you must use the same power fuse if you need to change it.
12 SPEAKER Speaker connecting terminals.
© US Blaster Europe BV
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