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A601 CONNECTIONS + CONTROLS
1 INPUT SIGNAL SELECTION
Slide switch to select the input signal for all channels. “2-CH” to use only CH1/CH2 input
terminal for all output channels. “6-CH” to give each output channel its corresponding
input channel.
2 AUTO-TURN-ON MODE
Slide switch to select the auto-turn-on function: REM by remote wire, VOX to switch on
by music signal or DC by DC offset signal of the head units integrated amplier.
3 INPUT SENSITIVITY CONTROL CH1/CH2
Input gain potentiometer “SENS” for channel CH1/CH2, to match the output voltage of
the head unit to the amplier’s input.
4 OPERATION MODE SWITCH CH1/CH2
Slide switch to select the operation mode of the X-over for section CH1/CH2 of the
amplier: Highpass [HPF], Lowpass [LPF] or full signal [FULL].
5 X-OVER FREQUENCY CONTROL CH1/CH2
Control potentiometer to adjust the highpass or lowpass ltering frequency for section
CH1/CH2 of the amplier.
6 INPUT SENSITIVITY CONTROL CH3/CH4
Input gain potentiometer “SENS” for channel CH3/CH4, to match the output voltage of
the head unit to the amplier’s input.
7 OPERATION MODE SWITCH CH3/CH4
Slide switch to select the operation mode of the X-over for section CH3/CH4 of the
amplier: Highpass [HPF], Lowpass [LPF] or full signal [FULL].
8 X-OVER FREQUENCY CONTROL CH3/CH4
Control potentiometer to adjust the highpass or lowpass ltering frequency for section
CH3/CH4 of the amplier.
9 POWER LED
LED to show the operating status of the amplier by blue/red illumination. Blue is normal
working state, red is protect mode of amplier.
10 SIGNAL INPUTS FRONT CH1/CH2
Low-level stereo RCA signal or high-level speaker signal input terminal for connection to
head-unit.
11 SIGNAL INPUTS FRONT CH3/CH4
Low-level stereo RCA signal or high-level speaker signal input terminal for connection to
head-unit.
12 INPUT MODE SELECTION CH1/CH2/CH3/CH4
Switch to select the proper input sensitivity range: RCA signal input = Low. Speaker
signal input = Hi.
13 SIGNAL INPUTS FRONT CH5/CH6
Low-level stereo RCA signal or high-level speaker signal input terminal for connection to
head-unit.
14 INPUT MODE SELECTION CH5/CH6
Switch to select the proper input sensitivity range: RCA signal input = Low. Speaker
signal input = Hi.
15 INPUT SENSITIVITY CONTROL CH5/CH6
Input gain potentiometer “SENS” for channel CH5/CH6, to match the output voltage of
the head unit to the amplier’s input.
A601 CONNECTIONS + CONTROLS
16 OPERATION MODE SWITCH CH5/CH6
Slide switch to select the operation mode of the X-over for section CH5/CH6 of the
amplier: Highpass [HPF], Lowpass [LPF] or full signal [FULL].
17 X-OVER FREQUENCY CONTROL CH5/CH6
Control potentiometer to adjust the highpass or lowpass ltering frequency for section
CH5/CH6 of the amplier.
18 SPEAKER OUTPUT TERMINAL
Output terminal to connect the speakers to the amplier in either stereo or bridged
mode.
19 “+12 V” POWER INPUT TERMINAL
Terminal to connect the amplier to the positive +12V pole of the car battery.
20 “REM” INPUT TERMINAL
Terminal to connect the amplier to the automatic (remote) turn-on / turn-off lead of the
head unit. You must switch
2
to “REM” when using the remote wire input terminal.
21 “GND” POWER INPUT TERMINAL
Terminal to connect the amplier to the chassis ground or negative pole of the car
battery.
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