1.
Audio input
For connection to the source (headunit) For low level input (this is your RCA output from the source) connect using RCA leads to the low
level output of the source.
For high level input connect the supplied speaker wire to RCA adaptors to the speaker output of the source (see page 5 for diagram)
Left high level input (white RCA plug)
positive - red wire
Negative - blue wire
Right high level input (red RCA plug)
Positive - red wire
Negative - blue wire
2. Slave input / output
RCA input and output connections used for amplifier strapping
3.
High level / low level input select switch
This switch is used to select either high level (speaker wire) input or low level (RCA) input
4.
Gain control
Used to match the input signal of the source to the amplifier. See the setup section for more details.
5.
Subsonic filter control
This control allows the subsonic filter frequency to be set, the filter is adjustable from 10Hz to 80 Hz
6.
Crossover frequency control
This control is used to set the crossover point for the amplifier.
The frequency ranges on the low pass filter are from 30 Hz to 230 Hz,
7.
Bass boost frequency control
This control sets the frequency that will be boosted by the bass boost control, the frequency ranges from 30Hz to 125Hz
8.
Bass boost control
This control provides up to an extra +15 dB of bass boost at the chosen frequency. Use this boost to increase bass output from the
amplifier.
9.
Phase switch
This allows the phase of the amplifier to be set to 0 or 180 degrees, one setting will make the bass from the subwoofer sound more in
time with the front speakers.
10. Source switch
This switch is set according to amplifier application, in normal operation it should be set to NORMAL and if the amplifier is acting as a
slave in a strapped configuration it should be set to SLAVE IN.
11. Gain remote input jack
Use to plug in the remote supplied bass level controller
12. Indicator LED
When the amplifier is operating correctly the LED will illuminate constant green
When the amplifier is in protection mode the LED will flash to indicate protection condition - see table for fault code diagnosis.
13. Power connections
See Connections section for details on correct connections.
14. Fuses
Please ensure the following fuse rating is used when replacing fuses: 30 amp x 2
15. Speaker terminal output
For connection to the speakers. See Application section for wiring examples.
15. Auto Sense select switch
This switch is used to turn the auto sense circuit on or off (see page 5 for more details)
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