SDX SERIES AMPLIFIER OWNER’S MANUAL version 07/21 v2
Some features not available on all models
PWR/PRT led: Power LED, it will be blue if it’s on, and your good, if its off, you’re not good. See the
troubleshooting section if it doesn’t turn on. Protect, if the LED is red, then the amp is in protect mode, see the
troubleshooting section for assistance.
POWER (B+, REM, GND): Connection for power source, see the Power Connections page for details
CH1-CH6 SPEAKER OUTPUTS: This is where your speakers plug in, see the amp specific
diagrams for assistance.
AUTO SENSE: What signal are you using to turn on the amp.
SIG: Detect signal from the HI-LEVEL inputs.
OFF: Turns off auto sense when using the REM (remote) turn on option.
DC: Turn on with B+, usually used in installs where the battery/power is disconnected when not in use
REMOTE: Plugin for the external bass knob, used to attenuate the from lowest point to the highest that was
set on the amplifier
5/6 CH INPUT, 3/4 CH INPUT: Duplicates the signals from CH1 and CH2 to CH3/CH4 and
CH5/CH6. Press the button in to duplicate, do not use the inputs on CH3/CH4 or CH5/CH6 if using this
feature.
CH1-CH6 RCA’s: RCA signal from source
OUTPUT RCA: Passthrough output to a secondary amplifier
Hi-Level In: Input for high level signals, do not use RCA’s when using these inputs
WHAT DO ALL THE SWITCHS, KNOBS AND LIGHTS DO?
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