Soundstream SA.120 - SA-120 Components; Key to Callouts

Top view (partial)
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Side view
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Key to Callouts
+12V - Connected to fuse or circuit breaker, then battery’s positive post.
Ground - Main ground connection. Bolt to a clean chassis ground in the
vehicle.
Remote - Remote turn-on input from the head unit. Accepts +12V.
LED - Indicates amplifier power on.
Speaker Output Connections - Channels 1 & 2
Crossover Output - Low level output to auxiliary amplifier for high or low
pass.
Bass EQ - Adjustable bass equalization circuit, Cl to +9 dB boost at 45 Hz.
Input Level - Variable from 100mV to 2.5V.
Inputs - Right and left channel inputs; only right channel input used in
“Mono” mode.
[underside] Main Fuse - Main power supply fuse. Replace only with
same fuse value.
[underside] Crossover S.1.P.s - Crossover frequency settings for
amplifier and crossover line outputs.
[underside] Stereo/Bridged Mono Switch - Select “Mono” for bridged
operation (use only right channel input) or “Stereo” for 2-channel Stereo or
Mixed Mono operation; See crossover section for more details.
[underside] Line Out Crossover Switch - Select high pass, low pass, or
full range operation of crossover outputs.
[underside] Amplifier Crossover Switch - Select high pass, low pass, or
full range operation of amplifier.
[underside] Bass EQ Switch - On/Off switch for bass equalization circuit.
Underside view
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