Zapco Studio X Series - Manual (Page 9)

pass crossover.
7. Crossover switch chooses low pass or full range for the sub output
8. Bass Boost allows 6dB or 12dB boost of bass frequencies in the sub chan-
nel
9. Gain set the input level for the sub section
10. Input Mode selector allows you to choose to use separate input RCAs for
the front and rear inputs, or to have channels 1 and 2 serve as the input
for both front and rear sections .
1 2 3 4
ST5X Output side
1. GND The amp should have a firm connection the car frame. * See section
"Install Sense"
2. REM The remote terminal connects to the head unit remote out, or to
some other switched 12 volt source to turn on the amplifier.
3. +12V The main 12 volt must be connected directly to the vehicle’s battery
using wire of the proper gauge. * See section "Install Sense"
4. Speaker connections The heavy duty terminal block provides positive
speaker connections. Simple insert the wire and cinch down the set
screw. Note that the Mono bridge positions are L+ to R
- , for both front
and rear speaker sets.
5. Fuses The fuses protect the car should a catastrophic problem occur in
the amp. Always replace with the same size fuse if required