ST-2X SQ Input/Controls Ends
The Input ends of the ST-X SQ amplifiers is where you find the signal input
connectors,the pass through outputs, the crossover controls, bass boost control.
For High Level (speaker level) you also find the port for the input plug and
auto-on switch.
OEM Speaker level Input plug
8
1
• Pass through RCA output allows "daisy
chaining" amplifiers
2
• RCA inputs from an after-market head unit
3
• Variable gain control (set to minimum
before initial turn-on)
4
• Bass boost switch for 0, 6dB, or 12dB
5
• Low Pass frequency selector for the bass
crossover
6
• Crossover selector for low pass, full range,
or high pass
7
• High pass filter for the mids/highs
8
• Auto-on switch for OEM integration
9
• Green power-on LED and red protect LED
10
• Speaker level input plug for OEM hookup.
Note that black ground wire must be grounded,
preferably the factory head unit or amplifier
(Green) Left +
(Green/stripe) Left -
Black: ground to factory head unit or factory amplifier
(Gray) Right +
(Gray/stripe) Right -
1
2
3
8
5
9
4
10
6
7
