9
ST-4X SQ Input/Controls Ends
The ST-4X SQ has similar functions as the ST-2X SQ but the 4 channel layout puts
the controls in different positions.
* See explanations of OEM Input plug on the previous section 2-Channel amp
2
3
4
11
12
13
5
7
8
10
1
6
9
14 15
1
• Green power-on LED and red protect LED
2
• Rear High Pass frequency control
3
• Auto-on switch for OEM integration
4
• Rear Low Pass frequency control
5
• Rear speaker level input plug for OEM
hookup (See #10 of ST-2X SQ)*
6
• Rear channels variable gain control
7
• Rear channels RCA inputs
8
• Pass through RCA output (rear channels
can feed another amp)
9
• Front channels RCA inputs
10
• Front speaker level input plug for OEM
hookup (See #10 of ST-2X SQ)*
11
• Rear crossover function switch for high
pass, full range, or low pass
12
• Rear channels Bass Boost switch for 0, 6dB,
or 12dB
13
• Front channels variable gain control
14
• Front crossover function selector for full
range of high pass
15
• Front High Pass frequency control
