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Boss Audio Systems CX250 User Manual page 9

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High Level Input Wiring
The high level input(s) should only be used when your head unit lacks RCA outputs.
If the RCA outputs are not present, connect the speaker outputs from the receiver
to the high level input connector of the amplifier. Be sure to observe polarity to
avoid audio phase problems.
NOTE: Do not connect BOTH the high level and low level inputs from your
receiver to your amplifier at the same time!
2-Channel Amplifiers
CX250, CX450, CX550, CX750, CX950, and CX1250
POWER
+
L+
To Speaker Terminals
of head unit
4-Channel Amplifiers
CX600, CX650, CX800, and CX1000
CROSSOVER
POWER
RANGE
LEFT
RIGHT
INPUT
BASS
LEVEL
BOOST
L
R
+
MIN
MAX
0
HIGH LEVEL
LOW LEVEL
INPUTS
T W O C H A N N E L M O S F E T P O W E R A M P L I F I E R
L- R- R+
1
2
CH
CH
LOW PASS
INPUT
INPUT
MODE
FREQ
LEVEL
LEVEL
100
145
40
155
FULL
Hz
35
160
MIN
MAX
MIN
CH1/2 CONTROLS
LOW
3
4
CH
1
CH
CH
LEVEL
+
F O U R C H A N N E L
M O S F E T P O W E R A M P L I F I E R
INPUTS
CH
CH
1+
1-
CHAOS EXXTREME MOSFET Amplifier User's Manual - page 9
Remote
Subwoofer Level Control
REMOTE SUBWOOFER
LEVEL CONTROL
PROTECTION
130
HIGH PASS
100
145
FULL RANGE
40
155
LOW PASS
+12dB
35
160
MODE
LOW PASS FREQ, Hz
CROSSOVER
Remote
Subwoofer Level Control
CH3/4 CONTROLS
BASS
LOW PASS
CROSSOVER
BOOST
FREQ
MODE
PROTECTION
100
145
40
155
Hz
HIGH PASS
MAX
0
+12dB
35
160
FULL RANGE
REMOTE
SUBWOOFER
LEVEL CONTROL
HIGH
CH
CH
CH
2
3
4
LEVEL
+
+
+
To Speaker
CH
CH
Terminals
2-
2+
of head unit
CH
CH
CH
CH
3+
3-
4-
4+

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