Low Level Input Wiring; High Level Input Wiring - Boss Audio Systems MR250.4 User Manual

Marine power amplifier
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Low Level Input Wiring
High Level Input Wiring
Low-level (RCA) input wiring is preferred for best audio performance, Always use
The high level input(s) should only be used when your head unit lacks RCA outputs,
a high-quality RCA cable for best audio pertormance.
If the RCA outputs are not present, connect the speaker outputs from the receiiver
to the high level input connector of the amplifier. Be sure to observe polarity to
NOTE: Do not connect BOTH the high !evel and low level inputs from your
avoid audio phase problems,
receiver to your amplifier at the same time!
NOTE: Do not connect BOTH the high level and low level inputs from your
,
receiver
to
your amplifier at the same timet
2-Channel Amplifier
2-Channel Amplifier
MR400.2
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MR400.2
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Optlonnl remote
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Optional remote
ubwoofcr lellel contro
(sold separately)
To Speaker Terminals
of head unit
4-Channel Amplifier
Optlonal remote
"ubwoofer level control
MR250.4
(sold separately)
4-Channel Amplifiers
MR250.4
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TO
FRONT Audio Outputs
To Speaker
of head unit or
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Terminals
signal processor
of head
unit
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Audio Outputs of
headl unil or
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subwooler level control
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Ma"ne MOSFET
AmpRfier
User's
Manual·
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Marlne MOSFET Amplifier User"s Manual" page 9

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