Pyle PLMRA402 - Electrical and Audio Connections Guide; High impedance input; Low impedance (BTL or Common Ground) Input

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ELECTRICAL AND AUDIO CONNECTIONS
A. STEREO INPUT CONNECTION
1. High impedance input
2. Low impedance (BTL or Common Ground) Input
a. Four Speaker Output Mode
a-1. Floating Ground Type
CAR STEREO
TO RIGHT REAR INPUT TO LEFT REAR INPUT TO RIGHT FRONT INPUT TO LEFT FRONT INPUT
FROM LEFT FRONT PREAMP
OUTPUT OF CAR STEREO
FROM RIGHT FRONT PREAMP
OUTPUT OF CAR STEREO
FROM RIGHT REAR PREAMP
OUTPUT OF CAR STEREO
FROM LEFT
REAR PREAMP
OUTPUT OF
CAR STEREO
TO RIGHT REAR INPUT TO LEFT REAR INPUT
TO RIGHT FRONT INPUT TO LEFT FRONT INPUT
FROM PREAMP
LEFT OUTPUT
OF CAR STEREO
FROM PREAMP
RIGHT OUTPUT
OF CAR STEREO
FIG 2
LR + LR  RR  RR +
LF + LF  RF  RF +
CAR STEREO
FIG 3