PAC Audio LPA-E.4 - User Manual

12V

Connect to a fused

+12V constant source

GND

Connect to a good

chassis ground

REM IN

Remote turn on input (+)

REM OUT

Remote turn on output (+)

The LPA will provide a

+12V Remote Output using

DC Signal Sense from the FR

and RR channel inputs

SPEAKER SIGNAL INPUTS

Connect to head unit or

Use FL and FR for 2CH mode

RCA SIGNAL OUTPUTS

GROUND ISOLATION

Selectable: GND / ISO / 200Ω

Default: ISO

If ground / engine noise is present,

the jumper can be repositioned

TURN ON MODE

Selectable: DC / REM

Default: DC

Select DC if using speaker inputs

for turn on, or REM if using REM IN

GAIN

Variable:

-28dB -+ 1dB

Allows gain adjustment of

the output signal

LPF

Low Pass Filter

Allows 250Hz low pass

filter for Rear Channels

INPUT MODE

Selectable: 2CH / 4CH

Set to 2CH if only using FL

and FR inputs. Set to 4CH

if using all inputs

BOOST

Variable: 0dB — 12dB

When LPF is ON, provides

Bass Boost (45Hz) for

Rear Channels

CLIP

Indicates signal clipping when

gain is set to high

REMOTE

Remote Level Control Knob
(LPA-REM) for Rear Channels

LOAD SELECT

Selectable: 20Ω / 60Ω / 20KΩ

Default: 20KΩ

For factory audio systems

requiring a resistance load to

output audio, select 60Ω first,

then 20Ω. All others use 20kΩ

setting

LPA-E.4

| 4 Channel Line-Output Converter

Ground Isolation and Load Select features ensure a pure, noise-free signal for any type of audio system.
This Quick Start Guide will get you going, but if you need additional help or information, please visit our website or
contact Technical Support.

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Quick Start Guide

X

FULLY OPEN TERMINALS

BEFORE INSERTING WIRE

JUMPERS CAN BE

TRIMMED FLUSH