AudioControl LC5i PRO Quick Start Manual - Page 5

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Channel Inputs

4. Channel Inputs (1-2) – The LC5i PRO has four speaker-level inputs. This

is where you connect the speaker-level outputs of your factory-installed

source unit or amplifier.

If your source unit has front and rear full range speaker-level outputs,

connect them to the Channel 1 and 2 inputs on the LC5i PRO. If the

source unit only has front and rear outputs, connect them to the

Channel 1 and 2 Inputs and visit the Signal Bus section on page 8 if you

want to route audio to the Channel 3 outputs.

Be careful with the speaker wire polarity (+/-), so your new audio system

is not out-of-phase and sounding "wonky". If you're not sure which

speaker wires to use or the correct polarity, you have a few options: A)

find the wiring diagram for your vehicle, B) get an audio T-Harness that

is pre-wired and plugs into the factory harness, or C) have your LC5i PRO

professionally installed by an authorized AudioControl Dealer.

5. Load Select – The LC5i PRO is designed to present NO load to the output

of the factory amp, which can make some factory amps upset and

stop passing audio. The Load Select feature tricks the factory amp in to

detecting a speaker load so it will continue to pass audio.

20 Ω - Best suited for late model Dodge/Chrysler/Jeep/Ram/Fiat vehicles

equipped with OEM base sound system. (no separate factory amplifier)

60 Ω - Best suited for late model Dodge/Chrysler/Jeep/Ram/Fiat vehicles

equipped with a separately amplified OEM "premium" sound system.

20 kΩ - Best suited for all other applications.

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6. Signal Bus – The Signal Bus switch provides an easy way to combine

(sum), route or keep audio channels separate (see page 8 for more details).

Separate (Sep.) - Sep. is the default option. All audio Inputs and Outputs

are separate. For example, audio coming in on Channel 1 Inputs is only

routed to Channel 1 Outputs.

Sum/Bus - This setting allows you to combine (sum) two channels of audio

inputs into a single combined output (see page 8 for more details).

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