Axxera AXA40D Installation & Owner's Manual - Page 7

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Connect speaker wires observing

polarity. The minimum impedance

load for the AXA20 and AXA40D

is 2 ohms stereo and 4 ohms

bridged. Use of loads lower than

these is not recommended and

may cause amplifier damage. The

AXA20 and AXA40D can be wired

for stereo, bridged or stereo/

bridged simultaneous operation.

Low Level Input (RCA)

Low level (RCA) input signal is preferred for best performance. Typical trunk-mount

amplifier installations require a 17-20 foot RCA cable. Most trucks and under-seat

applications require a 6-9 foot RCA cable. Using twisted pair construction RCA cables will

minimize noise.

Low-Level Input

(RCA)

CAUTION

Do not use both low and high level inputs at the

same time - connect only one or the other.

INSTALLATION

Amplifier Connections

2 Speakers (stereo)

High-Level Input

(speaker cables)

Typical Stereo Wiring

(2 ohms minimum)

AXA20 speaker connections shown

High Level Input (Speaker Wire)

High level inputs should only be used

when RCA outputs are not available

from the head unit. Connect the

head unit speaker outputs to

the high level input connector

as shown below. The black wire

(signal reference ground) may or

may not require a connection to

chassis ground - depending on your

particular installation.

Subwoofer (mono)

Typical Bridged Wiring

(4 ohms minimum)