background image

,

Ground Cable

O

The ground cable needs to carry the same current as the power cable. At least an 8 gauge cable should be used.

O

The amplifier ground should be connected directly to the chassis of the vehicle, to bare metal.

O

The cable length should be kept to an absolute minimum. 
It is not recommended that you connect the ground cable to the vehicles seatbelts anchor point.

Remote Turn On

O

A minimum of 18 gauge cable should be used for this connection.

O

The cable should be run with exactly the same care and attention as the power cable and taken back to the source
(headunit) and joined to the remote cable provided. 

O

If the source (headunit) does not have a remote turn on cable then a 12v supply should be used. This will require a 
switch to be fitted inline to enable the amplifier to be turned on and off. Remember that if this switch is left on you will
flatten the car battery.

RCA Cables

O

Depending on the model number of your amplifier and the number of speakers you wish to power you will have to run 
either one or two RCA cables from the source to the amplifier.

O

Please take extra care when running these cables from the source to the amplifier. Ensure that they are placed away
from all items that can generate any interference, wiring harnesses etc. 

O

It is recommended that the RCA cables should be run on the opposite site of the car to the previously installed power 
cables, if possible.

A.

Low Level Input / output.

Low level input for connection to any source (headunit) with a low level output. This is your RCA output from the source

y source (headunit) with a low level output. Thi

(headunit).

Low level output for connection to another amplifier

B.

High Level Input

To be used when no RCA’s are available. Use the provided loom to connect to closest speakers. The loom provided will only
fit one way round. Once plugged in you should connect the wires this way around:

C.

Gain Control

Used to match the input signal of the source (headunit) to the amplifier. See the setup section for more details.

Brown –

n  Left

 Speaker

ft

Positive

r

Red  –  Left  Speaker  Negative
Orange

e  Right

 Speaker

ht

 Negative

er

Yellow

ow

Right

w –

w

Speaker

ght

Positive

ker

4

Summary of Contents for LOADED 450s

Page 1: ...Model FLI LOADED 450s loaded amplifier www fliaudio co uk...

Page 2: ...n among customers or in any manner that disparages or discredits FLI All other trademarks not owned by FLI or its subsidiaries that appear in this manual are the property of their respective owners wh...

Page 3: ...ery O Please ensure that the fuse is not fitted until the entire installation procedure is complete O The two tables below are to help you decide on what cable is correct for you The first enables you...

Page 4: ...you wish to power you will have to run either one or two RCA cables from the source to the amplifier O Please take extra care when running these cables from the source to the amplifier Ensure that the...

Page 5: ...g For a subwoofer it is recommended that the crossover is set to Low Pass and the frequency is set to match that of the speakers specifications For a pair of full range speakers it is recommend that t...

Page 6: ...APPLICATIONS System Wiring Input connections System Wiring 2 channel stereo configuration 6...

Page 7: ...APPLICATIONS System Wiring BRIDGED MONO configuration 7...

Page 8: ...wires and reset the amplifier If the Protection LED still comes on then the amplifier is faulty This damage may have been caused by either failure to follow these setup guidelines or abuse Amplifier G...

Page 9: ...notes...

Page 10: ...rchased From Date of Purchase E F A S T I P E E K e r e h t p i e c e r r u o y e l p a t S www fliaudio co uk Specification RMS Power 13 8v DC Power 4 Ohms stereo 2 x 100 watts RMS Power 4 Ohms bridg...

Page 11: ...rite LED RCA end plugs Available in 1 metre and 5metre lengths FLI RCA Y Y interconnect High quality RCA Y lead Y Y interconnect Converts stereo RCA output to 4 channel output 2 female RCA plugs to 4...

Page 12: ...8 metre speaker cable Inline ATC fuse holder 30 amp ATC blade fuse Fitment pack AK8 8 AWG amplifier wiring kit For use with Car audio systems up to 1500 watts Kit contents 5 metre 8 AWG power cable 1...

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