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INCLUDES (1) HOGTUNES NCA 70.2 AMPLIFIER 

AND (1) PAIR HOGTUNES 902.2-AA SPEAKERS

Fits 1998-Current “Batwing” Model Bikes With Factory Radios

For Best Results Please Read the Entire Manual Before Starting!

902.2/REV  

INSTALLATION MANUAL

902.2/REV  

INSTALLATION MANUAL

Adjusting Your System--Please Read!

In order to make your new system perform as good as it was designed, 

please take a minute to understand and follow these tips:

1)    Set your “Automatic Volume Control” (AVC) to 3 bars. After extensive 

on road testing, we found that this AVC position works and sounds best. 

Your new amplifier has been specifically set-up for this radio setting.

2)    Your Hogtunes system is designed specifically for a motorcycle at speed. 

Exhaust noise and wind noise have been taken into careful consideration 

in how your system performs. How your new system sounds in a  

driveway or garage is radically different from how it will sound at  

highway speeds. Although your system was set-up with a factory radio 

with its bass and treble controls in the middle position, if you feel the 

need to make adjustments, please do so (carefully) at your normal  

cruising speed.

3)    If you have an aftermarket car radio on your bike, everything will work 

fine, but please remember that car radios are designed to work in an 

environment with little or no exhaust or wind noise. Many car radios 

have “features” such as equalizers, loudness contours, surround effects, 

etc., all designed for a quiet environment, and all of which will hurt your 

ability to hear your motorcycle system at speed if left on. Please take a 

minute and turn as much of these “features” off. With a car radio in  

your bike, the only adjustments you should be able to access for best 

performance are volume, bass, treble, balance, and fader.

4)    If you’re using an external device to supply music through the radios  

aux port, we have an article on our website that can help make your 

peripheral audio device sound as good as it can. The article is at:  

http://www.hogtunes.com/techzone_files/Level_matching.pdf

Hogtunes Contact Information

 

Email: [email protected] 

Tel:  705-719-6361 

A video version of this manual is available at  

www.hogtunes.com.

 If you still need  

assistance, please consider a professional  

installation by your motorcycle dealer.

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