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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 adjust-

ments, 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 your using an external device to supply music through the radios aux 

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

eral 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.

3

 

4

For bikes with 

dual NCA 70.2’s, 

2nd amp will 

be mounted on 

Hogtunes RG40.4 

Adaptor kit  

(Drag #4405-0232)

 

as shown in  

Figure 2.3 

Figure 2.2

Figure 2.3

 MOUNTING CONSIDERATIONS/ 

          REQUIRED ADAPTOR KITS

Depending on your model of bike, or what you have for an existing system, you 
may need a Hogtunes Amplifier Adaptor Kit. 

If you have a Standard, EG Classic, Street Glide, or Ultra, and this is the only 
Hogtunes amp in the system, the amp will adhere to the top of the radio using the 
supplied “hook and loop adhesive. No adaptor needed.

If you have a Standard, EG Classic, Street Glide, or Ultra, and this will be the 2nd 
amp in the system, Hogtunes “2CHSP” (Drag Specialties Part # 4405-0234) is 
required. This kit bolts into your fairing, and locates the NCA 70.2 between the 
radio and brake side speaker. Please do not continue the install until you have the 
required parts. 2CHSP can also be used if you prefer not having an amplifier sit 
on top of the radio.

If you have a Road Glide or Road Glide Ultra, Hogtunes has 2 different RG  
Adaptor kits, and you will need one of them. If you don’t not have the adaptor  
you need, please do not continue the install until you have the required parts.

1)   If this is the only amp in the system,  or, if you already have a Hogtunes NCA 

40.4 and are adding to the system, you will need Hogtunes RG Adaptor Kit 
(Drag Specialties Part # 4405-0096) which bolts the amp to the main studs that 
attach the inner fairing to the frame of your bike. 

2)   If you already have a NCA 70.2 in the bike, it should be mounted to a plate 

attached to the main studs that hold the inner fairing to the frame of your bike. 
The second amp will bolt in using Hogtunes RG 40.4 Adaptor kit  
(Drag Specialties Part # 4405-0232) This will locate the second amp off to  
the extreme brake side of the inner fairing.

If required, please have the amplifier mounted to the appropriate adaptor (but not 
to the bike yet) before continuing with the install. If you do not have the required 
adaptor, please consult your retail dealer.

In most cases, 

NCA 70.2 will  

be mounted on 

Hogtunes RG 

Adaptor kit  

(Drag #4405-0096)

 

as shown in  

Figure 2.2 

Summary of Contents for NCA70.2

Page 1: ...olts at 1 Total Harmonic Distortion THD Although this amplifier makes its highest power with 2 ohm speakers if Hogtunes 5 75 ohm speakers or 4 ohm car speakers are used there will still be a noticeable improvement in volume and sound quality If you are not using Hogtunes speakers chances are the speaker connectors are not the same as stock If you need to change connectors please note that on all Ho...

Page 2: ...l installation by your motorcycle dealer 3 4 For bikes with dual NCA 70 2 s 2nd amp will be mounted on Hogtunes RG40 4 Adaptor kit Drag 4405 0232 as shown in Figure 2 3 Figure 2 2 Figure 2 3 MOUNTING CONSIDERATIONS REQUIRED ADAPTOR KITS Depending on your model of bike or what you have for an existing system you may need a Hogtunes Amplifier Adaptor Kit If you have a Standard EG Classic Street Glide...

Page 3: ...ounting the amp For Standards Street Glide EG Classic and Ultra Classic If this is the only amp in the system the amplifier gets mounted to the top of the factory radio using the supplied hook and loop adhesive and must sit so you can read the text on top of the amplifier as in diagram 1 1 The amplifier needs to mount as far back on the radio as pos sible so the fairing can go back on The minimum dis...

Page 4: ...g Take the red black wires on the bypass plug and plug them into the green black wires on the input harness of the NCA 70 2 your now installing 7 Step 2 Earlier in the install you located the black four pin plug with the blue black and brown black wires on it and plugged it into the ampli fied output on the amp The blue black wires will plug directly to the speaker on the brake side of the bike The...

Page 5: ...plifiers harness to the bikes factory harness using zip ties Proceed to Step 6 Step 6 Attach the red wire to the positive battery terminal and the black wire to the negative battery terminal The factory battery wires are also re installed at this point Turn the ignition of the bike to the on position and play the stereo at low volume to verify the amplifier is working fine IMPORTANT With all wires se...

Page 6: ...No CB XM Module Present Diagram 1 2 Shown mounted on top of CB Module 12 If this is the 2nd amp in the system mount the amp to the Hogtunes 2CHSP and install in your bike Step 4b Mounting the amp For Road Glide or Road Glide Ultra The amp will mount to the plate and the plate will mount to the bike as per the plates instructions NOTE Use the harnesses that come in this kit and NOT the harnesses th...

Page 7: ...t under the tank console There is a provision on the front of the tank console for wires to pass Secure the amplifiers harness to the bikes factory harness using zip ties When correctly installed the power and ground wires are the right length to connect onto the battery 13 Attach the red wire to the positive battery terminal and the black wire to the negative battery terminal The factory battery w...

Page 8: ...and a blue plug with 4 wires Plug the black one into Amplified Output on the amp Step 4a Mounting the amp For Standards Street Glide EG Classic and Ultra Classic If this is the only amp in the system the amplifier gets mounted to the top of the factory radio using the supplied hook and loop ad hesive and must sit so you can read the text on top of the amplifier as in diagram 1 1 The amplifier needs to...

Page 9: ...your amplifier will not turn on 18 Step 3a Routing the power and rear speaker harness For Standards Street Glide EG Classic and Ultra Classic For 98 06 bikes the harnesses will pass under the inner fairing where the throttle and idle cables pass through on the brake side of the bike The harnesses are designed to be routed between the frame backbone and gas tank on the brake side of the bike and com...

Page 10: ...n them will plug directly to the rear speakers Attach the red wire to the positive battery terminal and the black wire to the negative battery terminal The factory battery wires are also re installed at this point Turn the ignition of the bike to the on position and play the stereo at low volume to verify the amplifier is working fine IMPORTANT With all wires secured turn the front wheel to each ext...

Page 11: ...for the ultimate in power As shown below the typical system would have 2 channels of the NCA 40 4 power the fairing speakers while the other 2 channels power the rear speakers The bypass out of NCA 40 4 is used to send music to the NCA 70 2 which powers the fairing lower speakers The beauty of this system is that all plugs that go the speakers are the same If you decide you would like more amplifie...

Page 12: ... THD Actual Power at 4 Ohms 50 Watts Channel 1 THD Efficiency 66 Fuse 15 amp Harley Davidson Electra Glide Road Glide Street Glide Ultra Classic Tri Glide CVO Screamin Eagle and Tour Pak are Trademarks and or Registered Trademarks of Harley Davidson Inc Milwaukee Wisconsin USA and if Used or Implied are for Reference Only There is No Affiliation Between Harley Davidson Inc and Hogtunes Inc Harman Ka...

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