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  SYSTEM UPGRADE #2 

 

This system has the incredible power of 2 - NCA 70.2 to your bike! The first amp 
will run the fairing speakers, and HF-1 or HF2-RG Tweeter Pod (if present). The 
second amplifier is used to power a set of rear speakers, or speakers in your Ultra 
Classic style fairing lower glove boxes.

21

Use supplied blue plug send 

signal from expansion port of first 

amp to input of second amp

Optional 

HF-1/HF-2RG 

Tweeter Pod

 

  SYSTEM UPGRADE #3 

 

This system uses a Hogtunes NCA-40.4 160 watt 4 channel amp and a NCA 
70.2 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 amplifier power to your rear speakers, by simply moving a couple of plugs 
around, you can apply the higher power amp to which ever speakers you like to 
custom “tune” the system for your requirements.

22

Use supplied blue plug send 

signal from expansion port of first 

amp to input of second amp

Optional 

HF-1/HF-2RG 

Tweeter Pod

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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