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YOUR SPEAKER

Dear Customer,

Congratulations on purchasing our Nakamichi  product for your sound system. 

This product has been designed and manufactured to Nakamichi’s exacting 
standards to ensure many years of audio enjoyment. For the best performance, we 
recommend that you have your Nakamichi product installed by an authorized Naka-
michi dealer.

If you would like to install this product on your own, we recommend for you to go 
through this manual to familiarize yourself with all the installation requirements and 
procedures.

If you encounter any issues or if you have any questions on the operation of this 
product, please contact your nearest authorized Nakamichi dealer for assistance, or 
you may also contact us through our website or social media channels.

Installation of Your Product

In today’s modern vehicles, it is very easy to cause damage to existing systems 
through improper installation. Please follow and scrutinize all wiring diagrams to ensure 
that you have connected everything in its proper place.

If you find yourself uncomfortable of unfamiliar with understanding the wiring and 
installation diagrams or testing instructions, do contact your nearest Nakamichi dealer 
to perform the installation for you.

Safety Warnings and Considerations

• Clean only with a dry cloth or other similar materials.

• Install your product in a dry, well-ventilated location that does not interfere with 
your vehicle’s safety equipment.

• Do not block any ventilation openings when installing this product.

• Do not mount the product in the engine compartment of your vehicle or in any 
areas of extreme heat such as mufflers, silencers, exhaust pipes or other heat 
producing apparatus. 

• Securely mount the product so that it does not come loose in the event of a 
collision or as a result of repeated vibrations that might occur during normal opera-
tion. 

• Installation of the apparatus must be done with great care to prevent damage to 
your vehicle’s fuel lines, power, and other electrical wiring, hydraulic brake lines, and 
other systems. If possible, always visit your nearest Nakamichi dealer to perform the 
installation. 

• Do not run any wiring outside or underneath the vehicle. Keep all wires inside the 
vehicle.

• Take the necessary precautions when making connections to the vehicle’s battery 
to avoid any potential shock.

1EN

Summary of Contents for NBF618S

Page 1: ...6x8 ACTIVE ALUMINUM SUBWOOFER User Manual NBF618S nakamichi caraudio nakamichicaraudio com nakamichi global...

Page 2: ...nfamiliar with understanding the wiring and installation diagrams or testing instructions do contact your nearest Nakamichi dealer to perform the installation for you Safety Warnings and Consideration...

Page 3: ...ble ties or wire clamps to protect them from moving parts and sharp edges This apparatus shall not be exposed to dripping or splashing and no object filled with liquids shall be placed on the apparatu...

Page 4: ...S BOOST feature will increase the sound level in the bass frequencies F INPUT GAIN CONTROL After you have installed your system turn this control to minimum Turn the head unit on and the subwoofer wil...

Page 5: ...Use 8 gauge or heavier wire to connect the ground cable Connect the remote terminal to the remote output of head unit using 16 gauge or heavier wire Connect an empty fuse holder within 16 40 cm of the...

Page 6: ...r lacks RCA outputs If the RCA outputs are not present connect the speaker outputs from the receiver to the high level input connector of the amplifier Be sure to observe polarity to avoid audio phase...

Page 7: ...at least 5V DC Check that the RCA audio cables are plugged into the proper inputs Low output Reset the Level Control Check the Crossover Control settings High hiss in the sound Disconnect all RCA inp...

Page 8: ...China WWW NAKAMICHICARAUDIO COM INSTRUCTIONS SOFTWARE DOWNLOADS AND WARRANTY REGISTRATION nakamichi global nakamichi caraudio CONNECT WITH US ONLINE TO EXPLORE NAKAMICHI S COMPLETE RANGE Nakamichi Cor...

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