User manual DUAL XOBP12D

[. . . ] If you feel unsure about personally installing this speaker system, Dual recommends aquiring the services of a professional car audio installation center. Before installation, please review the following rules: 1. Be sure to carefully read and understand the instructions before attempting to install this product. For safety, disconnect the negative terminal from the battery prior to beginning the installation. [. . . ] Ensure the speaker wires are connected using correct polarity. The positive polarity is marked by a (+) sign. Incorrectly connected subwoofers will result in limited bass output. Ensure the Illuminite wires (12V) are connected using correct polarity. Do not connect an amplifier or any audio output source to the Illuminite inputs as doing so will cause permanent damage to the lighting elements. Speaker wire should be isolated from the vehicle's electrical system to avoid noise being picked up by the amplifiers. We recommend using 14 gauge or larger sized speaker wire to ensure your subwoofer receives the full power output of your amplifier. Remember to listen responsibly and respect your ears. Being exposed to sounds over 125dB for even short periods of time can create permanent hearing loss! 4 XOBP12D INSTALLATION IlluminiteTM Lighting Hook-Up Recommendations Dual's patent-pending Illuminite bulb system and control circuitry provide for extraordinary blue illumination, allowing for creative color-coordinating installations. The interior of your vehicle will never sound or look ordinary again!The lighting features of all Illuminite products require a 12V power source to operate. The speaker has two distinct sets of input terminals. The first is labeled audio input and the second is labeled Illuminite lighting inputs. The inputs are clearly marked with a label positioned directly above the terminal housing. The polarity (+ and -) indicators for each set of inputs also appear on these labels. Do not connect your amplifier or any audio source to the Illuminite inputs. [. . . ] A slight adjustment of any custom controls or connections discussed in your instruction booklet may save you a service call. If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center. Please describe your problem in writing and include your name, a return UPS shipping address (P. O. [. . . ]