The Rockville USS8 and USS10 is a low-profile amplified subwoofer. Low enough to easily fit below the seat of your car, this system offers you a quick and easy way to add a high-powered subwoofer system to your audio system.
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Features Your new USS8 and USS10 Powered Subwoofer features the following: • MosFET PWM (Pulse Width Modulated) Power Supply • Thermal, overload and speaker short protection • Soft turn-on circuit • Remote turn-on/turn-off circuit • Variable input gain control • Variable low pass crossover •...
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General precautions & Protection Circuitry Before installing and using your new Rockville amplified subwoofer, The built-in amplifier incorporates special protection circuitry which please become familiar with all the information contained in this will disable the amplifier if any of the following should occur: manual.
Installation precautions Before you drill or cut any holes, investigate your car's layout very carefully. Take special care when you work near the gas tank, fuel lines, hydraulic lines and electrical wiring. Never operate the subwoofer when it is unmounted. Attach all audio system components securely to prevent damage, especially in an accident.
Mounting the subwoofer Find a suitable location in the vehicle in which to mount the Attaching the mounting legs to the ends of the enclosure. amplifier. Make sure there is sufficient air circulation around the intended mounting location. Position the subwoofer enclosure where you wish to install it.
Connecting the subwoofer Before doing any wiring, look through this manual and identify the diagrams to follow for power, input and speaker connections for your particular installation. Be sure you understand all the connections before you proceed. 1. Connect the ground terminal to the closest point on the chassis of the vehicle. Keep this ground wire to less than 39" (100 cm) in length.
If the rest of your system is weak on the mids, you may wish to set this speakers as the audio source for the USS8 and USS10. Use the supplied control relatively high. If the midrange is well covered by the rest of...
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Low and High Level Input Wiring Low-level (RCA) input wiring is preferred for best audio performance. Most trunk or hatchback installations will require a 15-20 foot RCA cable, while pickup trucks and under-seat installations will require a 6-12 foot RCA cable. Always use a high-quality cable. The high level input (s) should only be used when your receiver lacks RCA outputs.
Troubleshooting If you experience operation or performance problems with this product, compare your nstallation with the electrical wiring diagram on the previous pages. If problems persist, read the following troubleshooting tips which may help eliminate the problems. POSSIBLE REMEDY SYMPTOM Amplifier will not power up Check to make sure you have a good ground connection.
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