Garmin JL AUDIO (RD800) installation instructions

Contents

1. Important Safety Informationp. 1

   WARNING See the Important Safety and Product Information guide in the product box for product warnings and other important information. This device must be…

2. Tools Neededp. 1

   A inline fuse or circuit breaker • Drill and drill bits • Flat screwdriver • Wire cutter • Wire stripper • Power cable (Power Cable Gauge Guide, page 5) •…

3. Mounting Considerationsp. 2

   CAUTION In high ambient temperatures and after extended use, the device enclosure may reach temperatures deemed dangerous to touch. Therefore, to avoid…

4. Mounting the Amplifierp. 2

   Before you mount the amplifier, you must select a mounting location and purchase screws or other hardware suitable for the mounting surface. NOTE: Screws are…

5. Connection Considerationsp. 2

   WARNING The wiring (not included) from the battery to the amplifier must run through an inline fuse or circuit breaker (not included) as close to the battery…

6. Power, Inputs, and Speaker Port Identificationp. 3

   +12 VDC Ground Remote RCA input ports Speaker outputs

7. Settings Panel Identificationp. 3
8. Connecting to Powerp. 4

   NOTICE You must not connect the power wire to the amplifier and battery or circuit breaker before you complete all of the other connections. Connecting the…

9. Signal and Speaker Connection Considerationsp. 6

   When connecting your stereo and speakers to the amplifier, observe these considerations. • You can send signals to the amplifier using two, four, or six RCA…

10. Completing the Connectionsp. 9

    Before you connect the amplifier to the power source, you must complete all other connections to the amplifier. 1 Verify all speaker wires are connected to the…

11. Configuring the Amplifierp. 9

    Before you can configure the amplifier for any connected speakers and subwoofers, you must make all power, speaker, and stereo connections. 9

12. Amplifier Configuration Controlsp. 10

    Each amplifier section has a set of controls you must use to configure the sound for the speakers connected to that section (Settings Panel Identification…

13. Setting the Input Sensitivity Levelp. 13

    NOTICE Do not increase the Input Sensitivity settings in the system beyond the maximum level established during this procedure. Doing so will result in audible…

14. More Informationp. 13

    Troubleshooting Before you contact your JL Audio dealer or service center, you should refer to the LED information below to help diagnose the problem. If the…

15. Troubleshootingp. 13

    Before you contact your JL Audio dealer or service center, you should refer to the LED information below to help diagnose the problem. If the JL Audio…

16. Specificationsp. 15

    Operating voltage From 10 to 16 VDC negative ground Operating temperature From -20 to 65°C (from -4 to 149°F) Amplifier class Class D Frequency response 12 Hz…

17. Dimensionsp. 16

    mm (6.18 in.) 372 mm (14.66 in.) 330 mm (13.00 in.) 177 mm (6.96 in.) 345 mm (13.59 in.) 54 mm (2.13 in.) © 2025 Garmin Ltd. or its subsidiaries Garmin ®, the…