RWS12CA: How To Set Up

Introduction

The Rockville RWS12CA is a slim 12-inch active subwoofer with a built-in amplifier, making it easy to install while delivering deep bass. This guide will walk you through its features, wiring, and controls to help you set up your subwoofer.

Step 1: What’s Included

• Rockville RWS12CA Active Subwoofer
• Bass Remote Knob (for volume control from the front seat)
• Extra Fuse
• High-Level Input Wire Harness (for vehicles without RCA outputs)

Step 2: Connecting the Audio Source

Option 1: High-Level Input (For Head Units Without RCA Outputs)

1. Use the included high-level input wire harness.
2. Plug one end into the high-level input on the subwoofer.
3. Connect the wires labeled for left and right channels to the high-level output wires on the back of your head unit.

Option 2: RCA Input (For Head Units with RCA Outputs)

1. Connect an RCA cable from your head unit or music source.
2. Plug the other end into the RCA inputs on the subwoofer.

Step 3: Installing the Bass Remote Knob

1. Take the included bass remote knob cable.
2. Plug one end into the bass remote knob.
3. Connect the other end to the remote input on the subwoofer.
4. Install the knob within reach of the driver for easy adjustments.

Step 4: Powering the Subwoofer

1. 12V Power Terminal → Connect to the positive terminal of your vehicle’s battery.
2. Remote Terminal → Connect to:
   • The ignition/accessory wire of your vehicle.
   • The remote output of your head unit.
3. Ground Terminal → Connect to a metal chassis ground in your vehicle.

Tip: If your subwoofer does not turn on, check the wiring and fuse.

Step 5: Adjusting Sound Settings

1. Gain Knob

• Adjusts the subwoofer’s volume level within your setup.
• Gain Setting Tip:
  1. Raise your head unit volume close to distortion.
  2. Slowly increase the gain knob just before distortion.

2. Low-Pass Filter

• Controls the highest frequency the subwoofer will play.
• Example:
  • 100Hz setting → The subwoofer plays only 100Hz and below.

Step 6: Final Setup

1. Double-check all connections.
2. Power on your head unit and test the bass output.
3. Fine-tune gain and frequency settings for the best sound.
4. Use the bass remote knob to make adjustments as needed.

Conclusion

The Rockville RWS12CA is easy to install and fine-tune, offering powerful bass in a slim, space-saving design.