The Remote Bass Control knob RBC1 is designed for JL Audio JD, JX, and RD Series Subwoofer Amplifiers. Here are the key features and compatibility details of the RBC1:

• Function: Allows control of the bass level of your JL Audio subwoofer amplifier from the driver's seat.
• Compatibility: Compatible with select JL Audio Mono, 1 channel, Subwoofer Amplifiers from the JD, JX, and RD Series.
• Included Components: The RBC1 package includes a rotary control knob, mounting hardware, and an 18 ft. (5.5 m) cable for easy installation.
• Compatible Amplifiers:
  • JD-Series: JD250/1, JD500/1, JD1000/1
  • JX-Series: JX250/1, JX250/1D, JX500/1, JX500/1D, JX1000/1D
  • RD-Series: RD500/1, RD1000/1, RD1500/1, RD900/5

With the RBC1 Remote Bass Control, you can easily adjust the overall level of your JL Audio subwoofer amplifier directly from the front of your vehicle. Fine-tune the bass response to your liking and optimize your listening experience with the convenience of this remote control knob.