About: JL Audio RBC-1 Remote Bass Control for JL Audio Amplifier 

Remote Bass Control for Select JL Audio Amplifiers. The RBC-1 kit includes the rotary control with a black ABS knob, mounting hardware and one 18 ft. (5.5 m) cable.

Features:  

• Remote bass control for JL Audio A-Series, G-Series, RD Series, and Slash v2 amplifiers (except the 300/2v2 and the 300/4v2)
• Allows variable (0-12 dB) bass boost in JL Audio A-Series and G-Series amps
• Remote level control for RD Series and mono JL Audio JX-Series amps (JX250.1, JX500.1, and JX1000.1)
• 18' remote cable and mounting hardware included

The RBC-1 Remotely Controls the Bass Level of the Following JL Audio Amplifiers:

• JD-Series: JD250/1, JD500/1, JD1000/1
• JX-Series: JX250/1, JX250/1D, JX500/1, JX500/1D, JX1000/1D
• HX-Series: HX300/1 in Low Pass Mode (Note: M-RBC-1 is also available)
• MHX-Series: MHX300/1 in Low Pass Mode (Note: M-RBC-1 is also available)
• MX-Series: MX300/1, MX500/1 in Low Pass Mode (Note: M-RBC-1 is also available)
• RD-Series: RD500/1, RD1000/1, RD1500/1, RD900/5

Note: When the RBC-1 is connected to the above amplifiers, it acts as an attenuator on the input gain of the amplifier and is used to adjust the overall level of the amplifier from the front of the vehicle.

The RBC-1 Remotely Controls the Bass Level of the Following JL Audio Subwoofer Systems:

• PowerWedge+: All Models
• MicroSub+: All Models

Note: When the RBC-1 is connected to the above subwoofer systems, it acts as an attenuator on the input gain of the amplifier and is used to adjust the overall level of the amplifier from the front of the vehicle.

The RBC-1 Remotely Controls the Bass EQ Boost Feature of the Following JL Audio Amplifiers:

• Slash v3 Series: 600/1v3, 1200/1v3
• Slash v2 Series: 250/1v2, 500/1v2, 1000/1v2, 450/4v2
• Original Slash Series: 500/1, 1000/1, 450/4, 500/5
• G-Series: All Models
• A-Series: All Models
• e-Series: All Models (including marine versions)
• M-Series: M1400, M1700, M2150, M2250, M4300, M4500, M6450, M6600

NoteL When the RBC-1 is connected to the above amplifiers, the on-board "Boost" control of the amplifier is defeated and the RBC-1 becomes the active controller.

What's in the Box: 

• Bass Controller with attached knob and 9" cord terminated by a female RJ-11 port
• 18' control cable with a male RJ-11 connector on each end
• 2 Nuts
• 2 Washers
• Installation Instructions