JL Audio JLA-010-13839-00 MHD-RLC Water-Resistant Amplifier Remote Level Control

JL Audio JLA-010-13839-00 MHD-RLC Water-Resistant Amplifier Remote Level Control - Wired Remote Bass Control with 5m Cable

Water-resistant wired remote level control enabling convenient bass adjustment for MHD and XDM marine amplifiers from the helm position.

Product Overview

The JL Audio MHD-RLC Water-Resistant Amplifier Remote Level Control (JLA-010-13839-00) provides convenient bass level adjustment for compatible JL Audio marine amplifiers without accessing the amplifier itself. This wired remote control acts as an attenuator on the amplifier's input gain, enabling real-time bass level adjustment from the helm, cockpit, or driver's position. The water-resistant design withstands marine environments where moisture, spray, and humidity are constant concerns. The included 5-meter (16.4-foot) cable accommodates installations where amplifiers are mounted in storage compartments, under seats, behind panels, or in engine bays while the control knob mounts at convenient locations near the driver or helm operator. The black ABS knob construction provides durability and corrosion resistance while maintaining professional aesthetics. Compatible with JL Audio MHD Marine Amplifiers and XDM Car and Marine Amplifiers, the MHD-RLC enables on-the-fly bass adjustment to compensate for passenger load, water conditions, speed, music genre, or personal preference without leaving the helm position. The included mounting hardware ensures secure installation on dash panels, consoles, or bulkheads, while the straightforward wiring connection integrates seamlessly with compatible amplifiers.

Features & Benefits

Water-resistant construction protects internal components from moisture intrusion common in marine environments, ensuring reliable operation despite exposure to spray, humidity, and occasional water contact. Remote level control enables convenient bass adjustment from the helm or driver's position without accessing amplifiers mounted in inaccessible locations like storage compartments, under seats, or behind panels. The 5-meter (16.4-foot) cable accommodates typical marine and automotive installations where amplifiers are positioned away from control locations, providing adequate length for routing through bulkheads, along stringers, or through dash areas. Black ABS knob construction provides durable, corrosion-resistant operation with professional appearance suitable for premium boat and vehicle interiors. Input gain attenuation function adjusts overall amplifier level rather than just bass EQ, providing proper level matching and preventing distortion from overdriven inputs. Real-time adjustment capability allows tuning bass response on the fly to compensate for changing conditions—reduce bass with full passenger load, increase during solo operation, adjust for different music genres, or fine-tune based on speed and ambient noise. Simple installation process with included mounting hardware enables secure attachment to dash panels, consoles, or bulkheads without specialized tools or expertise. Universal compatibility with both MHD Marine Amplifiers and XDM Car and Marine Amplifiers ensures consistent functionality across JL Audio's marine amplifier lineup. Professional appearance integrates seamlessly with marine and automotive interiors without aftermarket aesthetic compromises.

Technical Specifications

Compatible With / Goes Well With

JL Audio Marine Amplifiers: MHD Marine Amplifiers (all models) for comprehensive bass level control from helm position, XDM Car and Marine Amplifiers for bass adjustment in hybrid car/marine applications

JL Audio Marine Subwoofers: M3 Marine Subwoofer, M6 Marine Subwoofer, M7 Marine Subwoofer when powered by compatible MHD or XDM amplifiers requiring remote bass control

JL Audio Source Units: MediaMaster 55 Stereo, MediaMaster 105 Stereo for complete system integration where amplifier bass control complements source unit adjustments

System Applications: Center console boats with under-seat or storage compartment amplifier mounting, bowriders with stern-mounted amplifiers, larger cruisers with engine room amplifier installations, automotive applications with trunk or under-seat amplifier placement

Installation Requirements: Compatible MHD or XDM amplifier with remote level control input, mounting location within 5 meters of amplifier, dash or console mounting position for convenient helm/driver access, cable routing path from control location to amplifier

Frequently Asked Questions

How does the MHD-RLC differ from standard bass boost controls on amplifiers? The MHD-RLC acts as an input gain attenuator, adjusting the overall signal level entering the amplifier rather than applying bass boost EQ. This provides proper level matching and prevents input overload distortion that can occur when using amplifier-mounted bass boost at high levels. The remote location enables convenient adjustment from the helm/driver position, while amplifier-mounted controls require accessing the amplifier installation location. The MHD-RLC is the proper way to adjust bass level on the fly without introducing distortion or leaving the driving/piloting position.

Is 5 meters of cable sufficient for my installation? The 5-meter (16.4-foot) cable accommodates most marine and automotive installations including center console boats with under-seat amplifiers, bowriders with stern-mounted amplifiers, automotive applications with trunk-mounted amplifiers, and small to mid-size cruisers with accessible amplifier locations. Measure your actual routing path from desired control mounting location to the amplifier's remote control input, accounting for routing around obstacles and proper cable management. For installations exceeding 5 meters, cable extension may be possible but consult with JL Audio technical support for proper implementation to avoid signal degradation.

Can I use the MHD-RLC with JL Audio amplifiers other than MHD and XDM series? No, the MHD-RLC is specifically designed for MHD Marine Amplifiers and XDM Car and Marine Amplifiers only. These amplifiers have dedicated remote level control inputs compatible with the MHD-RLC's signal protocol. Other JL Audio amplifiers like MX, MVi, or car audio amplifiers may use different remote control systems (like the RBC-1) and are not compatible with the MHD-RLC. Always verify compatibility with your specific amplifier model before purchasing—the MHD-RLC only works with MHD and XDM amplifiers.

Where should I mount the control knob for best accessibility? Common mounting locations include dash panels within easy reach of the helm operator or driver, center console side panels accessible from the driver's seat, lower dash areas near the driver's knee, or co-pilot areas in center console boats. Choose locations that provide intuitive access without requiring the operator to look away from the water/road or take hands off primary controls. The knob should be positioned where it can be adjusted smoothly while maintaining control of the vessel/vehicle. Ensure the mounting surface provides adequate clearance behind the knob for the mounting depth and cable connection.

How do I properly adjust bass level with the MHD-RLC during operation? Start with the amplifier's input gain properly set according to source unit output voltage and the MHD-RLC knob at mid-position (12 o'clock). Once underway, adjust the remote level control to achieve desired bass balance. Rotate clockwise to increase bass output, counterclockwise to decrease. For maximum bass output, turn fully clockwise; for minimum output, turn fully counterclockwise. Make adjustments based on passenger load (reduce bass with full load), water conditions (increase in calm water, reduce in rough seas), speed (adjust to maintain clarity at different speeds), or music preference. The water-resistant construction allows adjustment even with wet hands.