JL Audio XMD Marine RCA Interconnect Cable, Twisted-Pair, OFC Copper
Got questions? Ask an expert!
Know someone who needs this?
Share it with your crew or mechanic.
Overview
The JL Audio Marine RCA Audio Interconnect is an RCA patch cable for carrying low-level audio signal between a source unit, processor, and amplifier in a boat stereo system. It is offered in 2-channel and 4-channel versions, with lengths from 3 ft up to 25 ft (7.62 m) to match short helm runs or longer routes to amps mounted in a console, cabin, or aft compartment.
The cable uses twisted-pair conductors with oxygen-free copper and polyethylene dielectrics, plus molded connector bodies and machined brass connector elements. That construction helps keep the connection stable and the signal clean when the boat is dealing with vibration and electrical noise from pumps, chargers, and engine systems.
Key features
- RCA audio interconnect for line-level signals between head unit, DSP, and amplifier inputs.
- Available in 2-channel and 4-channel layouts to match common stereo and multi-input amp wiring.
- Length options to suit tight helm spaces or long runs across the boat (3 ft, 6 ft, 12 ft, 25 ft).
- Twisted-pair conductor geometry that helps reduce picked-up noise in real-world cable routing.
- Oxygen-free copper conductors with polyethylene dielectrics for consistent signal transfer.
- Molded connector bodies with machined brass connector elements for a secure fit at the RCA jacks.
Variants
This interconnect is available with two channel counts and multiple cable lengths. The channel count changes how many RCA pairs are in the single jacketed cable, and the length changes how far you can route the signal run without adding couplers.
2-channel versions carry one left and right pair. 4-channel versions carry two left and right pairs in the same cable, which is commonly used when feeding multiple amplifier inputs from a multi-zone source or a processor.
Installation and routing
Run RCA cables separately from high-current DC wiring when you can, especially battery feeds to amplifiers, windlass lines, and long pump runs. If cable paths must cross, crossing at a right angle helps reduce induced noise compared with running side-by-side for long distances.
Leave a little service loop at the source and amplifier ends so you are not pulling on the RCA jacks during service. Support the cable with clamps or ties so the connectors are not carrying the weight of the run in a vibrating console.
Compatibility notes
This is an analog RCA interconnect intended for preamp or line-level audio connections. It mates with standard RCA inputs and outputs found on many marine source units, processors, and amplifiers, and it is not meant for speaker-level wiring.
What’s included
- One marine audio RCA interconnect cable (channel count and length as selected).
Maintenance and care
Keep the RCA ends clean and dry where possible, especially in open consoles or lockers that see spray. During seasonal checks, inspect the connectors for looseness or corrosion and make sure the cable jacket has not been pinched by hatches, drawers, or rigging tubes.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.
