Metra TSX-RCA21 2-Channel 21 ft RCA Interconnect Cable

The Metra TSX-RCA21 is a 2-channel 21 ft RCA interconnect cable for car audio, marine audio, and powersports audio systems. It is used for line-level RCA signal routing between source units, processors, equalizers, and amplifiers.

At a Glance

• 2-channel 21 ft RCA cable
• OFC mini 59 coax construction
• Flat cable construction for easier routing and concealment
• Directional cable design with shield ground lug
• Brass machined split barrel with gold finish
• 12-inch 22 AWG OFC black jacket grounding wire with ring terminal

Installation Notes

• Confirm signal routing, cable length, and connection direction before final installation
• Route RCA cables away from high-current power wiring where possible
• Avoid sharp bends, pinch points, and unsecured cable runs
• Professional installation is recommended for clean routing and noise-resistant system layout

What’s in the Box

• Metra TSX-RCA21 2-channel 21 ft RCA cable

Technical Specifications

• Brand: Metra
• Model: TSX-RCA21
• Product Type: 2-channel RCA interconnect cable
• Configuration: 2-channel RCA cable, 21 ft
• Signal Type: Line-level RCA audio
• Application: Automotive, marine, and powersports audio systems
• Length: 21 ft
• Ground Lead: 12-inch 22 AWG OFC grounding wire with ring terminal

Identifiers & Packaging

• MPN: TSX-RCA21
• UPC: 086429424917
• Sold As: Each
• Included Components: Metra TSX-RCA21 2-channel 21 ft RCA cable

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup