Monoprice Onix Series 50ft 75-ohm Digital Coaxial RCA Cable

Monoprice Onix Series 50ft RG-6/U digital coaxial RCA cable delivers reliable 75-ohm S/PDIF audio and composite video signal transfer with CL2-rated safety and double-braided shielding.

Built for home theaters, wall runs, and any setup that demands high-bandwidth RCA connections, this Monoprice Onix Series cable combines a pure copper conductor, dual copper braid shielding, and a nylon-braided jacket to protect signal integrity while resisting abrasion. The 50-foot length and gold-plated RCA male connectors make it easy to route audio or composite video between devices without compromising impedance or introducing excessive noise.

How does this cable protect audio quality in home theater setups?

The cable uses a 97% oxygen-free copper center conductor with double copper braid shielding to minimize signal loss and reject EMI/RFI interference. Maintaining the specified 75-ohm impedance keeps digital S/PDIF transfers stable and reduces reflections that can degrade high-frequency data.

• 97% oxygen-free pure copper conductor for low resistance
• Double copper braid shielding to block electromagnetic and radio interference
• 75-ohm impedance matched for S/PDIF and RF stability
• 22 pF per foot capacitance to control high-frequency roll-off

Is this cable safe for in-wall installation and long runs?

Yes — the Onix Series cable carries a CL2 rating, meaning its jacket has been treated to meet residential in-wall fire-safety standards. The nylon-braided outer layer also resists nicks and cuts during installation, preserving the jacket and shielding for long-term reliability.

• CL2-rated jacket for in-wall residential compliance
• Nylon-braided exterior increases abrasion resistance while remaining flexible
• 50-foot length suitable for long runs between components or through walls

Will this cable work for both digital audio and composite video?

The cable is optimized for S/PDIF digital audio over a 75-ohm path, but its construction also supports composite video and other line-level RCA signals. For best results, match impedance and connector types at both ends of the run to ensure signal fidelity.

• Primary use: S/PDIF/coaxial digital audio
• Also suitable for composite video and line-level RCA connections
• Gold-plated RCA male connectors improve contact and reduce corrosion

What physical and performance specs should I expect?

The Onix Series cable combines practical dimensions with audio-focused electrical properties to perform well in typical AV installations. Its 22 pF/ft capacitance, 75-ohm impedance, and oxygen-free conductor are parameters chosen to preserve timing and amplitude in digital audio transfers.

• Length: 50 feet (15.24 meters)
• Impedance: 75 ohms; Capacitance: 22 pF per foot
• Connectors: gold-plated RCA male on both ends
• Shielding: double copper braid; jacket: nylon braided over PVC

Who this cable is for: Installers, audiophiles, and home-theater owners who need a dependable, long-run coaxial RCA connection that meets in-wall safety codes will benefit from the Monoprice Onix Series 50ft cable. It's suitable for routing digital S/PDIF audio between receivers, DACs, and subwoofers, or for carrying composite video and other RCA signals where signal preservation and fire-rated cabling matter. If you require a longer length, robust shielding, and a cable built to professional install standards without premium boutique pricing, this Onix Series RG-6/U cable is a practical choice.