Digital Audio Coax RG6 75 Ohm RCA Cable - 125 ft high-speed

In this review the focus is on a long-run coaxial cable intended for audio and video use, and the bottom line is straightforward: this 125 ft RG6 cable is best for installers and home theater owners who need a reliable, interference-resistant run for subwoofers, S/PDIF or composite video. The reviewer found it holds high-frequency signals well, benefits from solid compression RCA connectors and weather-stabilized construction for indoor or outdoor routing, and delivers clear audio with minimal noise when paired correctly.

Key Features

• 75 Ohm impedance: Maintains proper matching for S/PDIF and television signals to reduce reflections and preserve signal integrity over long runs.
• High-frequency sweep: Swept to 3.0 GHz and usable down to 2.3 MHz so it handles both digital and analog signals without obvious loss.
• Solid construction: 18 AWG solid center conductor plus aluminum braid and shielding reduce interference for crisp audio and video transfer.
• RCA compression connectors: Precision-machined, weather-stabilized connectors offer a secure connection and work for both indoor and outdoor installations.
• All-purpose compatibility: Works with subwoofers, speakers, satellite and cable systems, composite/component A/V and S/PDIF digital links.
• Durable jacket: UV-coated PVC outer jacket and weather-stabilized connectors let the cable be routed outdoors or in basements without rapid degradation.

Who It's For

This cable is aimed at DIY home theater builders, audio installers and anyone who needs a long, continuous 75 ohm run for digital audio, subwoofer connections, or composite video where a single, shielded coax is desirable. Its length and shielding make it especially useful where runs exceed typical RCA or patch cable lengths.

People who want a flexible, ultra-soft cable for frequent coiling or portable use should look elsewhere; reviewers noted the cable can be somewhat stiff on long reels which makes tight bends more difficult during installation.

Pros & Cons

Pros

• Good cable quality and durability for long-term indoor or outdoor installations.
• Performs well with audio signals, delivering clear, unadulterated sound when properly connected.
• Heavy shielding and a solid 18 AWG conductor help preserve high-speed signals and reduce noise.
• Long 125 ft length covers most room-to-closet or attic runs without connectors.

Cons

• Some users find the cable somewhat stiff, which can complicate routing in tight spaces.
• Length may be excessive for casual users who only need short interconnects.

Specifications

Brand	THE CIMPLE CO
Impedance	75 Ohm
Length	125 ft
Center Conductor	18 AWG solid
Frequency Sweep	Up to 3.0 GHz, down to 2.3 MHz
Connectors	RCA compression, weather-stabilized
Jacket	UV-coated PVC, outdoor rated

Our Verdict

The cable is a practical choice for anyone needing a long, shielded 75 ohm run for digital audio, subwoofers or composite video; it offers solid construction, good high-frequency performance and weatherized connectors at a reasonable value. Installers and home theater owners will appreciate the durability and signal clarity, while casual users should confirm they need 125 ft before buying.

Frequently Asked Questions

Can this cable carry digital S/PDIF signals reliably?
Yes, the 75 ohm impedance and sweep to 3.0 GHz make it suitable for S/PDIF digital audio runs when paired with proper connectors.

Is this cable suitable for outdoor installation?
Yes, the UV-coated PVC jacket and weather-stabilized connectors are intended for both indoor and outdoor use.

Will the cable work with a subwoofer?
Yes, it is compatible with subwoofers and speaker-level equipment when used as an RCA coaxial link or line-level connection as appropriate.