10 Foot Plenum 3.5mm Male to Male Stereo Audio Cable - In-Wall Rated

Our review of this 10 ft plenum 3.5mm male-to-male stereo audio cable finds it best suited for homeowners and installers who need a safe, in-wall audio pass-through. The biggest reason to buy is its plenum and CL3 in-wall rating, which means the cable can be routed through ceiling plenums and wall cavities without the fire and fume risks of ordinary cable. It is a straightforward solution for connecting portable audio sources to a home or office system while keeping wiring concealed and compliant.

Key Features

• Plenum rated: The cable is designed for installation in walls and ceiling plenum spaces so it meets stricter fire and smoke safety needs for building wiring.
• CL3 in-wall classification: The CL3 rating allows safe in-wall use and supports the voltage needs of typical audio devices up to the stated rating.
• Shield and drain wire: An aluminum/polyester shield with a drain conductor helps reduce interference and maintains a consistent signal for clearer playback.
• Polished nickel-plated connectors: Nickel-plated 3.5mm male plugs help ensure dependable connections and minimize signal loss at the jacks.
• 10 ft length: Ten feet gives flexibility to route between hidden wall/ceiling terminations and nearby audio sources or receivers.
• Sturdy black jacket: A durable outer jacket suited to in-wall runs resists wear during installation and stays discreet behind plates.

Who It's For

This cable is ideal for installers, AV hobbyists, and homeowners who want to run a hidden audio feed from a portable device, Bluetooth receiver, or streaming puck into their home or office audio system. It works well where code-compliant in-wall wiring is required, such as commercial spaces or modern homes with finished ceilings.

It is not the best choice for personal headphones or for use as a flexible everyday patch cable, because the plenum jacket and construction are stiffer than soft headphone cords. For portable headphone use, a dedicated soft-jacket consumer cable is preferable.

Pros & Cons

Pros

• Plenum construction reduces fire and toxic fume risk for ceiling and wall installations.
• CL3 rating permits safe in-wall routing and supports typical audio voltages.
• Shielding and drain wire help maintain clear stereo audio with less interference.
• Durable nickel-plated connectors and a black jacket give reliable, long-lasting connections.

Cons

• The cable is relatively stiff compared with consumer headphone cords, making it less suited for handheld or daily portable use.
• Only a 3.5mm stereo connection is provided, so adapters are needed for other connector types.

Specifications

Length	10 ft
Connector	3.5mm male to male stereo
Conductor	22 AWG, 2 conductor
Ratings	UL-listed, ART 800 plenum, CL3 in-wall
Shielding	Aluminum/polyester shield with drain wire
Jacket color	Black
Connector finish	Polished nickel-plated

Our Verdict

This 10 ft plenum 3.5mm male-to-male cable is a practical, code-conscious choice for in-wall and ceiling audio installs when you need a simple stereo feed from a portable source to a fixed sound system. It offers good value for anyone who needs UL-listed plenum safety and a CL3 in-wall rating, though those wanting a soft portable lead should look elsewhere.

Frequently Asked Questions

Can this cable be run in a ceiling plenum?
Yes, it is ART 800 plenum rated and UL-listed for routing in plenum spaces where fire and smoke performance is required.

Is it suitable for connecting headphones?
No, the cable is comparatively stiff and intended for in-wall installation; a softer consumer headphone cable is better for handheld use.

What devices will it connect?
It connects any audio device with a 3.5mm headphone or line output to a stereo input, such as a receiver, powered speakers, or in-wall audio plate.