Headphone adapter cable TECHLY 3.5mm stereo to 2x RCA — TECHLY 367973

TECHLY Headphone Adapter Cable 3.5mm stereo to 2x RCA (model 367973) is an audio adapter cable designed to convert a 3.5 mm stereo headphone or line output into two RCA connectors for left and right channels. The cable enables wired connection of smartphones, laptops, portable players and other devices with a 3.5 mm output to amplifiers, AV receivers, powered speakers and stereo systems that accept RCA inputs. It is intended for simple signal routing in home audio setups and basic multimedia configurations.

Advantages

The adapter provides a direct analog stereo connection without requiring active conversion, enabling straightforward connection between 3.5 mm sources and RCA-equipped audio equipment. Its two RCA plugs separate left and right channels for proper stereo reproduction. The compact cable form factor simplifies integration into existing setups and reduces the need for additional adapters or re-wiring.

Suitable for

• Connecting a headphone or line-out from a smartphone, laptop or portable player to a stereo amplifier or powered speakers
• Routing audio from a computer or media player to an AV receiver with RCA inputs
• Temporary or permanent connections in home audio and multimedia systems

Key specifications

• Input: 3.5 mm stereo female (or cable terminated with 3.5 mm male for source connection)
• Output: 2 × RCA connectors (left and right channels)
• Signal type: Analog stereo audio
• Cable type: Audio interconnect cable for line-level signals

How to use

Insert the 3.5 mm plug into the headphone or line output of your source device. Plug the RCA connectors into the left and right inputs on the amplifier, receiver or powered speakers, matching colors or channel labels. Set the source device to the desired playback level and select the corresponding input on the receiving device. Adjust volume levels on both source and receiver to achieve the required listening level.

Usage recommendations

Use the cable for line-level connections; avoid using it with unbalanced microphone-level signals. For optimal results, ensure secure connector seating and route the cable away from power cords and sources of electromagnetic interference. Reduce source volume before connecting or disconnecting to prevent pops or transient sounds.