For transmission of the analog audio signal between common connections such as a CD player or MP3 player to an amplifier. High-quality materials ensure excellent, interference-free sound quality. Audio extension cable with 3.5 mm jack plug to 3.5 mm jack plug, stereo, 2.5 m. Compact adapter with 6.3 mm jack plug to 3.5 mm jack plug, stereo. Compact adapter with 3.5 mm jack plug to 6.3 mm jack plug, stereo. Compact adapter with 3.5 mm jack plug to two 3.5 mm jack couplings, stereo. Compact adapter with 3.5 mm jack plug to 3.5 mm jack plug, stereo.