1. TRS 3.5mm female to 6.3mm male 1/4" to 1/8" audio adapter is a convenient and cost-effective way to connect smartphones, tablets, iPod or headphones with standard 3.5mm 1/8 inch plugs to audio devices with a 6.35mm 1/4 inch stereo jack, making your favorite headphones or other devices compatible with most pro audio and home audio equipment, such as amplifiers, mixing console, home theater devices or AV receivers.
  2. 6.35mm to 3.5mm audio adapter is designed to connect your smartphones, tablets, iPod, MP3 or headphones with standard 3.5mm 1/8 inch to most pro audio and home audio equipment, such as amplifiers