This is an RCA Female to 1/4" Male adapter. Quarter Inch adapters are typically used for microphones and professional audio equipment. RCA is most commonly used with stereo equipment and home theater setups. With this adapter, you can easily convert your RCA male connection into a 1/4" male connection. This adapter is made from quality materials. It is shielded to prevent interference, nickel-plated for increased conductivity and is perfect for any musician on the road or in the studio. This adapter is a fantastic price and comes with a lifetime warranty.