This adaptor is designed to adapt a phone plug to an XLR input
3-Pin XLR Male Plug Connection B: RCA Female Jack. XLR PIN-1 and 3 are tied together and carry the Ground via the Chassis, this connects to the Surround of the RCA.
High quality durable design with tight connections and secure lock
Protective Shielding for RF and EMI noise elimination.
Package included: 2 pack RCA female to XLR male adapter

What's in the box
2 x XLR Male - RCA Female Silver Chassis Adaptors