About Hosa STP203 Stereo 1/4"(M)-2x 1/4"(M) Insert Cable
Send / Return (Insert) Cable: 1/4 TRS Male to Two 1/4 TS Males. Send Return (also known as a Insert Cable) conventionally wired: TIP = Send RING = Return. Can be used as a "Y" to split stereo signal into Left and Right. In this case Right = RING and Left = TIP.