Maxxsonics Mm-i Ipod / Mp3 Interface Great for iPod, satellite radio, and MP3 players 1/8" (3.5mm) mini jack input easily connects to iPod & most portable media players 4-channel output works with 2- or 4-channel amplifiers Inputs: 1/8" (3.5mm) mini jack, 4-channel RCA Outputs: 4-channel RCA