KDC-5057SD CD/USB/SD-Receiver with iPod Direct Control Detachable FaceplateMade for iPod & iPhone *CD doorOptional IR remote controller USB Car Stereo KDC-220UICD-Receiver with Front USB & AUX InputKDC-130UBCD-Receiver with Front USB & AUX Input.KDC-130UGCD-Receiver with Front USB & AUX Input.KDC-130URCD-Receiver with Front USB & AUX Input.