IK Multimedia iRig 2 Guitar Interface Adaptor for iPhone, iPod Touch, iPad, Mac and Android (IPIRIG2PLGIN) The sequel to the best-selling iRig interface. 1/4" instrument input for use with guitar, bass and other line instruments 1/4" amplifier output for use with an external amplifier without an adaptor 1/8" TRRS output for use with iPhone, iPad, iPod touch, Mac and Android Comes with AmpliTube FREE for iOS (free download on the App Store) and AmpliTube FREE for Samsung Pro Audio (free download on Samsung Galaxy Store) Devices tested to work with irig 2 and amplitube app are samsung galaxy s5, samsung galaxy s6, samsung galaxy s6 edge, samsung galaxy s7, samsung galaxy s8, samsung galaxy note 3, samsung galaxy note 4 and samsung galaxy note edge