Kicker iK5BT2 Wireless Bluetooth USB/AUX Stereo Audio System 40IK5BT2 + Remote Kicker iK5BT2 Wireless Bluetooth USB/AUX Stereo Audio System 40IK5BT2 + Remote Bluetooth wireless streaming USB audio playback 1/8" auxiliary-input 5" drivers and 3/4" tweeters