The first touchscreen marine stereo with built-in Wi-Fi, the Apollo RA770 has redefined audio excellence with revolutionary technology and innovative design including Fusion's Digital Signal Processing, over-the-air software updates, a one-piece glass display and more source options than ever before, including advanced SiriusXM features. From the kick drum to the eardrum, Apollo has made it inherently simple to customize your audio entertainment for superior sound quality in any area of your boat.