DOCK E30 The game changer: studio quality sound with unparalleled versatility, wireless charging and Wi-Fi Orbitsound presents the latest addition to the Airsound family, the DOCK E30 an stream audio wirelessly via Wi-Fi or aptX Bluetooth, is multi-room compatible with other Orbitsound Wi-Fi Speakers such as the P70W, features Spotify Connect and TuneIn internet radio, and offers USB-C and Qi wireless charging for your phone. Featuring Qi Wireless Charging and USB-C capabilities, the DOCK E30 has been carefully designed for the mobile generation. Leave your device to charge on top of the E30, or use the Docking groove. Compatible with the all-new Orbitsound S4 Subwoofer. Take sound to the next level with this formidable addition to the DOCK E30. This powerful subwoofer will enrich and deepen the bass of your system, creating an impeccably rich and satisfying audio experience. Subtle in appearance and striking in sound, the wireless SUB S4 is designed to blend into any environment. The SUB takes care of the lowest frequencies, leaving the DOCK E30 to take care of the mid and high range frequencies.