If you’re looking for top-notch sound quality and flexible connectivity options, the B2 is the system for you. Also known as the A2 All-in-One, the B2 is a portable system that delivers high-fidelity stereo sound and connects to your music in seconds from any app or device. With wired and wireless inputs, the B2 connects quickly and easy via Bluetooth aptX or a single input for your turntables, tape decks, or other analog sources.