HB2 Hi-fi Hub System consists of QP2R Digital Audio Player&HB2. QP2R is an upgrade version of the 2016 iF Design Award winner QP1R. HB2 is a hi-fi hub for extending outputs of QP2R. Any speaker system can be linked with HB2 via its complete outputs. It supports remote control and charging for QP2R. It avoids resonance by using aircraft-grade aluminum and silicone. With its impressive design, great performance and multi-scene application, the system brings users wonderful listening experience in both mobile and fixed locations.