Keep vinyl records spinning and enjoy digital audio streaming with these Bluetooth-enabled Kanto YU4 phono speakers. The built-in phono preamp accommodates vintage and modern turntable models, and they have a 5V USB port for charging gadgets. Plug an additional subwoofer into the sub-out port of these Kanto YU4 phono speakers for enhanced bass. | Kanto | | 4" Wireless 2-Way Bookshelf Speakers (Pair | Matte White | Best Buy