With the A300, SMSL offers a compact, powerful and efficient Class D amplifier based on a pair of Infineon MA12070 amplifier chips, which allow it to deliver 4 Ohm 2x160W power. In addition to standard connectivity, the A300 also offers Bluetooth 5 connectivity. Furthermore, the A300 provides BTL mode to enjoy more power with a second unit and a subwoofer output to create a 2.1 audio system.