MM3A features a full-channel DSP digital electronic 4th-order frequency crossover design. It comes equipped with a 0.65-inch silk dome tweeter, a 3-inch aluminum cone woofer, and two horizontally opposed 3-inch passive radiators.The speaker supports five input modes: Bluetooth (supports LDAC), USB, 3.5mm AUX, optical, and coaxial, and it also allows the PEQ tuning using using MOONDROP APP.Integrating sophisticated craftsmanship, versatile functionality and exceptional sonic performance, the MM3A redefines compact desktop speakers with superior accuracy, musicality and dynamic range.