The Edifier R990BT 2.0 Active Multimedia Speakers elevate your audio experience with Bluetooth v5.4 audio receiver for seamless audio streaming. Each speaker cabinet contains one 1-in. silk dome tweeter and one 4-in. long-throw mid-low driver. The MDF cabinet effectively reduces resonance and distortion, ensuring accurate reproduction of audio input. The dual RCA inputs allow you to connect 2 devices simultaneously, eliminating the need to constantly plug and unplug. The digital amplifier is capable of driving 12 watts to each of the stereo pair and providing DRC (dynamic range control). With a total output power of 24 watts RMS, the speaker pair can produce sufficient sound to fill a medium-sized room.