Edifier e10BT Exclaim Bluetooth Speakers with Dual Bass - Wireless Home Speaker System Bluetooth pairing capability with A2DP & AVRCP profile support Total Power: 36 Watts Each upper section of the speaker contains two 11/2 inch midrange/tweeters, and a 11/2 inch x 3 inch passive radiator Each base section of the speaker contains a 3 inch woofer and a 3 inch passive bass radiator for maximum deep bass effect Volume adjustment and power/standby control buttons Incorporation of DSP (Digital Signal Processing technology) and DRC (Dynamic Range Control) for enhanced audio performance Universal 100V-240V power supply