Arion Legacy Deep Sonar 750 Bone Crushing Bass Gigantic Size 2.1 PC Speakers with Dual Subwoofers and Control Box Connects TV, Headphone, Microphone and Charges USB Devices Bone crushing bass: for realistic music reproduction, more power is always desirable - especially in the lower frequencies! Add this speaker to your large home office or HDTV, and enjoy sound that moves you. Two independent amplifier circuits power the two massive 5.25 inch subwoofers, for maximum efficiency and output. Robust amplifier uses large transformers, heatsinks and capacitors to handle loud dynamic audio without distortion. Desktop control box: adjust volume, bass, treble; switch between audio source 1 and 2; connect headphones and microphones; charge smartphones, tablets, MP3 players or Bluetooth devices. Package includes: two satellite speakers, one subwoofer, power adapter, 3.5mm extension cable, 3.5mm to RCA cable, subwoofer cable (dual), left satellite cable (white), right satellite cable (red), control box, user manual. 1 year limited warranty. Specifications: Total Peak Power: 166 watts; Total RMS Power: 73 watts; Satellite RMS Power: 10.5 watts x 2; Subwoofer RMS Power: 26 watts x 2; Satellite Drivers: dual 3 inch woofers and 1 inch tweeter; Subwoofer Drivers: dual 5.25 inch subwoofers; Satellite Dimensions: 4.18 x 10.56 x 5.99 inches; Subwoofer Dimensions: 9.77 x 13.43 x 11.26 inches; Control Box Dimensions: 6.50 x 1.97 x 6.11 inches; USB Power Output: 5V / 1A.