PSP Sound System Sound System for PSP Playstation Portable Features: Docking & Sound, the PSP Sound System offers a complete solution to listen and recharge your PSP. It produces hi-fi quality sound from the combination of a sub-woofer, dynamic tweeter speakers and 3D surround sound processor. Incredible sound for both gaming and movie viewing. It is a must have for any PSP owner. TECHNICAL SPECS (memory card, number of players, etc.):> _2.1 Sub-Woofer speaker system, 2.5” Woofer-4ohm (6 Watts RMS output) + 2x 30mm full range neodymium aluminum satellite speakers-4ohm (6 Watts RMS ouput). A total of 12 Watts RMS Output, Operates on AC Adaptor or Batteries (4xAA) (not included), Internal 3D Surround Sound Processor, Docking station for PSP re-charging, Blue soft-light illumination, 3.5 mm Stereo line-in for playing othe raudio devicees like MP3s, MD, CD player, etc. Includes 3.5mm to 3.5mm stereo line-in cable and extension cable to allow PSP play with full sound experience.