SP-U150: USB Powered Speakers from Genius Date:   Monday , October 10, 2011 Genius Infotech launched its new USB powered speakers, SP-U150, to India. It has a 52 mm speaker driver and 4watt of output. The speaker comes with a signal-to-noise ratio of 85dB and has a frequency response of 180~20 K. It comes in piano-black finish and includes volume control, headphone jack, and line-in jack options. This speaker can be used with any CD/MP3 player, cell phone, PCs or Laptops and is compatible with Windows 7, Vista, XP, Mac 10.0 or above.