Spyder Groove Speaker Backpack.

Spyder Groove Speaker Backpack.

"Spyder Groove Speaker Backpack uses a built in amplifier and NXT "Exciters" which sit in the front panel of the backpack to playback your music which can be plugged into any music device with a stereo jack. The backpack is water resistant and features various pockets for your gear and a padded laptop sleeve. [$120]