The Sonica mobile audio upgrade provides high quality 5.1 Dolby Digital surround sound for laptops or other computers. £59.00 in green folding ones.

‘Don’t have a surround sound receiver or 5.1 speakers? No problem. Sonica’s built-in TruSurround XT™ technology gives you simulated surround sound over your existing powered stereo speakers. The patented TruBass™ technology can even increase the perceived bass output of your existing speakers.’