Unboxing e Review: Som Logitech Z506 5.1 Surround + teste de grave e músicas (PT-BR) - video Dailymotion
Обзор последних high-end акустических систем для ПК - Tom's Hardware Guide Russia
Logitech X-620 70.1 Watts RMS 6.1 Speaker | eBay
Kino domowe 6.1 Głośniki Subwoofer Logitech X-620 | Zawiercie | Kup teraz na Allegro Lokalnie
Logitech X620 | Installation Guide
Logitech X-530 5.1 powered speaker system at Crutchfield
On the 10th of september 2004 i bought Logitech X620 system. today after hard abuse one of the speakers stopped working (others work perfectly). 5 days short of 14 years awesome sound.
Logitech X-620 6.1 71W RMS - - | alza.hu
Logitech X-620 - YouTube
iXBT Labs - Logitech introduces 6 new sound systems