Boxe profesionale active JBL EON 612 , 500W, 126dB
iTek Power Supply for PC BD500-500 Watt, HDB Hydraulic Dynamic Bearing 12 mm Active PFC Protection, DC to DC Switching Converter, Efficiency Certification 80 Plus Bronze: Amazon.de: Computer & Accessories
Boxa activa Das Audio DR-512A , 12", 500W - DOCOM
Sennuopu, Active Subwoofer Car Bulit-In Amplifier 500W Built-in PWN MOSFET Tunnel Air Port Design Aluminum Box : Amazon.de: Electronics & Photo