Amazon.com: American Bass XD-1244 12-inch Subwoofer 500 Watt RMS / 1000 Watt Max Dual Voice Coil 4 Ohm Voice Coils 125 Oz Magnet : Electronics
Auna - auna Pro PW-1015 SUB MKII Caisson de sono passif , subwoofer 15"" , conception Bassreflex , 500 W RMS / 1000W max. - Sonorisation portable - Rue du Commerce
Xcelsus XXS12 SQL (30 cm, 500 W RMS, Double 4 Ohm)