Amazon.com: Acoustic Audio PSW250-6 Home Theater Powered 6.5" LFE Subwoofer Black Front Firing Sub,250 Watts
Amazon.com: Q Acoustics Q B12 Subwoofer Carbon Black - Featuring Infinite Baffle Enclosure, 12" Driver, 220 Watt Class D Amplifier, 1.97" Voice Coil - Active Subwoofer for Home Theater Sound System : Electronics
Aktívny subwoofer RX-12/A | Somogyi Elektronic Slovensko s.r.o..
KEF PSW 2500 ACTIVE POWERED HOME THEATRE SUBWOOFER SPEAKER WITH ORIGINAL BOX | eBay
Sound Ordnance™ B-8PTD 125-watt compact powered subwoofer at Crutchfield
Audiopipe | United States | Car Competition Audio
Subwoofer v boxe Gladen RS 10 RB Active | Ahifi.sk