PSB SubSeries 450 12" DSP-Controlled Subwoofer Unboxing and Blog | AVS Forum
FS: PSB Speakers Subsonic 5i Powered Subwoofer (Black) - Hi-Fi and Cinema Cables & Accessories - StereoNET International
Amazon.com: Soundavo PSB-400DSP Class D Subwoofer Amplifier with DSP and LCD Presets Display for Home Theater 400W RMS / 1000W Max … : Musical Instruments
PSB SubSeries 450 DSP Controlled Subwoofer - Gloss Black
PSB Subseries 450 Gloss Black for sale online | eBay
PSB SubSeries 450 DSP-controlled powered subwoofer at Crutchfield