Orion XTRPRO804D 8" 1000W RMS Subwoofer DVC 4-Ohm

DD Audio 8 Inch 2 Ohm DVC 1000 Watt RMS Power Tuned Subwoofer 608F-D2

Orion HCCA804 | 8" 1500W RMS Subwoofer DVC 4-Ohm

Orion HCCA802 | 8" 1500W RMS Subwoofer DVC 2-Ohm

Nemesis Audio NA-8T 8" 1500W RMS Subwoofer DVC

Orion CBW804S - 8" Subwoofer 200 Watts RMS SINGLE 4-Ohm

Nemesis Audio NA-FR5000D v.2 5000W Monoblock RMS Full Range Amplifier

Orion XTR12SWD2 12" 500W RMS Shallow Subwoofer 2-Ohm DVC