Orion CBW104D 10" 300W RMS Subwoofer DVC 4-Ohm

Orion XTR104D 10" 500W RMS Subwoofer DVC 4-Ohm

Rockford Fosgate P1S4-10 10” Subwoofer- SVC (4-Ohm), 250 Watts Rms, 500 W Peak

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

Orion CM354 - 3.5" 4 Ohm Midrange Speaker 75 Watts RMS

Orion Car Audio XTR8SWD4 8" 300W RMS Shallow Subwoofer DVC 4-Ohm

Audiopipe Pro Car Audio 15" 500 Watt RMS 2" SVC 4-Ohm Subwoofer

Rockford Fosgate R1S4-10 Prime 10” R1 4-Ohm SVC Subwoofer