Q Power Single 15-Inch Vented Unloaded Box

Planet Audio AC15D Car Subwoofer - 2100 Watts Maximum Power, 15 Inch, Dual 4 Ohm Voice Coil, Easy Mounting, Sold Individually

Skar Audio SDR-15 D2 15" 1200 Watt Max Power Dual 2 Ohm Car Subwoofer

Car Vehicle Subwoofer Audio Speaker - 15inch Non-Pressed Paper Cone, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance, 2000 Watt Power, Foam Surround for Vehicle Stereo Sound System - Pyle PLPW15D

SoundBox Connected 4 Gauge Amp Kit Amplifier Install Wiring Complete 4 Ga Installation Cables 2200W

Audiopipe 15" Woofer Dual 4 Ohm 1800W Max by Audiopipe

Rockville W15K6D4 V2 15" 4000w Car Audio Subwoofer Dual 4-Ohm Sub CEA Compliant

Power Acoustik BAMF-152 15" Dual 2 Ω 3800W RMS Subwoofer

Skar Audio SDR-15 D4 15" 1200 Watt Max Power Dual 4 Ohm Car Subwoofer

Skar Audio DDX-15 D2 15" 1500 Watt Max Power Dual 2 Ohm Car Subwoofer

Planet Audio PL3000.1D Class D Car Amplifier - 3000 Watts, 1 Ohm Stable, Digital, Monoblock, Mosfet Power Supply, Great for Subwoofers