Monolith by Monoprice MTM-100 100 Watt Bluetooth aptX HD Powered Desktop Speakers with Optical and USB Inputs, Subwoofer Output - Monoprice.com
Celestion TF0615MR 6" Pro Midrange Closed Sealed Back Speaker 100W Woofer 8-Ohms
WP16 Woofer PP Foam Hi-Fi 16cm/100W | FENTON
WP16 Woofer PP Foam Hi-Fi 16cm/100W | FENTON
Amazon.com: BESTISAN 100-Watt Powered Subwoofer - 8 Inch Speaker, Massive Output, Low Distortion, for Studio and Home Theater Systems SW80 : Electronics