Gemini Sound Active 15" loudspeaker, 2000W Peak, 350W + 50W RMS, 8 ohms w/ 33 oz magnet, ¼”, XLR, RCA, AUX, Bluetooth, USB, SD, FM radio with LED Party Lights around woofer - Bill's Music
Amazon.com: 4.5 Inch Megabass Audio Speaker 50W 4Ohm Car Subwoofer Long Stroke Deep Bass Loudspeaker DIY Home Theater Woofers for Speakers (Size : 1 Piece) : Everything Else
5.25 Inch Subwoofer Speaker Home Theater Car Audio Bass Fever Woofer 4 Ohm 50W High Power Hifi Sound Loudspeaker - Newegg.com
5 CORE 8" Full Range Subwoofer Car Audio Speakers, RMS 50W Peak 500W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement WF 890 DBL - Walmart.com
1Pcs 3 Inch Woofer Speaker Fiberglass High-stroke Power HiFi Home Theater Bass Speaker 4 Ohm 50W Loudspeaker - Newegg.com
Ceramic Cap 4 Inch 116mm Subwoofer Speaker Unit 50w Black Diamond Alumina Cap Woofer Loudspeaker Desktop Deep Bass New 4ohm 1pcs - Speakers - AliExpress
2Pcs 4 inch 50W Subwoofer Audio Speaker – NxtSounds
4pcs Celestion TF0615 6" Pro Midrange Speaker 50W Raw Frame Woofer 8-Ohm NEW - VIP Pro Audio
Yamaha KS-SW100 50W 8 inch Keyboard Subwoofer | Sweetwater
Amazon.com: Facmogu 2PCS 5in Full Range Speaker Drivers, RMS 30W MAX 50W 4 Ohm, HiFi Wide Range Audio Driver Loudspeaker Replacements, DIY Car Vehicle Audio Speakers Bass Woofer Tweeters - Red : Electronics
Fostex PM-SUBmini 50W 5" Active Subwoofer PM-SUB-MINI-2 B&H
Dynaudio LYD-8B Nearfield Monitor With 8" Woofer, 50W + 80W (black) | Full Compass Systems