5 Core 8" Full Range Subwoofer Car Audio Speakers, RMS 40W Peak 400W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide Range DIY Loudspeaker Woofer Replacement Black SP 872 B - Walmart.com
Amazon.com: 5 CORE 4 inch Woofer Driver 40W Max 20W RMS Power 4Ohm Replacement Full Range Speaker Audio Stereo Dual Cone Concept for Extra Clear Sound Made in India WF472DC 1 Pair : Electronics
Dayton Audio SIG120-4 4” Signature Series Extended Range 40W Driver 4 Ohm
6.5 Inch Subwoofer Speaker 4 Ohm 40W Woofer Sound Audio Speaker Hifi Music Home Theater Louderspeaker Driver 1Pcs - Newegg.com
Buy Wholesale China Party Speaker 40w Bluetooth Speaker Wireless Outdoor Super Bass Karaoke Speaker Subwoofer With Mic Tws 8 Inch Zqs8223 & Party Speakers at USD 32.9 | Global Sources
1x 4.5" in 4Ohm 40W Super Bass Driver Audio Speaker Stereo Subwoofer Loudspeaker | eBay
Amazon.com: 2PCS 40W 4Ohm 8Ohm Woofers Speakers 4 Inch HiFi Deep Bass Subwoofer Speaker 4 Layer Voice Coil Loudspeaker Car Subwoofer DIY (Color : 8Ohm) : Everything Else
1x 4.5" in 4Ohm 40W Super Bass Driver Audio Speaker Stereo Subwoofer Loudspeaker | eBay
ION Audio Uber Boom 40W Portable Bluetooth All-Weather Wireless Speaker with Multi-Colored LED Lights and Built-In Microphone Black UBERBOOMXUS - Best Buy
KLH Audio System Black Powered Subwoofer Bassbite V Speaker 40W | Reverb
40W TWS Outdoor Waterproof Portable Speakers High Power Bluetooth Speaker Wireless Sound Column Subwoofer Music Center 3D Stereo - Walmart.com
4 Inch 40W-100W Subwoofer Speaker 4Ω 8Ω High Power Long-Stroke 2Way Divider Bass | eBay