Amazon.com: Custom Ported/Vented Sub Box Subwoofer Enclosure for a 15" Memphis MOJO MOJO6 Subwoofer - 4.0 CF - 35HZ - Big 6" AEROPORT : Electronics
Celestion RNAB000GH9GHK celestion ftr15-4080f, 15" cast chassis pa speaker
15 Inch Subwoofer Bass Cabinet - 300 Watts RMS | 15 Inch Sub Cab | 15 Inch sub woofer | 15 sub | Passive 15 Inch Sub woofer – Seismic Audio
GSG Audio Design - Home of MartySubs by GSG(TM)
QE 003 Professional Audio 12 15 Inch Line Array Speaker Chassis with 18inch Subwoofer Easy Installed Professional Holder Hanger|Outdoor Speakers| - AliExpress
MS 15 C 262 L | Speaker Chassis | DIY Speakers | Adam Hall Shop