JBL 4645 Professional Series 18" Subwoofer - Perfect for JBL 4343 Spea
Amazon.com: JBL SUBBP12AM - 450 Watts (150W RMS) 12” Amplified 12 in. Ported Subwoofer with Sub Level Control and Distortion Free Bass with Gravity Magnet Phone Holder Bundle : Electronics
JBL Stage 1220B 1000W Dual 12" Subwoofer Enclosure | Best Jeep Wrangler JK 4 Door Subwoofer Box
JBL CS1214 1000-watt, 12" Car Audio Subwoofer, Black - Walmart.com
Rent JBL 9.1 Soundbar & Subwoofer from $24.90 per month