Pro Audio, Lighting and Video Systems JBL Pro PRX418S 18" 1600-Watts Passive PA Subwoofer
CARME-212S | Dual 12" 1600W Passive PA DJ Folded Horn Subwoofer for Lounge, Bar, Church – Sound Town
Proel S18P 18" Passive PA Subwoofer at Gear4music
K1-SB Dual 15 Inch Outdoor Passive Pa Subwoofer Speaker for Stadium - Buy K1-SB subwoofer, subwoofer speaker, 15 in subwoofer speaker Product on Sanway Professional Audio Equipment Co., Ltd.
Omnitronic AZX-112 12" Passive PA Subwoofer at Gear4music
CARME-212S | CARME Series Dual 12" 1600W Passive PA DJ Subwoofer with Folded Horn Design, Black, for Lounge, Club, Bar, Theater, Restaurant, Church | Reverb
Adding a Subwoofer to Your PA
JBL JRX218S 18 inch Passive Subwoofer | Sweetwater
Cerwin Vega INT118SV2 18 in Passive PA Subwoofer | PSSL ProSound and Stage Lighting
Sound Town CARME Dual 8" 800W Passive PA Subwoofer with Folded Horn (CARME-208S) | eBay
JBL PRX418S Passive, Unpowered PA Subwoofer Speaker (1600 Watts, 1x18")
Peavey QW 218 Dual 18 in Passive PA Subwoofer | PSSL ProSound and Stage Lighting
Pro audio 150W 4" bass Subwoofer 2 way full-range passive speaker with crossover DJ/PA System Karaoke sets Bocina Parlante - AliExpress