Rent Alto ts212s subwoofer in London (rent for £20.00 / day, £12.86 / week)
Alto Ts212 sub and a Pair of Alto Troupers outdoor sound test (Use Headphones) - YouTube
REAL NOISE Sounds - ALTO TRUESONIC TS310 / TS212S SUBWOOFER ACTIVE PA SYSTEM, 6500W R15 000 ($1500 USD) Incl Free Delivery With two 15″ tops and two 18″ subwoofers this system packs
Alto TS212S Truesonic 12'' 1250 Watt Active Subwoofer | Reverb
Alto Professional - LEGACY SPEAKERS Series > TS212WH
Alto TS212 Sub Truesonic 2 Series | 1250-WATT 12" Powered Subwoofer | Reverb
Alto Professional Truesonic 2 TS212 12-Inch 2-Way Powered Speaker | PSSL ProSound and Stage Lighting