L-Acoustics Sub Series System w/ (12x) KS28 Sub, & (1x) LA-RAK-II-AVB Touring Rack – PSSL ProSound and Stage Lighting
Ks28 Dual 18 Inch Professional Subwoofer Speaker, Weather-Resistant Low Frequency Bass, Large Format Systems, High Power Stage Loundspeaker - China Sanway Ks28 Subwoofer Speaker and Large Stage Audio Speaker price | Made-in-China.com
L-Acoustics KS28-CHARIOTCOV Protective cover for 3 or 4 x KS28 on KS28-CHARIOT | Jands