For extra low-frequency extension and enhancement, the dual 12 inch powered KSub is perfectly matched to the rest of the K Series. The K8, K10 and K12 all have a selectable high-pass filter for use with the subwoofer. The KSub includes a fixed low-pass filter so it will accept full-range input. Constructed of premium birch, the QSC KSub includes high-quality, low-noise casters and a threaded...
ANN-515 Passive Sub-Woofer Speaker, Metallic Silver Finish. 2 Front Air Port Tubes Damping Foam Assembled Inside 1 Pair 5 Ways Speaker Jacks Freq. Resp.: 23Hz ~ 500Hz Sensitive: 90 dB Resistance: 6.5 ohm Handling Power: Analog Min.100W/Max. 300Watts, Digital 500Watts. Weight: 37 lbs Dia.: 18.5"(H)x 15"(W)x 18.5"(D)