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...
The GRS 15PR-8 speaker is the best choice you can make if you need to replace a worn out, blown 15" woofer.
GRS 10PF-8 10" paper cone woofers are ideal replacement speakers for use in sealed-box loudspeaker systems in almost any application.