The HY-PF7W is used exclusively to suspend the HX-7W speaker system from the ceiling. The FB-150W Subwoofer can be suspended using this frame and the frame's supplied mounting brackets.
The SR-TB4WP is designed to be used to mount the Line Array Speaker system SR-S4LWP or SR-S4SWP on a wall. The downward angle can be set to either 0゜ or 5゜, and the horizontal angle to up to...