The EVID C8.2HC is a two-way, pattern-control, ceiling speaker system ideal for high-ceiling, reverberant, "problem" rooms. Its exclusive, ported, waveguide-coupled,A eight-inch driver provides excellent intelligibility and definition. The 8.2HC's patent-pending design provides great coverage control throughout the vocal range and above. No other speaker system provides this combination of excellent pattern control, wide bandwidth, high-power handling, and compact design.