Up 4S
Two-way passive, full-range, low profile 4” ceiling speaker
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Two-way passive, full-range, low profile 4” ceiling speaker
Full-range, open-backed, 4” ceiling speaker
Full range, 3” ceiling speaker
Ceiling loudspeakers
Loudspeakers Home Loudspeakers Optimal Audio offers a range of on wall, ceiling and subwoofer loudspeakers for a full complement of commercial applications. Designed by world-class
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