A&B Music Shop - JBL Control Contractor 20 Series Surface-Mount Speakers. JBL Control Contractor 20 Series surface-mount speakers and subwoofers deliver full, rich sound; deep bass extension; high SPL output; and wide,
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AV Solutions: JBL Control Contractor 23/25/28 On-Wall Speakers Overview + Specs | Sound Technology - YouTube
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JBL Professional Control 28-1L 8" 2-Way High Output 8-Ohm Speaker with Weather Resistant Enclosure, Pair, Black
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Amazon.com: JBL Professional Control 24CT 4-Inch Background/ForegroundCeiling Speaker, Black, Sold as Pair : Electronics
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Amazon.com: JBL Control 23 Black - Pair of Ultra Compact Indoor / Outdoor Speaker System : Electronics
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