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Amazon.com: (2-Pack) Audio 555-7120 10W Speaker Line Matching Transformer 70V / 25V taps - : Electronics
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Amazon.com: JBL Professional Control 26CT 6.5-Inch Ceiling Loudspeaker Transducer Assemblies, With Transformer Taps, Sold as Pair, White : Everything Else
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PYLE PDICS8 - 8.0'' Inch In-Wall / Ceiling Speaker with 100V Transformer Tap (for Commercial PA Intercom System) (200 Watt) - Walmart.com
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JBL CSS8008 - S/M, CSS8008 8", 5w 8" Commercial Series Ceiling Speaker. 96 dB sens, 5W multi-tap for 100V/70V 25V, pre-assembled with driver/grille/ transformer, 120 deg coverage; punched metal grille, compatible with CSS-BB8
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JBL Control 28-1 8" 2-Way Indoor/Outdoor Install Speaker With 8 Ohm Setting And 70/100V Multi-Tap Transformer | Full Compass Systems
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