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Amazon.com: PowerSource 19V 65W UL Listed 13Ft Extra Long AC Adapter for JBL Xtreme, Xtreme 2, Xtreme Portable, Extreme, Extreme 2, JBL Boombox 1 2, Wireless Bluetooth Boost TV Speaker Charger Power Cord : Electronics
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Quick question, what is the "service" port exactly used for on the JBL XTREME series, and Boombox series? : r/JBL
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