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Thank you for your inquiry. Our JBL PartyBox 110 Portable Party Speaker doesn't have an equalizer built-in. The echo setting can't be adjusted. If you need more help, please contact our customer support at (877) 871-6755 Mon-Fri: 9:00 am-11:00 pm (EST) Eastern Time Sat-Sun: 9:00 am-5:00 pm (EST) Eastern Time
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