Anonymous posted an answer for this Groups RECHARGEABLE WIRELESS SOUND SYSTEM FOR LARGE 40W AMP 8 SPEAKER Apollo Microphone:
"I have the same problem. I did take the amplifier apart and found that the battery is down..."
Anonymous posted an answer for this Apollo Boone PA5400 Professional Microphone:
"First, the battery is a Lenmar PBA50 found on ebay. Second, place the amplifer onyour lap..."
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