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teacher voice amplifier,megaphones,digital voice amplifier

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Unit Price: negotiate face to face
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Delivery: Shipment within 3 days since the date of payment
Address: China(Mainland)
Valid until: Never Expire
Updated on: 2014-03-11 19:09
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material:taiwan chimei 757 ABS battery up time:over 8H size:77*73*33MM MP3 available N/W:165G Max effective distance:400㎡ OEM available IC max power output:RMS10W loudspeaker output:3-5W frequency response:150HZ-10,000HZ+-1DB current consumption:150mA input signal:wire mic.(-20DB 600) voltage:DC 7.4V internal lithium battery:battery pack,Seiko IC chip,Dual Protection

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