AKERMR-1502 Portable Waistband Voice Booster PA Amplifier SystemIf you're a teacher, presenter, coach, salesman or instructor and need a boost in sound coverage or vocal clarity but want the freedom to move around, indoors or out, this personal, mini PA is the perfect solution! Introduction:Color: BlackOutput power: RMS10W(maximum)Frequency response: 100HZ 13000HZ±1dbCurrent consumption: 150mA(minimum)Input signal: cable microphone (-20dB 600)The use of voltage: DC 7.5, lithium batteriesMaterial: ABS resin moldingSize: 85mm*85mm*40mmWeight: 300 gi.e. 0.66 lbsSpeaker sensitivity: -53dBV/Pa±3dBPackage Contents:· Voice amplifier with Built-in Lithium Rechargeable Batteries.· Microphone with headset· Male to Male 3.5mm audio patch cable· Battery charging power adapter cable· Adjustable waist belt.· Convenient storage bagSparkle points:· Usage time of 6-8 hours when fully charged.· Long battery life.· Large battery capacity: 1200mAh· Loud and clear sound.· Easy to use.· Made of high impact strength ABS Plastic.· Two input ports, one for a microphone and one for sound input from devices like a MP3 player. Both input ports can be used at the same time.NOTE:AKER waistband voice booster pa amplifier is very popular in Asia, which is the leading product of Fenghua Hengshun Electronics Co., Ltd. The amplifiers are sold pretty well in China and Korea with its high-quality and reasonable price. I am the export manager of the company. If you want to be an agent of our company, or wanna buy them in wholesale, please feel free to contact me. Thank you very much. Ningbo,Zhejiang,ChinaTeachers ,Professors,InstructorsAKER1503,AKER1504,AKER1506,AKER1507AKER1508 AKER2300Coaches, Salesman,PresentersAKER1505,AKER1502,AKER1601,AKER1508AKER2300Guides, othersAKER1505,AKER1506,AKER1507,AKER1508The battery capacity of AKER1505 is 1800mAh, and the power is 12w,which can be used up to 15-18hours once charged, so it is best for out!The AKER1506&1507 are really small and the weight is only 190g.Its mini size and bright color will catch other peoples attention !The main difference between AKER1502 and AKER1601 is the belt clip, the latter has a belt clip!The AKER2300 is a new model, with 1800mAh battery,16Watts out-power. Highly recommend!The products in the tabulation above are just recommendation, in fact every item can suit different demands! They are waiting for you!