1,Professional manufacturer and exporter of amplifier 2,With ROHS,ISO,CE certificates 3,Good quality,several color to order   Specifications: Material:Engineering ABS plasticOutput Power: 15-20W MAXFrequency Response:100HZ-13000HZCurrent Consumption:150mAInput...

1,with ROHS,CE,ISO certificate 2,the leader of amplifier and speaker Whether you're a teacher, lecturer, exercise instructor or presenter, make sure you get your message across loud and clear with this handy waist band amplifier. With no leads or cords attaching you to one point,...

1,with ROHS,CE,ISO certificate 2,the leader of amplifier and speaker Whether you're a teacher, lecturer, exercise instructor or presenter, make sure you get your message across loud and clear with this handy waist band amplifier. With no leads or cords attaching you to one point,...

1,good supplier with CE,ROHS,ISO certificate,etc 2,used for teaching,reference,toursim,etc 3,several colors to selection   Specifications: This Portable Voice Amplifier is with headset,speak loudlyWith good speaker inside, so making more super clear quality and...

1,with CE,ROHS,ISO etc 2,professional amplifier,with USB,TF,MPS input 3,several colors to selection:pink,black,red,white,etc. Specifications: Output Power: 20W  Frequency Response: 100HZ ~ 13,000 HZ + 1db Consumption Current: 150mA Voltage: DC 7.5, li-ion battery Battery...

1,good supplier with CE,ROHS,ISO certificate,etc 2,used for teaching,reference,toursim,etc 3,several colors to selection   Specifications: This Portable Voice Amplifier is with headset,speak loudlyWith good speaker inside, so making more super clear quality and...