5Core Portable Rechargeable School Teacher Classroom PA Speaker 6.5 inch System 5C-APS

✔️Function Parameters

✔️Using way Hand, neck, desktop

✔️Frequency response range 2300～2490MHz

✔️Current consumption 28mA

✔️Power supply voltage 3.3V~5V

✔️The number of channels 80

✔️Modulation GFSK、BT=0.5Gaussian

✔️ The sampling frequency ＞48K

✔️ Transmit power 15dBm

✔️ The input impedance 1OK Ohm

✔️ Input level 2.8Vp-p(Max)

✔️ Life time About 4 hours

✔️ Audio delay <12ms

✔️Frequency response 40～18KHz

✔️Dynamic range @1kHz 81dB

✔️The degree of separation @1kHz 90dB

✔️Working temperature -35℃~60℃

✔️Charger Input180~240V,50~60Hz output：DC5V，400mA Standard USB Interface

✔️The degree of separation 63.6mm*23.8mm*20.2mm

USP:

✔️ Lapel Microphone provided for the lecturers and speakers

✔️ Teaching System works within the range of 20m-25m in a closed classroom auditoriums etc.

✔️ Lapel Microphone is rechargeable

✔️ Separate volume controller in lapel microphone