MINI Rechargeable Portable Amplifier For Teacher With Wired Microphone Voice Amplifier

Product Overview

Description

Speaker unit: 3.5 "3 Ω 5W full paper cap Φ 55 external magnetism
Sex to noise ratio: ≥ 75dB
suitable
Device: DC9V 400mAh Two pin flat plug DC head Φ 5.5 * 2.1mm L=1.2m lithium battery2000mAh/rechargeable, with 2P2.54 22 # red and black electronic wire L=80mm series short wire L=35mm
Features: wireless amplification, external sound input, recording, Bluetooth, radio, TF card, USB playback, with external speakers