Hi-Fi Speakers

KJST Portable Speakers Voice Amplifier Portable Speaker Portable Voice Amplifier Loudspeaker Mini Audio Speaker, Rechargeable Ultra-Light Speaker With Microphone, Suitable For Teachers The voice amplifier is a multifunctional portable speaker with sound amplification and digital music playback functions. Imported high-power power amplifier chip and advanced non-fidelity power amplifier master control. Using high-power speakers,... KJST Portable Speakers Voice Amplifier Portable Speaker Portable Voice Amplifier Loudspeaker Mini Audio Speaker, Rechargeable Ultra-Light Speaker With Microphone, Suitable For Teachers