Abstract: The E8W (Lavalier Version) Wireless Voice Amplifier is a powerful, portable device ideal for teaching, guiding, training, and promotions. It features a compact lavalier mic that pairs automatically for easy use. Utilizing 2.4G wireless technology, it ensures stable transmission with a range of about 10 meters. The amplifier boasts a 25W output with high-quality sound and includes music playback capabilities, supporting wireless streaming as well as audio files from USB and TF cards.