SHIDU 10W Перезаряжаемый голосовой усилитель Портативный профессор Проводной микрофон Мини аудио Натуральная стерео-колонка Для учителя S258 on.

SHIDU 10W Перезаряжаемый голосовой усилитель Портативный профессор Проводной микрофон Мини аудио Натуральная стерео-колонка Для учителя S258 on.

SHIDU 10W Rechargeable Voice Amplifier Portable Professors Wired Microphone Mini Audio Natural Stereo Speaker For Teacher S258

Note: Before turn on the amplifier, ensure that the MIC don't point at the amplifier, this will eliminate any annoyance associated with howling. For ensure better amplification, aim at the headset MIC capsule when speaking, and keep the distance between the voice amplifier and the MIC more than 60 cm to avoid howling. Simply tucking the speaker around waist, and mounting headphone over head can help achieve the required distance. Specifications: Max output power: 10W Output Impedance: 4Ω Charging voltage: DC 5V 500mA Music-play time: 6-10 hours Frequency response: 90Hz-18KHz Work temperature: -10℃-45℃ Amplify time: 8-12 hours Charging time: 3-5 hours Main Features: 1. Patented appearance; 2. Stylish, ergonomic and comfortable design; 3. Power double magnetic trumpet --- more clear and penetrating; 4. 10W power output, sound coverage up to 800㎡; 5. Adopt Acoustic amplification electroacoustic system; 6. Equipped with special acoustic microphone --- Hi Fi original sound amplification; 7. Super MP3 audio encoding technology --- support TF card & U flash disk. Standard Package: 1 main machine 1 waistband 1 wired microphone 1 charging cable 1 user manual

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