2.4G 15W Wired/Wireless Voice Amplifier Portable For Teaching Lecture Tour Guide TF UDisk Megaphone Microphone Speaker ,Powerful Voice Amplifier

<p>2.4G 15W Wired/Wireless Voice Amplifier Portable For Teaching Lecture Tour Guide TF UDisk Megaphone Microphone Speaker</p><p></p><p>Products Description</p><p>Power:15W</p><p>Charging input: 5v-2a</p><p>Horn: 2.5-inch full frequency</p><p>Battery: 3.7V 2000mA</p><p>Frequency response: 150hz-20khz</p><p>Signal to noise ratio: 75db</p><p>Use PA time:24-30 hours</p><p>Receiving distance:</p><p>more than 10 meters</p><p>Built-in Microphone:Yes</p><p>Items No. &amp; Name</p><p>Voice Amplifier</p><p>Battery</p><p>Built in Rechargeable Lithiumion battery 37V/1200-2000mAh (Voice Amplifier)</p><p>Charging Voltage</p><p>direct current 5V, 1000mA</p><p>Supports MP3 audio playing</p><p>TF card&amp;USB flash drive</p><p>Frequency response</p><p>150Hz20KHz</p><p>Working time</p><p>610 hours (musical mode),8~12 hours (MIC mode)</p><p>Output</p><p>10W power output, sound coverage up to 400 quare meter</p><p>Related Products:voice amplifier,voice amplifier for teachers,voice amplifier wireless microphone,amplificador de voz,portable voice amplifier,wireless voice amplifier,microphone headset for speaking,sound amplifier listening device,mini voice amplifier</p>

• 15W power of sound amplification, to meet the needs of indoor venues with 200 people, outdoor venues with 100 people. What' more, it can still sound amplifying when playing music or U-disk.
• Small appearance, but the volume is higher than that of mainstream loudspeakers. The digital intellint chip built into the microphone can jud and reduce noise intellintly through different decibels
• Sound amplification built-in recharable 2400mAh battery, long lasting sound amplification time up to 12hrs. Able to playing music up to 8hrs. 50m transmit distance, no need to grasp the Amplifier along with.
• More practical functions, enrich your work and life. Support speaker function via Aux wire, one key recording (please insert TF card first) and play music via BT function, FM Radio. And support single loop and full loop during playing music.
• Widely used in teaching, training, tour guide, conference, promotion and other occasions. Comes with lanyard which can hang on the wrist or shoulder, free your hands.