• Multifunction portable voice amplifier with refreshed stylish look.
• Digital amplification tech with 10W peak power output.
• Rare-earth speaker delivering clear, loud, and authentic audio.
• Wireless playback of music from smartphones/computers/tablets.
• USB playback of audio files like MP3 files stored on your flash drive.
• Built-in 2,000mAh lithium-ion battery for extended battery life.
• MCU-controlled charging management with overcharge protection.
• Type-C charging port for convenient and efficient charging.
• Teaching, tour guiding, training, and promotions.
Voice Amplifier • Frequency Response: 80Hz-12kHz • Rated Power: 5W • Peak Power: 10W • Speaker Impedance: 4Ω • Operating Voltage: DC 3.7V-4.2V • Battery Spec: 18650 3.7V=2000mAh • Charging Spec: 5V 1A • Charging Port: USB-C • Charging Time: Approx. 2-3h • Battery Life: Approx. 15h • Wireless Connection: V5.4 • Dimensions: 107mm*94mm*36mm • Weight: Approx. 190g Headset Microphone • Transducer: Back Electret Condenser • Po lar Pattern: Unidirec tional • Frequency Respo nse: 60Hz-16 k Hz • Sensitivity: -50dB ±3dB(0dB=1V/Pa, at 1kHz) Note: The above data are measured by Takstar laboratory which has the final interpretation right!
| • Voice Amplifier | 1 PC |
| • Wired Headset Microphone | 1 PC |
| • Type-C Charging Cable | 1 PC |
| • Shoulder Strap | 1 PC |
| • User Manual | 1 PC |
User manualE140 Voice Amplifier User Manual2025-07-21 17:19:41Download