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Loud Voice Booster Amplifier Speaker Microphone for Teacher Tour Guide US Plug
Type AFeatures:This is a voice amplifier, supports automatic search and playing. This loudspeaker system is suitable for outdoor and other places. Stylish, portable design. The sound is loud and clear. Compatible with USB 1.1/2.0 playing. Support card reader, compatible with secure digital memory card/TF card. Support MP3: mpeg1, 2, 2.5 layer 3, bit * 16kbps-320kbps. It can also be used as MP3 speakers. The amplifier has microphone input and MP3 input. Support Multifunctional product with USB/TF interface for playing flash and TF memory cards. When the amplifier plays an audio file, you can still speak through the microphone. It also has an FM function, so people can listen to the radio. With adjustable strap. Suitable for you to use.
Specification:
Material: Plastic
Color: as picture shown
Maximum output power: 25W
Frequency Response: 50HZ-10KHZ
Plug: US
External power supply: DC 5V 500mA
Working time: 6-8H
Size: approx. 10x9x4cm/3.9×3.5×1.6inch
Power output: 7.4V 350mA
Frequency Response: 100Hz-10kHz3dB
Charger plug: 2 pin US plug (100-240V, 50-60Hz)
Support 3 modes: USB/TF card/FM
Package List:
1 x Voice Amplifier
1 x Wire Headset/Microphone
1 x AC Adapter/Charger (2 pin US plug, 100-240V, 50-60Hz)
1 x Data Line
1 x Adjustable Belt
Type BFeatures:The digital chip transmission delay is less than 1 millisecond, with automatic frequency identification anti-interference ability, transmission signal is more reliable, more stable, with sound clear. Automatic scanning and pairing makes it easier to use. Standard 3.5 to 6.35 audio converter, widely used in a variety of speakers and audio equipment. The chip has low power indicating and low power shutdown function. Adopting digital circuit processing technology, the signal-to-noise ratio is higher. High strength ABS structure, beautiful and practical.
Specification:
Material: Plastic
Color: as picture shown
Audio signal: automatic pairing
Audio tone: 20-20KHZ
Transmission mode: UHF wireless transmission
Power supply: battery/lithium battery
Current consumption: 0DBM current <35MA
Size: approx. 12x12cm/4.7×4.7inch (height*width)
External power supply: DC 5V 500mA
Working voltage: 3.7V 1200MAh (lithium battery)
Plug: US
Charger plug: 110-240V, 50-60Hz
Package List:
1 x Microphone
1 x 18650 Lithium Battery
1 x Adapter
1 x Data Line
1 x Transmitter
Type CFeatures:This is a voice amplifier, supports automatic search and playing. This loudspeaker system is suitable for outdoor and other places. Stylish, portable design. The sound is loud and clear. Automatic search FM, whether indoors or outdoors, you can hear your favorite radio station at any time. Support USB/secure digital memory card card playback. Plug and play, support MP3/WMA/WAV format.
Specification:
Material: Plastic ABS
Color: as picture shown
Size: approx. 15x13x7cm/5.9×5.1×2.8inch (length*width*thickness)
Frequency response range: 80hz-100k (Hz)
Distortion rate: 5 (%)
Output power: 68 (W)
Type: wireless
Rated voltage range of 3C: DC 36V and below
Use distance: indoor more than 30 meters and outdoor up to 50 meters
Charging voltage: DC 10V
Use time: 8-10 hours
Horn size: 5 inch full price
Radio frequency: 90hz-18khz
Battery capacity: 4800MA
Charger plug: 2-pin US plug (100-240V, 50-60Hz)
Remote control: button battery CR2025 (not included)
Plug: US
External power supply: DC 5V 500mA
Charger voltage: 7.4V 3600MA
Package List:
1 x Voice Amplifier
1 x AC Adapter/Charger (2 pin US plug, 100-240V, 50-60Hz)
1 x Data Line
1 x Microphone
1 x Remote Controller
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On 20-Aug-19 at 07:48:14 BST, seller added the following information:
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Category: Musical Instruments:Pro Audio Equipment:Other Pro Audio Equipment
Location: Hongkong