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Portable Wireless Amplifier for tour guides, teachers, presenters. UHF wireless transmission technology, the high resistance against interference, the transmission range of more than 40 m in the open space. Frequency modulation, channel 40; Several amplifiers can be used simultaneously. Convenient nagolovnym wireless microphone intended for extended wear. wireless playback feature to play audio files on your mobile phone, PC, tablet, etc. Support TF-card, play music in MP3 or WAV format. Audio Recording and preserving WAV format. FM-radio function, automatic station search and save them; You can save more than 50 channels. Lithium-ion battery provides high capacity time over 10 hours. Specifications: Amplifier • Frequency: 80 Hz-12 kHz • Peak power: 10 W • Speaker impedance: 4Ω • frequency UHF: 630-890 MHz (frequency band) • Operating Range UHF: outdoor playground 40m • Media playback: TF card maximum 64G • Media format: MP3, WAV • Battery Type: Li-ion battery • Battery Specification: 3.7 V / 2000 mAh • Charging: USB 5 V / 600 mA • Charging time: about 4 hours • Working time: more than 10 hours • Standby time: 20 hours • Net Weight: approximately 200 g • Size: 113 * 84 * 44 mm headset microphone • Cartridge: Rear electret cartridge • Polar pattern: Unidirectional • Frequency Response: 60 Hz to 16 kHz • Sensitivity: -51 ~ -54 dB (0dB = 1 / Pa / m at 1 kHz) • frequency UHF: 630-890 MHz (frequency band) • Operating Range UHF: outdoor playground 40m • Battery Type: Li-ion battery • Battery capacity: 3.7 V / 400 mAh • Charging: USB 5 V / 100 mA • Charging time: about 4 hours • Operating time: 6 hours • Net weight: about 39 g
Amplifier • Frequency Response: 80Hz-12kHz • Peak Power: 10W • Speaker Impedance: 4Ω • UHF Frequency: 630MHz-890MHz(frequency band) • UHF Operation Range: open area 40m • Media Playing: TF card, max 64G • Media Format: MP3, WAV • Battery Type: Li-ion battery • Battery Specification: 3.7V 2500mAh • Charging: USB 5V 1000mA • Charging Time: approximate 2.5h • Operation Time: around 13h • Net Weight: approximate 200g • Dimension: 113*84*44mm Headworn Microphone • Cartridge: back electret • Polar Pattern: unidirectional • Frequency Response: 60Hz-16kHz • Sensitivity: -51 to -54dB (0db=1V/Pa/m at 1kHz) • UHF Frequency: 630MHz-890MHz(frequency band) • UHF Operation Range: open area 40m • Battery Type: Li-ion battery • Battery Capacity: 3.7V 400mAh • Charging: USB 5V 200mA • Charging Time: approximate 2.5h • Operation Time: approximate 5h • Net Weight: approximate 39g