K3 Wireless Loudspeaker Voice Amplifier
Overview Rechargeable Portable Loudspeaker K3 Wireless …
显示 25-32 个结果（共 32 个结果）
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Portable 2.4G Wireless Headset Microphone for Classroom Training
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Product Name: 2.4G Wireless Headworn Microphone
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Available Colors: Black, White
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Wireless Technology: 2.4G GFSK Digital Frequency-Hopping Technology
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Modulation Mode: π/4 DQPSK
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Frequency Range: 2400-2483MHz
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Transmission Distance: 20 – 50 Meters (Depending on the environment)
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Power Supply: Built-in 120mAh Polymer Battery
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Battery Life: Approx. 6 – 8 Hours
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Auto Power-Saving: Automatically shuts down after 45 minutes of no amplification
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Key Functions: Volume Adjustment, Anti-Crosstalk, Auto Pairing, Auto Power-Off
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Main Application: E-teaching systems, classroom amplification, public speaking, tour guides
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Portable Wireless Voice Amplifier with Lavalier Microphone
1. Transmission range: Bluetooth 10 meters
2. Rated output power: 5 W
3. Peak power: 10 W
4. Frequency response: 100 Hz–12 kHz
5. Speaker impedance: 2.5-inch, 4Ω, 5 W
6. Amplifier battery capacity: 18650, 2000 mAh
7. Amplifier charging time: DC 5V, 3 hours
8. Wireless lavalier microphone battery capacity: 180 mAh
9. Wireless lavalier microphone charging time: DC 5V, 2 hours -
Professional USB Computer Microphone for PC
Overview USB gaming and live streaming computer microph…
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Voice Amplifier PA Speaker System with Wireless Headset Microphone
1. Transmission range: Bluetooth 10 meters
2. Rated output power: 5 W
3. Peak power: 10 W
4. Frequency response: 100 Hz–12 kHz
5. Speaker impedance: 2.5-inch, 4Ω, 5 W
6. Amplifier battery capacity: 18650, 2000 mAh
7. Amplifier charging time: DC 5V, 3 hours
8. Wireless lavalier microphone battery capacity: 180 mAh
9. Wireless lavalier microphone charging time: DC 5V, 2 hours -
Voice Amplifier Speaker Wired Headset Microphone
1. Transmission range: Bluetooth 10 meters
2. Rated output power: 5 W
3. Peak power: 10 W
4. Frequency response: 100 Hz–12 kHz
5. Speaker impedance: 2.5-inch, 4Ω, 5 W
6. Amplifier battery capacity: 18650, 2000 mAh
7. Amplifier charging time: DC 5V, 3 hours
8. Wireless lavalier microphone battery capacity: 180 mAh
9. Wireless lavalier microphone charging time: DC 5V, 2 hours -
Wireless Voice Amplifier Speaker with 2.4G Headset Microphone
1. Transmission range: Bluetooth 10 meters
2. Rated output power: 5 W
3. Peak power: 10 W
4. Frequency response: 100 Hz–12 kHz
5. Speaker impedance: 2.5-inch, 4Ω, 5 W
6. Amplifier battery capacity: 18650, 2000 mAh
7. Amplifier charging time: DC 5V, 3 hours
8. Wireless lavalier microphone battery capacity: 180 mAh
9. Wireless lavalier microphone charging time: DC 5V, 2 hours -
Wireless Voice Amplifier with 2.4g Lavalier Microphone
Overview Portable Wireless Voice Amplifier with Lavalie…