GOPRO is an ultra-compact wireless microphone system that has a multi-function and incredible compact shape factor. The transmitter has a built-in comprehensive universal capacitance capsule that can be used as a microphone or camera in a clip, and a more clear audio to the camera receiver through 2.4GHz digital transmission to the on-camera receiver. It’s the perfect wireless mic solution for content creators in all disciplines: filmmakers, on-camera presenters, newsgatherers, vloggers and more. Key features: Transmitter operates as a clip-on microphone or beltpack for a lavalier/headset microphone. Ultra-compact form-factor – transmitter and receiver weigh a minuscule 31g each. Series D 2.4GHz digital wireless transmission with encryption delivers crystal-clear audio under any conditions and excels in dense Wi-Fi and Bluetooth environments (shopping malls, conventions, hotels etc).In an environment with little signal interference and no barriers ，Up to 100m range (line-of-sight), optimised for short-range operation in congested RF environments.In-built rechargeable batteries that last up to 7 hours, charged via USB-C.Super easy to use – transmitter and receiver auto-pair in under three seconds.3-stage output pad (0dB, -12dB and -24dB) and battery saver mode.Use up to eight systems in one location.

he UBR-102 is our best-selling 2-channel UHF wireless microphone system that can be equipped with handheld/headset/lavalier microphones. Its performance is stable, the appearance is simple and elegant, the signal transmission is stable, and the sound is clear. AU-400 is ideal for family karaoke, conference presentations, small banquet parties, and is an excellent product for wireless microphone systems used by many people.

KV04 is a low-cost VHF wireless microphone system with 4-channel signal transmitter and receiver, and the signal range can reach 50-80 meters (open environment). KV04 is used for family or small party, meeting use, the sound of the microphone chip is clear, and the signal transmission is stable.

Transmitter technical specifications 1: Frequency range 520.30~579.30MHz 2: The number of channels A and B is 30 each (conservative value). Each time they are paired, the ID code changes randomly, within the frequency range set by the manufacturer. 3: Oscillation mode DSP chip frequency locking 4: Frequency stability ±10ppm 5: RF power 10dBm 6: Audio frequency response 40~18000Hz 7: Distortion ≤0.5% 8: Battery specifications 1.5V x 2/two AA Size alkaline batteries 9: Battery life 4-6 hours (depending on battery type and capacity) ​ Receiver technical specifications 1: Frequency range 520.30~579.30MHz 2: The number of channels A and B are 30 each (conservative value). Each time they are paired, the ID code changes randomly, within the frequency range set by the manufacturer. 3: Oscillation mode DSP chip frequency locking 4: Rate stability ±10ppm 5: Receiving sensitivity -95~-71dBm 6: Audio frequency response 40~18000Hz 7: Distortion ≤0.5% 8: Signal-to-noise ratio ≥90dB 9: Audio output 350mv (maximum) 10: DC voltage DC 12V 5W

Debra Audio D-120 UHF Wireless Microphone System Dual Handheld Microphones/Dual Lavalier & Headset Microphones Suit for All Types Of Performance Singing Karaoke Speecn in Church Home Class It is a high quality professional and reliable 2 channel UHF wireless handheld microphone systems. It use s the most advanced technology called SMT (Surface Mounted Technology) and is made of the highest quality surface mounted components to ensure its quality and reliability. It's ideal for professional performance, in church or karaoke use.