2.4G Wireless karaoke Microphone extender 70m with Lavalier Lapel Mics TRS for Vlog phone DSLR camera recording

This product is designed for the high-end professional film and television live broadcast industry. It is configured with 2 transmitters and 1 receiver. It can support two audio transmissions at the same time, and it can also support 1 audio transmission; the product adopts the industry-leading wireless transmission scheme, 2.4G frequency band transmission, It has the advantages of high reliability, ultra-low power consumption, long battery life, and no delay; it is widely used in media interviews, live broadcasts and other fields. 

Product Features 

Dual-channel synchronous transmission without delay 

Built-in high-performance large-capacity polymer lithium battery, safe and reliable 

Using ultra-low power consumption main control chip, which can work continuously for 7 hours 

Ultra-low delay transmission to ensure synchronization of audio and video 

Support noise reduction function  

The receiver display screen design is convenient for status checking and function control

Support MONO and Stereo 

Support one-key mute, cut off non-essential audio recording at any time  

Support volume adjustment  

Support external microphone Product Specification  

Longest transmission distance..............70m  

Built-in battery..............Lithium battery 

Battery Capacity................................250mA/H 

Working time.......................About 7hrs 

Charging power..................5V/200mA 

RF frequency...........................2.4GHz 

Transmit power.........................14DB  

Audio gain........................0-4Level  

Signal-to-noise ratio............................97DB  

Frequency Range..........................20HZ---14.5KHZ  

Noise reduction grade................0--75Hz--150Hz  

Microphone.......................Capacitive Omnidirectional  

Receiving sensitivity......................-95DB 

Maximum output level......................1.7Vp-p

Output impedance............≈47Ω （32ΩUnder load）

Working temperature range.................(-40℃ - +50℃) 

Working environment temperature range.........90% RH(No condensation) 

Product size……….......................…46.7x47x19mm 

Material.............ABS

Color.........Black 

Transmitter weight....................................30g 

Receiver weight..............30g