YELANGU YLG9929B MX4 100CH Dual Channel UHF Wireless Microphone System with 2 Transmitters and Receiver for DSLR Cameras and Camcorders, YLG9929B

Characteristics
1. Dual-channel UHF line receiving technology, supporting 2 transmitters operation.
2. Using secondary DSP receiving processor, strong anti-image interference ability.
3. Professional circuit design with LOW-CUT function.
4. Provide mono stereo output and mono stereo output.
5. Equipped with a headphone interface, which can be connected to the headphones to monitor the radio effect in real time.
6. The volume of monitoring and audio output can be adjusted independently and has a memory function.
7. Adopt WNCRS acoustic environmental noise reduction technology, which can suppress environmental noise and wind noise.
8. Integrate high-performance audio expander to provide wider audio dynamic response in real time.
9. Provide 100 wireless channels, you can set multiple groups of channels to work simultaneously.
10. Support Line in / MIC in input, Line in is linear input, MIC in is microphone input.
11. Support camera charging, with a charging current of 600mA.

Specifications
1. Frequency response: 30Hz-18KHz
2. Sound transmission delay: <0.15ms
3. Microphone Specifications: Omnidirectional capacitive
4. De-emphasis: 50uS
5. S/N ratio: >90dB
6. Maximum frequency deviation: +/- 50 kHz
7. Mute level: 15 dBuV
8. Distortion: > 0.9%
9. Number of channels: 100
10. Indicator: RF, IR
11. Audio output: level >48dBV
12. Reference distance: 60 meters (open outdoor area)
13. Audio output interface: 3.5mm jack
14. Antenna: 1/4 wavelength spring antenna (adjustable angle)
15. Headphone output: 15mW level (16 ohms)
16. Power supply: 2.4V DC (2 x AA rechargeable batteries) or 3.0V DC (2 x AA alkaline batteries), battery not included, 5.0V DC (external USB mobile power supply) to charge rechargeable batteries, current: 600mA
17. Battery life: Taking 2 x 3200mAh rechargeable AA batteries as an example, the A+B group can be used for about 8 hours at the same time; the A/B group can be used for about 12 hours when working alone.

Packing List
1. Receiver x 1
2. Transmitter x 2
3. Manual x 1
4. 3.5 audio 3P male to 3.5 audio 3P elbow cable x 1
5. 3.5 male microphone 3P audio x 2
6. Canon 3-conductor male connector to 3.5 x 1 audio 3P male connector
7. Boot type support x 1