System features:

UHF 4 channel professional receiver
-Universal Receiver With LED Display
-Can adjust
-4 channels can work without interference at the same time
-Individual channel volume controls
-Lntroducing frequency compress expanding technology to reduce the noise and enlarge the dynamic range
- Perfect operation status indications
- Wide frequency response range, super low distortion

Specifications:
-Number of channels: 4 channels
-Stability: ± 0.006%
- Normal deviation: ± 22kHz
-S / N ratio: <120dB
-T.H.D: <0.6%
-Frequency response: 50Hz-15kHz

Recipient:
-Sensitivity:> 80dB
-Audio output: Balanced and Unbalanced
-Power requirement: AC 16V, 400mA
-Dimensions: 440 × 210 × 40mm
-Weight (weight): Approx. 1.3 kg
-One 1/4 "mixed and four 1/4" single outputs
-Battery: Built in 18650 lithium battery
-Battery life: <5 hours

Wireless microphone:
- Cartridge: Dynamic
-RF output: <10mW
- Normal deviation: ± 22kHz
-Maximum deviation: ± 80kHz
-Battery: 2 x 1.5V battery
-Battery life: <5 hours