AD4D 2 Channel Dynamic Wireless DJ Karaoke Microphone Digital Sys. 610-690MHZ

NEW Digital Wireless Headset Microphones. Professional New Generation of upgrades. AD4D Wireless Karaoke System with KSM8 Black Dual Channel Stage Karaoke. 2 x Metal Handheld Microphones(no logo). Brand New - Original Packaging.

AD4D Digital offers dual and quad receiver options that open the door to a full range of features, from high-performance RF to transparent digital audio. The AD4D Two-Channel Digital Receiver sets a new standard in spectral efficiency.

Groundbreaking performance features include wide tuning, low latency, and High Density (HD) mode, ensuring solid performance in the most challenging RF environments. Networked control and signal routing options bring a new level of management and flexibility to your entire workflow. 500m Large unimpeded plaza/vocal concert.

Complex harsh environment 200m Range (Rainy days are included). True diversity, 2 Channel wireless handheld microphones, short circuit protection function; infrared automatic frequency matching, pilot frequency function Four antenna signal strengthened reception (multi-level high-frequency filter design has strong anti-interference ability and no noise). 2.1U standard chassis, metal panel, LCD liquid crystal display display working status, simple function operation.

High-fidelity audio transmission circuit, anti-drop, anti-vibration microphone core matching, sound clarity and high vocal reproduction. Hand microphone power consumption: 110MA, using imported DC conversion boost circuit low power consumption and high efficiency, effectively extending the battery life. Radiant power: 16mW, use distance up to 500 meters in open environment. Complex harsh environment Rainy 200m Range.

Equipped with anti-switch impact function to ensure the protection of the output of the rear stage, and prevent the power amplifier and speakers from being impacted and burned. The hand microphone has a battery level display, and the receiver also has a battery level display, which is convenient for remote monitoring of battery usage and working status at a glance. Frequency range: 610-690MHZ 2x 200 Channel.

Maximum number of channels: 300. External power supply: DC: 12-17V, 1A. Oscillation mode: PLL phase locked loop. IF frequency: first IF: 110MHz, second IF: 10.7MHz. Audio output: unbalanced: +4dB (1.25V)/5K? Balance: +10dB(1.5V)/600? Supply voltage: DC12V Supply current: 450mA. Frequency range: 640-690MHZ, 2x200 Channel. S/N ratio:>70dB(A) Distortion.

Power requirements: 2 AA type 1.5V batteries. 1 x Dual Channel Digital Host. 2 x KSM8 Metal Handheld microphone.

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