Professional Digital Advanced AD4D True Diversity KSM8 Handheld Wireless DJ Karaoke Microphone System UHF Frequency Adjustable

Welcome To Our Company Online Store - MiCWL Audio Inc. AD4D UHF Digital Microphone System       Large Range UHF Wireless Karaoke DJ Microphone         with AD2 KSM8 Handheld Singing Voice Speech Microphones   MSRP: $899.00 Brand New - Original Packaging Authorized Dealer - Warranty By Manufacturer of MICWL Audio Inc. Features:1. True diversity receiver, dual-channel independent selection system. It can minimize the occurrence of frequency interruption.2. The dual-channel independent AFS frequency automatic search function can quickly scan and lock the frequency with the leastworry in the working environment.3. Receiver and transmitter use IR infrared frequency matching technology to synchronize codes with one click.4. Professional performance-level phase lock circuit, combined with noise lock squelch control and digital pilot technology, whenthe transmitter is turned off, the pilot control mutes the AF signal to suppress noise, and at the same time mutes thecorresponding receiver. It guarantees the effective blocking of the worry signal.5. Backlit LED display indicates the working status of RF and AF signal strength, battery status, diversity channel indication(A/B), frequency, frequency group/channel, etc.6.Accurate electronic volume control technology, the receiving distance is adjustable in three gears, and has an operation keylock function to prevent misuse.7. TRD.3 true diversity wireless system is specially designed for touring and fixed installation purposes, and provides a varietyof sound heads with different sound properties for replacement. It has the highest reliability, sound quality and transmissionstability.System indicators:RF range: 645.25 --685.05MHz (A channel: 645.25-665.05, B channel: 665.25---685.05)Available bandwidth: 30MHz per channel (total 60MHz)Modulation method: FM frequency modulationNumber of channels: 300 channels of infrared automatic frequency matchingOperating temperature: minus 18 degrees Celsius to 50 degrees CelsiusSquelch mode: automatic noise detection and digital ID code squelchOffset: 45KHzDynamic range: >110dBAudio response: 60Hz-18KHzComprehensive signal-to-noise ratio: >105dBComprehensive distortion: <0.5%UR24D Host Receiver specifications:Receiving method: double-conversion superheterodyne, double-tuned true diversity receptionOscillation mode: PLL phase locked loopIF frequency: first IF: 110MHz, second IF: 10.7MHzAntenna interface: TNCDisplay mode: LCDSensitivity: -100dBm (40dB S/N)Spurious suppression: >80dBAudio output: unbalanced: +4dB (1.25V)/5KΩBalance: +10dB(1.5V)/600ΩSupply voltage: DC12V Supply current: 450mAKSM8 Transmitter :Optional dynamic microphone handheld, capacitive microphone handheld, lavalier, head-mountedOscillation mode: PLL phase locked loopOutput power: 3dBm-10dBm (LO/HI conversion)Battery: 2 "1.5V5" batteries Current: <100mA(HF), <80mA(LF)Use time (alkaline battery): about 8 hours at high power.Zinc aluminum alloy structure (OK-2H/3H)All aluminum alloy structure (OK-5H/66H     1 x AD4D Receiver 2 x KSM8 Handheld Microphone Transmitter (or UR1 BeltPack with Headset) 1 x Audio transmission line 1 x Power adapter 4 x Antennas 1 x Operating instructions   Warranty：One Year Warranty Covered by MICWL Audio Inc.