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SAFE & SECURE SHOPPING 100% SATISFACTION GUARANTEED FAST SHIPPING You may also like AD4D 2 Channel KSM8 Dynamic Wireless DJ Karaoke Microphone Digital Sys New inbox Product Description Original 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 AD4D Digital Receiver: Frequency range: 640-690MHZ 2x 200 Channel Maximum number of channels: 300 Bandwidth: 50MHz Receiving sensitivity: -105dBm S/N ratio: >70dB(A) Distortion: <1% Audio output level: 8dBu max External power supply: DC: 12-17V, 1A, Oscillation mode: PLL phase locked loop IF frequency: first IF: 110MHz, second IF: 10.7MHz Antenna interface: TNC Display mode: LCD Sensitivity: -100dBm (40dB S/N) Spurious suppression: >80dB Audio output: unbalanced: +4dB (1.25V)/5KΩ Balance: +10dB(1.5V)/600Ω Supply voltage: DC12V Supply current: 450mA Digital Handheld transmitter: Frequency range: 640-690MHZ, 2x200 Channel Bandwidth: 50MHz Harmonic suppression: >55dBc Maximum frequency deviation: +_48KHz Frequency response: 40Hz-16KHz (-3dB) S/N ratio:>70dB(A) Distortion:<1% Power requirements: 2 AA type 1.5V batteries) Package included: 1 x Dual Channel Digital Host 2 x KSM8 Metal Handheld microphone 1 x Audio transmission line 1 x power adapter 4 x telescopic antennas 1 x Operating instructions Shipping Returns About us Feedback Shipping 1.Handling time: 1 business day and 2 business day on weekend (Orders are not processed on holidays) 2.It usually takes 3-7 business days for the delivery. 3.Please make sure your address on eBay is matched with your shipping address before you pay. Returns 1.Return is accepted within 30 days after the buyer receiving the item. 2.If you need return, let us know the detailed problem and send us some pictures for confirmation. 3.Then get a address for return or refund . About us 1.We strive to satisfy every customer.we will do our best to solve your problem. 2.Before leaving us neutral or negative feedback, please contact us first. We will do everything we can to give you a satisfying solution. 3.Please don't open case via ebay or paypal. 4.Please don't open any return request before contact us. 5.We do our best to resolve any issue. Leaving negative feedbacks and low ratings doesn't get things solved. So please talk with us and we will not let you down. Feedback 1.If you are satisfied with the product you received, please feel free to leave us positive ( + ) feedback. 2.If you are not satisfied, please contact us before leaving any negative feedback or open any case on eBay, thanks. Copyright © 2022 Tongtool