Features ---Less noise and large dynamic range. Equipped with great function to effectively reducing howling. ---Unique noise squelch function, reject external interference and turn on the local sound system. ---The selection of excellent chips and high-quality components makes the sound quality of this machine extremely excellent. ---A comprehensive solution to the use of KTV out of frequency, mixed frequency, sound-off, not enough distance, sound not into the microphone, singing is not smooth, battery is not durable, etc. problems ---Professional wireless system with 2 microphones. Ideal for professional use at any events: Karaoke, sound source recording and amplifying, vocal concerts, live-performances, conference, musical and opera, church, school, hall, family, party, etc.-Returns: 30 day returns | Seller pays for return shipping | See details- for more information about returns-Payments: -: -: -: -ModelCountry/Region of Manufacture:: n/aChina-Custom BundleMaximum SPL:: Non/a-ConnectivityFeatures:: WirelessLED Display, Wireless Handheld-MPNPower consumption:: n/a4W-Battery power consumptionFrequency stability:: <30MA0.005%-Diaphragm SizeStray radiation suppression:: Medium> 40DB-De-emphasisModulation method:: 50usFM, F3F-Receiving sensitivityPower supply:: more than 40dB (with carrier)AC110-220v/45-60hz-Maximum modulationBrand:: ± 75KHZUnbranded-Form FactorSuitable For:: Handheld/Stand-HeldHome Recording, Karaoke-UPC: Does Not Apply-: -: -: -Item location: Meadow Lands, Pennsylvania, United States-Ships to: United States-: