Product Name: Wireless 2 Channel UHF Handheld Microphones Model NO.: WM-88U Wireless Technology: UHF Signal Transmission: Wireless Application: Music, Voice, Recording, Meeting Style: Handheld Microphone Channel: 2CH(100 Channel Optional) Carrier Frequency: UHF600-900MHz Modulation Mode: UHF Audio Frequency Response: 40Hz-20kHz S/N Ratio: >80dB Audio Dynamic Range: >80dB T.H.D.: <0.2% Cover Range: 80m Size: 21X18X4.4cm Trademark: LUCKY-TONE Transport Package: Gift Box/Export Carton/Pallet Origin: China HS Code: 85189000 Product Description Wireless 2 channel UHF handheld microphonesThis WM Dual Channel Handheld Wireless System features efficient RF performance, diversified frequency range, and high S/N ratio. Thus, it is suitable for wireless professional sound reinforcement, such as, KTV, education, and live performance.SPECIFICATIONS WM-88UChannel2Ch(100 channel optional)Carrier FrequencyUHF600-900MHzFrequency Steadying±0.005%Modulation ModeUHFMaximum Deviation±20KHzAudio Frequency Response40Hz-20KHzS/N Ratio>80dBAudio Dynamic Range>80dBT.H.D.<0.2%Cover Range80MSize21x18x4.4cmOperating Temperature-10ºC-50ºC