Soundvision SU-890D/BT(HW-X) ชุดไมค์ลอยคาดศรีษะคู่ UHF Wireless Microphone Dual Headworn
– UHF 803.3 ~ 805.7MHz Frequency Range. (Brand for Thailand Regulation) – Frequency Response 30Hz ~ 20kHz – Pre-Set 40CH (2*20CH) Selectable Frequencies. – Wireless System Adopts Intelligentized Cryptographic Hardware. – Auto Frequency Scanning and Spectrum Display. – Auto Mute When Falling Down or Laid Down. – Up To 100 Meters Line-of-Sight Range. – Ideal for Professional Stage, Clubs, Music Entertainment Meeting, Training, Conference and karaoke Etc.