System features:
OBT-8260 is the latest feature of dual channel reception, using UHF frequency band, quartz locking and noise locking, and dual mute control, which can prevent noise interference from jukeboxes and computers. This Portable Public Announcement System Microphone ensures stable and clear audio transmission for public speaking and live performances.

Receiver:
Number of channel groups: Dual channel
Frequency band: UHF600~900MHz
Oscillation mode: crystal fixed frequency
Sensitivity: 25KHz S/N>60dB
Band width: 15MHz
Maximum offset: ± 45KHz
Comprehensive S/N: >95dB
Comprehensive T.H.D.: <1.1% @ 1K
Comprehensive frequency response: 50Hz~18KHz ± 3dB

Transmitting microphone:
Carrier frequency band: UHF600~900MHz
Oscillation mode: crystal fixed frequency
Carrier power: 10mW
Harmonic radiation: <-63dBm
Maximum offset: ± 45KHz
Battery usage: 2x1.5V
Modulation method: FM

In summary, this Portable Public Announcement System Microphone is ideal for classrooms, small events, karaoke, and public address applications where reliable dual‑channel wireless performance is required.