• Carrier frequency band: UHF640~690MHz
• Frequency band width: 50MHz
• Frequency adjustment: automatically after lock receiver
• channel work/manually adjust the output power: 15 mw
• Harmonic radiation: < 55dBc
• Maximum offset: ± 48KHz
• Sound head: moving coil type
• Batteries used: Two # 3 (AA) batteries
• Operation display: LCD simultaneously displays battery
• capacity, channel

• Frequency range: 550-980M
• Modulation mode: DQPSK digital modulation
• Signal reception mode: dual channel four reception (real hard
• diversity line)
• Adjustable range: 60MHz (left and right dislocation frequency
• combination)
• Number of channels: 300 in total
• Channel interval: 600KHz
• Frequency stability: within ± 0.003%(30ppm)
• Dynamic range: >96dB
• Maximum frequency offset: No frequency offset
• Audio response: 20HZ-16KHz(± 3dB)
• Comprehensive signal-to-noise ratio: >96dB
• Composite distortion: <0.2%

1. KTV, meeting room.
2. LCD display
3. digital voice code locking technology to effectively block the

noise interference in the use environment;

4. latest infrared automatic frequency matching (IR), easy to set

and operate;

Frequency range: 640MHz to 690MHz

Modulation mode: FM

Number of channels: 200

Channel interval: 300KHZ

Frequency stability: ± 0.005%

Dynamic range: 100db

Maximum offset: ± 45KHZ

Audio frequency response: 40HZ-18KHZ(± 2db)

Comprehensive signal to noise ratio: >105db

Comprehensive distortion: ≤0.5%

1. 1. KTV microphone
   2. Dual channel UHF wireless system, 100 frequencies per channel

   optional.

   3. Backlit LED display indicates RF and AF signal strength, battery

   status, diversity channel indication (A/B), frequency, frequency

   group/channel and other working status.

   4. Using digital voice code locking technology, effectively block

   the use of noise interference in the environment.

   5. Using the latest infrared automatic frequency matching (IR)

   technology

   • full metal plating the tube body
   • frequency range: 610 MHZ to 6700 MHZ
   • Number of channels: 200
   • Channel interval: 300KHZ
   • Frequency stability: ± 0.005%
   • Dynamic range: 100db