SPECIFICATIONS

1 Metal LOGO Embossed Receiver: Metal wireless microphone and receiver , durable, thick grille, make the sound more realistic and prevent noise more effectively.

2 G-MARK Proprietary Capsule: The dynamic microphone's capsule of each microphone is developed and manufactured by G-MARK and is printed with the G-MARK logo. The high-quality core effectively limits feedback and interference, picks up sound smoothly and transmits it with ease. Provides clear, powerful, best true sound.

3 Frequency adjustable: Four channel UHF wireless microphone system, selectable frequency: 520-580MHz. Using PLL frequency synthesis technology, it provides worry-free sound transmission, minimal dropout and maximum feedback rejection. Smooth and fast IR sync.

4 4-channel Can be used at the same time: The professional receiver with four wireless microphones features an LCD display showing frequency numbers and individual volume controls for precise vocal balance. Long-range reliable performance up to 250 feet in open space line of sight.

5 Applicable Occasions: This wireless microphone is suitable for live karaoke, conferences, home entertainment, teaching, party speaker , show ,stage performances and weddings.

GT400 frequency adjustment method :

1. Press ▲/+ or ▼/-, when the screen displays CH to select channel, press the SET button,
2. Place the IR calibration hole of the microphone towards the IR calibration hole on the right side of the main unit,
3. When the frequencies displayed by the microphone and the receiver are the same, the calibration is complete.

Microphone parameters:

Channel: four independent UHF
Frequency range: 500-580MHz
Number of variable frequency points:100
Frequency point matching mode:infrared frequency
Audio range: 50Hz-18KHz
Microphone battery: AA battery
Wireless receiving distance: about 100meters (barrier-free)
Signal to noise ratio: ≥ 80db
Frequency stability: ± 0.005%
Audio response: 40Hz- 16KHz
Dynamic range: ≥ 90db
Frequency accuracy: ±5KHz
Frequency deviation range: ±15KHz

Packing list:

4*wireless microphones
2* antenna
1* power supply
1* 6.35mm cable
1*instructions