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Debra Audio AU400 4 channel wireless microphone system. Two set freuqncy point: A- 501/511.5/524/538.5 B-506/517.5/531/546.5 There series products adopt UHF frequency and use the international standard common frequency which can be used in all over the world. Due to the low frequency and many reasons traditional wireless microphone usually disturbed by many factors especially by the variety of harmonic which send off by the CD/DVD/VCD/LD and other any digital equipments. Squelch circuit usually analysis the intensity of the RF frequency channel instead of the noise and the needed signal. Using the low traditional wireless microphone in the complex environment or when the signal of the microphone is week or the microphone is closured the squelch circuit many suddenly opened which result the receiver send out a strong burst of noise. It ideal for church small DJ KJ stage birthday wedding or family party conference classrooms small karaoke night etc.
- Debra Audio AU400 4 Channel Wireless Microphone System Two set frequency points: A- 501 / 511.5 / 524 / 538.5 B-506 / 517.5 / 531 / 546.5.
- The products in the series adopt UHF frequency and use international standard common frequency that can be used worldwide.
- It is ideal for church small DJ KJ scene birthday wedding or family party conference classrooms small karaoke party etc.