Debra Audio DU4004 4 channel wireless microphone system.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 any digital equipments. Squelch circuit usually analyzes 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 closed, the squelch circuit many suddenly opened which result the receiver sending out a strong burst of noise. Do not change the frequency when using one set system.It ideal for church, small DJ KJ stage, birthday wedding or family party,conference, classrooms, small karaoke night etc.

This wireless microphone uses UHF signal transmission. The handheld microphone transmitter and receiver are made of metal. The redesigned circuit and high-quality chips optimize the signal transmission of sound and greatly reduce the loss of sound in wireless transmission. The system has a stable transmission range of 80m, and can reach 100m in an open area and without signal interference. The multi-functional receiver has a built-in SYNC automatic frequency search function, which can automatically search and locate safe frequencies in complex environments to avoid signal interference. The transmitter can be quickly paired through IR matching. This wireless microphone has a very high sound reduction degree, and is very suitable for singing at home parties, conference speeches, and even stage performances.

Debra Audio DU4004 4 channel wireless microphone system.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 any digital equipments. Squelch circuit usually analyzes 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 closed, the squelch circuit many suddenly opened which result the receiver sending out a strong burst of noise. Do not change the frequency when using one set system.It ideal for church, small DJ KJ stage, birthday wedding or family party,conference, classrooms, small karaoke night etc.

Debra Audio DU4004 4 channel wireless microphone system.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 any digital equipments. Squelch circuit usually analyzes 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 closed, the squelch circuit many suddenly opened which result the receiver sending out a strong burst of noise. Do not change the frequency when using one set system.It ideal for church, small DJ KJ stage, birthday wedding or family party,conference, classrooms, small karaoke night etc.

The AU-400 is our best-selling 4-channel UHF wireless microphone system that can be equipped with handheld/headset/lavalier microphones. Its performance is stable, the appearance is simple and elegant, the signal transmission is stable, and the sound is clear. AU-400 is ideal for family karaoke, conference presentations, small banquet parties, and is an excellent product for wireless microphone systems used by many people.

The AU-400 is our best-selling 4-channel UHF wireless microphone system that can be equipped with handheld/headset/lavalier microphones. Its performance is stable, the appearance is simple and elegant, the signal transmission is stable, and the sound is clear. AU-400 is ideal for family karaoke, conference presentations, small banquet parties, and is an excellent product for wireless microphone systems used by many people.