Features:
◆ Adopts world-advanced DPLL digital phase-locked loop multi-channel frequency synthesis technology and automatic noise control (with pilot tone).
◆ Uses UHF 740MHz–790MHz band to avoid interference.
◆ New energy-saving mode, full auto-EQ control, automatic tone correction, full auto power on/off, auto infrared frequency matching, and full auto scanning.
◆ Dual microphone design allows two people to sing simultaneously, handheld mics with hidden antenna. As an excellent portable wireless pa amplifier & microphone, it features true diversity receiving circuit to ensure no dropout within effective range and eliminate dead zones. With high-gain antenna, the usable open-area distance reaches up to 100 meters. Complete input/output interfaces for easy connection to various devices.
◆ Uses the latest high-frequency SAW filter to maximize out-of-band interference rejection.
◆ Dual-conversion high-frequency circuit design provides extremely high sensitivity.
◆ Voice compander circuit greatly improves signal-to-noise ratio. Unique voice limiter prevents cracking even when singers shout.
◆ Any microphone in this system can pair with any receiver – completely solves the incompatibility of fixed-frequency microphones. Ideal for multiple systems in the same venue.
◆ High-fidelity sound quality and unique interference noise squelch function.
◆ Audio compander technology reduces noise and increases dynamic range.
◆ Independent output and mixed output – can connect to mixers and karaoke amplifiers.
◆ Suitable for public speaking and karaoke performances.

Technical Specifications:
◆ Operating frequency: 740MHz–790MHz
◆ Modulation: Broadband FM
◆ Number of channels: 200
◆ Channel spacing: 250kHz
◆ Frequency stability: ±0.005%
◆ Dynamic range: 100dB
◆ Max deviation: ±45kHz
◆ Audio frequency response: 20Hz–20kHz (±3dB)
◆ Pilot frequency: 32.768kHz
◆ Signal-to-noise ratio: >105dB
◆ Total distortion: ≤0.5%
◆ Operating distance: 100m (under ideal conditions)
◆ Operating temperature: -10℃ to +50℃

In summary, this portable wireless pa amplifier & microphone is your ideal choice for outdoor activities, classroom speeches, small performances, and karaoke.