• Adopts advanced DPLL digital phase-locked loop and automatic noise control technology, ensuring stable and reliable transmission for public announcement system
• Energy-saving mode, auto EQ, auto tone correction and automatic IR frequency matching & scanning
• Dual handheld microphone design with invisible antenna, ideal for dual-person speech in public announcement system
• True diversity receiving circuit eliminates blind spots; high-gain antennas support up to 500m open-space range
• Equipped with high-frequency acoustic surface filter for maximum out-of-band interference suppression
• Secondary frequency conversion circuit delivers ultra-high sensitivity and clear reception
• Voice compression expander & limiter greatly improve SNR and avoid cracking, perfect for public announcement system clarity
• Universal frequency tuning allows multiple systems to work together without conflict
• Hi-fi sound quality with unique interference noise quieting function
• Audio compression technology reduces noise and enhances dynamic range
• Supports independent and mixed output, compatible with mixers, amplifiers and standard public announcement system equipment
• Widely used for public announcement system, public speaking, conferences and karaoke performances

Product Parameters

• Frequency range: 740~790MHz
• Adjustable range: 50MHz
• Channel spacing: 250KHz
• Dynamic range: 100dB
• Audio response: 80Hz~18KHz (±3dB)
• Distortion: ≤0.5%
• Effective distance: 500m (open space)
• Modulation: Bandwidth FM
• Channels: 200
• Frequency stability: ±0.005%
• Peak deviation: ±45KHz
• SNR: >105dB
• Working temperature: -10℃~+40℃