Thông tin cần thiết
Thời gian giao hàng:5-7天
Phương thức vận chuyển:快递
Mô tả sản phẩm
Features
- 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℃
