True Diversity Lavalier Wireless Microphone (One Transmitter with Four Receivers / 4-Channel)
Model:KT-880 Guangzhou Jodie Audio Equipment Co., Ltd.
System Specifications RF Range: 640.25-690.00 MHz Channel A: 640.25-652.50 MHz Channel B: 652.75-665.25 MHz Channel C: 665.50-677.50 MHz Channel D: 677.75-690.00 MHz Usable Bandwidth: 250 KHz per channel Modulation Mode: FM (Frequency Modulation) Number of Channels: 200 channels with infrared automatic frequency pairing Operating Temperature: -18°C to 50°C Squelch Mode: Automatic noise detection and automatic digital ID code squelch detection Modulation Degree: 45 KHz Dynamic Range: > 110 dB Frequency Response: 60 Hz - 18 KHz Comprehensive Signal-to-Noise Ratio: > 105 dB Total Harmonic Distortion: < 0.5%
System Specifications
RF Range: 640.25-690.00MHz
Channel A: 640.25-652.50MHz
Channel B: 652.75-665.25MHz
Channel C: 665.50-677.50MHz
Channel D: 677.75-690.00MHz
Usable Bandwidth: 250KHz per channel
Modulation Mode: FM (Frequency Modulation)
Number of Channels: 200 channels with infrared automatic frequency matching
Operating Temperature: -18°C to 50°C
Squelch Mode: Automatic noise detection and automatic digital ID code squelch detection
Modulation Degree: 45KHz
Dynamic Range: >110dB
Audio Response: 60Hz-18KHz
Comprehensive Signal-to-Noise Ratio (SNR): >105dB
Comprehensive Distortion: <0.5%
Receiver Specifications
Antenna Interface: TNC connectors (CH1A, CH1B, CH2A, CH2B)
Display Mode: LCD
Sensitivity: -100dBm (90dBm)
Spurious Suppression: >80dB
Audio Output:
Unbalanced: +4dB (1.25V) / 1.5KΩ
Balanced: +10dB (1.5V) / 300Ω
Power Supply Voltage: DC 12V
Power Supply Current: 2000mA
Transmitter Specifications (Handheld Type)
Oscillation Mode: PLL (Phase-Locked Loop) digital phase-locked loop
Output Power: 3dBm-10dBm
Battery: 2 × 1.5V AA batteries (Size 5 batteries)
Current: <100mA (HF), <80mA (LF)
Operating Time (Alkaline Batteries): Approximately 6 hours at high power
* Page content update time:2025-11-04 10:47:41,The relevant information on the website is for reference only. All products are subject to physical inspection and are subject to change without prior notice.
