ABK SR-66A – High Range UHF True Diversity Dual Handheld Wireless Microphone System with Adjustable Frequency & 250m Working Distance
Overview:
• The ABK SR-66A is a high-range UHF wireless microphone system supplied with 2 handheld microphones.
• Designed with True Diversity technology to provide more stable wireless signal reception and reduce signal dropouts during operation.
• Supports adjustable frequency operation, making it suitable for professional audio environments where flexible frequency selection is required.
• Provides long working distance up to 250 meters, making it ideal for large halls, event venues, schools, hotels, mosques, churches, conference areas, and outdoor applications.
• Features LCD display to show group, channel, and battery power information for easy monitoring.
• Supports 200 working frequency quantities within 640–690MHz frequency range.
• Designed for professional PA, stage sound, events, and commercial audio systems that require strong wireless performance.
Key Features:
• High Range UHF Wireless Microphone System
• 2 Handheld Wireless Microphones
• True Diversity Receiver Technology
• Adjustable Frequency Operation
• Working Distance up to 250 Meters
• LCD Display for Group, Channel, and Battery Power
• 200 Working Frequency Quantity
• Frequency Range 640–690MHz
• S/N Ratio 105dB
• Microphone Power: 2 × 1.5V AA Batteries
• Battery Operation up to 15 Hours
• Suitable for Professional PA, Stage, and Event Applications
Technical Specifications:
• Product Type: UHF Wireless Microphone System
• Model: SR-66A
• Microphone Type: Dual Handheld Wireless Microphone
• Number of Microphones: 2 Handheld Microphones
• Wireless Technology: UHF True Diversity
• Frequency Mode: Adjustable Frequency
• Frequency Range: 640–690MHz
• Working Frequency Quantity: 200
• Working Distance: Up to 250 m
• Display: LCD Display
• Display Information: Group / Channel / Battery Power
• S/N Ratio: 105dB
• Microphone Power: 2 × 1.5V AA Batteries
• Battery Working Time: Up to 15 Hours
• Application: Public Address / Stage Sound / Events / Conference / Commercial Audio Systems
Applications:
• Public Address Systems
• Stage Sound Systems
• Large Halls
• Conference Rooms
• Event Venues
• Schools
• Hotels
• Mosques
• Churches
• Training Centers
• Outdoor Events
• Auditoriums
• Commercial Audio Installations
Connect Gates Recommendation:
• Recommended for large PA and event sound projects that require long wireless coverage and stable True Diversity reception.
• Suitable for professional venues where two handheld microphones are needed with flexible frequency adjustment.
• For best performance, Connect Gates recommends checking the installation environment, selecting clean frequencies, and keeping proper antenna positioning to maintain stable wireless operation.