The BNK IS-400 is a high-performance, professional-grade 4-in-1 wireless microphone system engineered for large-scale environments where distance and signal stability are critical. This UHF system features four high-quality handheld transmitters operating simultaneously from a single rack-mountable receiver, making it the perfect solution for large worship centers, stadiums, and outdoor corporate events.
Boasting an incredible 250-meter operating range, the IS-400 is designed to penetrate through obstacles and maintain a rock-solid connection without dropouts. With its advanced Frequency Control system and over 150 selectable frequencies, you can easily navigate crowded RF environments to find a clean, interference-free channel. The "Sharp Sound" technology ensures that vocals are reproduced with high-definition clarity, providing a crisp and articulate audio profile that sits perfectly in any mix.

Key Features:
True Long-Range Performance: Offers a massive 250-meter line-of-sight range, allowing performers and speakers to move freely in the largest venues.
4-Channel Simultaneous Use: Four independent wireless handheld microphones controlled by one central receiver, each with dedicated volume control.
150+ Selectable Frequencies: Advanced frequency agility allows you to choose from over 150 different frequencies to avoid local interference.
Professional Frequency Control: Digital synchronization between the receiver and handhelds for fast, accurate setup and stable frequency locking.
Sharp Sound Production: High-fidelity dynamic capsules designed for high-definition vocal reproduction and superior transient response.
Rugged Rack-Mount Design: The metal receiver chassis is built for durability and fits into standard 19-inch equipment racks.
Clear LCD Monitoring: Both the receiver and microphones feature bright digital displays showing signal strength, channel, and battery levels.
Technical Specifications:
System Type: 4-in-1 UHF Wireless Microphone System
Operating Range: Up to 250 Meters
Frequency Variety: 150+ Different Selectable Frequencies
Polar Pattern: Cardioid (Unidirectional)
Frequency Response: 40 Hz – 18 kHz
Output Connectors: 4 x Balanced XLR (Individual), 1 x 1/4" Mixed Unbalanced Jack
Harmonic Distortion: <0.5%
Signal-to-Noise Ratio: >105 dB