The BNK IS-40 is a highly versatile, professional 4-in-1 wireless microphone system specifically engineered for hands-free operations in massive venues. This advanced UHF system includes four robust bodypack transmitters along with interchangeable headset (head-worn) and lapel (lavalier) microphones. It is the premier audio choice for drama teams, theatre productions, large-scale church altars, corporate presenters, and fitness instructors who demand absolute freedom of movement.
With an exceptional operating distance of 250 meters, the IS-40 ensures a crystal-clear, rock-solid audio link over long ranges without signal drops or dropouts. The multi-functional design allows you to mix and match between discreet lapel clip-ons or high-stability headsets depending on your event needs. Featuring advanced frequency management with over 120 selectable frequencies, navigating past local RF interference or setting up multiple wireless rigs simultaneously is quick, effortless, and dependable.
Key Features:
Massive 250m Range: High-penetration UHF engineering allows presenters and performers to move confidently across expansive stages and outdoor setups.
4-in-1 Multi-Function Pack: Operates four bodypack transmitters at the same time, giving you the flexibility to use either the headsets or lapel clips.
120+ Selectable Frequencies: A wide band of over 120 digital frequencies prevents signal overlapping and allows instant channel swapping in crowded wireless environments.
Hands-Free Performance: Optimized capsule designs deliver sharp, highly intelligible voice capture while keeping the speaker's hands completely free.
Independent Channel Balancing: The central receiver is built with separate volume potentiometers and dedicated displays for each of the four channels.
Professional Rack Design: Standard rack-mountable metal chassis with dual-antenna diversity for maximum signal reception and road-ready durability.
Technical Specifications:
System Type: 4-Channel UHF Wireless Headset / Lapel System
Operating Range: Up to 250 Meters (Line-of-Sight)
Frequency Variety: 120+ Different Selectable Frequencies
Transmitters: 4 x Beltpack Transmitters
Microphone Types: 4 x Headset Mics & 4 x Lapel Lavalier Mics (Interchangeable)
Output Connectors: 4 x Balanced XLR Outputs, 1 x 1/4" Mixed Unbalanced Jack
Signal-to-Noise Ratio: >105 dB
Total Harmonic Distortion: <0.5%