AKG DMS100 Digital Wireless Handheld Mic System

This is what AKG say about the DMS100 Wireless Mic System:

The AKG DMS100 professional digital wireless system delivers signature AKG sound with four channels of stable, license-free 2.4 GHz operation, advanced security features, long battery life, and effortless setup. It’s available in two configurations: a premium AKG handheld microphone or a versatile bodypack. The bodypack is instrument-ready and compatible with a wide selection of AKG headworn and clip-on microphones (sold separately), making it ideal for singers and presenters alike.

Built on more than 70 years of AKG microphone expertise, the DMS100 uses uncompressed 24-bit/48 kHz digital audio to produce clear, studio-quality sound without the interference common in analog wireless systems. Ultra-low latency ensures a natural performance experience for vocalists and instrumentalists, while AES 256-bit encryption provides confidence in sensitive presentation environments. With exceptional fidelity, security, and reliability, the AKG DMS100 is an ideal wireless solution for musicians, corporate and government speakers, houses of worship, fitness professionals, educators, and anyone who values pristine audio and complete freedom of movement on stage.

• Carrier frequency: Digital 2.4 GHz
• Encryption: 256-bit AES
• Simultaneous operation: Yes, up to 4 coexisting systems
• Working Range: 30m (100’)
• Latency: <=2.9ms
• Frequency/Channel Selection: Adaptive Channel Selection
• Diversity Wireless: Antenna, Time, Frequency
• Frequency Response: 70 Hz–20 KHz + 1/-3 dB
• Dynamic Range: 116 dB @ 1 KHz
• Signal-to-noise: >90 dBA
• Rack Mountable: Yes, with optional rackmount kit
• Battery: 2xAA Alkaline
• Battery Life: 12 Hours
• Microphone Head: Fixed P5 Mic Head with Pneumatic Shock Mount