Key features: Receiver and transmitter in True Diversity technology UHF band Digital audio signal processing with a sampling frequency of 24bit/48kHz Built-in acoustic feedback eliminator High-quality audio compression - lowers noise and extends the dynamic range Multi-level high and mid frequency filters Low battery LED indicator Up to 60 meters working range Two separate XLR outputs and a mix out Base: THD: 0.1% S/N ratio: 96dB Frequency range: 864.2 - 864.7 MHz Modulation: DQPSK Bandwidth: 300kHz Dynamic range: 90dB Sampling rate: 24 bit / 48kHz Audio delay: 3ms Frequency response: 20-20000Hz Working range: 60m Transmitter: Frequency range: 864.2 - 864.7 MHz Power: 10mW Batteries: 2xAA 1.5V Frequency response: 50 - 20000Hz Efficiency: 2.1mV/Pa Power consumption: 100mA at 3V Warranty 2 years