The Ortega Digital Wireless System features 2.4 Ghz digital technology and broadcasts incredible crystal-clear audio quality. Ready to use in seconds the system offers four operating channels (A, B, C, D), power/charge indicator and a rechargeable, built-in battery (+2500 charging cycles). The latency of < 5 ms and a full range frequency coverage of 20 Hz – 20 kHz secures great, detailed, and real-time sound. The ODWS supports most active & passive systems as well as acoustic piezo devices.