The Instreamer ICE encodes analog audio into MP3 or AAC+ for streaming to an Icecast or Shoutcast internet radio streaming service in the cloud. The Instreamer ICE also has an Icecast server built in and is able to feed up to 50 web radio listeners directly without the requirement to subscribe to an internet radio service provider.Main Features: MP3, AAC encoding Integrated Icecast server for up to 50 simultaneous web radio users Line level input (stereo) Supply voltage 5VDCSpecificationsPower Supply Input: External power adaptor, 100-240VAC, 10W Male connector: 5,5 x 2,1 mm 1 Ethernet Interfaces: RJ45 10/100 auto detect, IPv4, IPv6 Audio Input: Stereo RCA / cinch connectors Audio formats: MP3, AAC mono and stereo Sample rates 22.05/24/32/44.1/48Khz Headphone output: Female Jack 3.5 mm USB: Double USB connector type A female (for future use) RS-232: For meta data contribution Icecast: Integrated Icecast server: Supports up to 50 subscribers Source to external Icecast server HW/SW environment: Barix IPAM400 Linux with dual boot recovery and remote firmware update capability User Interface: Web interface for control, status and configuration HW reset button, LEDs for status Case & Weight: Aluminum 108x38x78.7mm (4.25×1.5×3.1 inch) Weight 250g MTBF: >199951 h / > 22 years Warranty: Warranty: two years