Blackmagic Design ATEM Talkback Converter 4K; 4K signal converter / extender; Provides up to 8 cameras with SDI talkback using embedded audio channels 15 and 16 used on Blackmagic Studio Cameras and ATEM Camera Converters; Supports 12G-SDI for all SD, HD and Ultra HD formats up to 2160p/60 and provides BNC connectors for each camera as well as an optional fibre optic jack; allows connection of an additional SFP module to extend camera transmission for longer distances; With push-to-talk buttons; Supports common aviation headsets with 6.35mm TRS headphone jack and 5.23mm TRS microphone jack; Balanced XLR microphone jack on front panel; Built-in speakers; Inputs: ; Program input: 1x 10-bit SD/HD/Ultra HD 4K auto-switching program input from mixer, including tally data with audio embedded in 16 channels; Camera inputs: 8x 10-bit SD/HD/Ultra HD 4K auto-switching outputs with 16 channels of embedded audio; Fibre video input: 8 mono-mode fibre inputs for SD/HD/Ultra HD 4K, auto-switching, with LC jack; Fibre audio input: 8 mono-mode fibre camera audio inputs with LC jack (channels 1 and 2 are for camera audio, channels 15 and 16 are for intercom audio); Outputs:; Program output: 1x 10-bit SD/HD/Ultra HD 4K auto-switching programm output with loop-through to another ATEM Talkback Converter 4K; Camera output: 8x 10-bit SD/HD/Ultra HD 4K auto-switching outputs with 16 channels of embedded audio; Fibre optic video output: 8 mono-mode fibre outputs for SD/HD/Ultra HD 4K, auto-switching, with LC jack; fibre audio output: 8 mono-mode fibre outputs with LC jack (channels 1 and 2 are for camera audio, channels 15 and 16 are for intercom audio); compatible operating systems: Mac 10. 11 El Capitan, Mac 10.12 Sierra or later / Windows 8.1 and 10; Power supply: 100- 240 V AC input with redundant 12 - 31 V DC input (IEC power cable not included); Power consumption: 60 W; Dimensions: 482 (19"") x 44 (1U) x 160 mm; Weight: 2.3 kg; Note: SFP fibre optic modules are not included in delivery