2X2 TV Video Wall Controller Processor Splicer 4K 1x2 1x3 1x4 2x1 3x1 4x1 HDMI Audio Video Splicer splitter Switch with IR RS232. Model name: 4 Port HDMI Video Splicer. Input ports: HDMI x1, DC x1, RS232 x1. Output ports: HDMI x4, Optical x1, Coaxial x1, AUX x1. Input resolution format: 480i/480P/576i/720P/1080i/1080P@50/60fps, 2160P@24/25/30fps. Output resolution format: 1920 x 1080P@60fps. Deep color: 8/10/12Bit. Audio format: For Dolby AC3/DTS/LPCM Etc. Audio sampling rate: Support 24Bit/ 96kHz Max. Transmission bandwidth: 300MHz Max. Analog output level: 2V RMS (1kHz@0dB). Input cable length: 1080P/AWG 26 ≤10m. Output cable length: 1080P/AWG 26 ≤12m. Power adapter specification: Input: AC 100~240V Output: DC 12V/1.5A. Packing list: Manual, Power Adaptor, Remote.