<p>The <b>HDMI Matrix Switch 4x2</b> can connect 4 HD signal sources to 2 HD display terminals with optical fiber or stereo headphone output. It allows four HDMI devices to be switched or split easily to two HDMI compatible monitors or projectors. And any output port can realize independent audio output by optical fiber or stereo headphone.</p> <p><b>Features :</b></p> <p>★Support HDMI 1.4b/HDCP1.4</p> <p>★Support 3D video format</p> <p>★Support highest resolution up to 3840*2160/30Hz</p> <p>★Support 3.4Gbps x 3 data rate and tmds clock up to 340Mhz</p> <p>★Support deep color 8/10/12 bit</p> <p>★Support 2 HDMI audio outputs, 3.5mm earphone jack and optical output at same time</p> <p>★Support LPCM/Dobly/DTS 5.1 channel</p> <p>★Supports EDID control via EDID Selector.</p> <p><b>Specification:</b></p> <p>HDMI version:HDMI 1.4b</p> <p>HDMI resolution:up to 4Kx2K,3840*2160/30Hz</p> <p>Support video format:8/10/12 bit deep color</p> <p>Support audio format:LPCM/DTS/Dobly-AC3</p> <p>Max bandwidth:340MHz</p> <p>Max baud rate:3.4Gbps x 3</p> <p>Input cable distance: ≤10m AWG26 HDMI 1.4 standard cable</p> <p>Output cable distance:≤15m AWG26 HDMI 1.4 standard cable</p> <p><b>Package :</b></p> <p>1x4K HDMI Matrix 4X2</p> <p>1xIR Remote Control</p> <p>1x5V power adapter</p> <p>1xUser Manual</p> <p><b>Instruction of Buttons&LED:</b></p> <p>LED: In1-In 4 LED indicator is the corresponding input sources for OUT 1 or OUT 2</p> <p>Buttons:Key 1 or Key 2  is used to switch the corresponding input source for OUT 1  or OUT 2</p> <p>Note: Press Key 1 or Key 2  for around 5 seconds,it can switch audio channel between 5.1 and 2.1</p>