This product supports two application scenarios: EARC splitter 1X8 and HDMI switcher 8X1. When the eARC splitter 1X8 is used, the EARC signal of the TV can be assigned to 8 amplifiers or sound bars through this splitter, which can support 8 amplifiers or sound bars to sound at the same time. When HDMI switcher 8 x1 is used, it can send any of the 8 HDMI signals to the display terminal, supports HD formats including 4K/60Hz, 4K/30Hz, 1080P, 1080I, 720P. Features: Support Compatible-HDCP2.2, HDR10; Support 4K/60Hz; Support HDMI signal switching, audio return signal distribution; Support 3D video format; Support ARC/EARC (power amplifier, sound bar etc.); Support EARC splitter function, can return EARC, ARC signal to 8 amplifiers or Sound bar; Support audio return only through HDMI signal source not through the display device; Support 3.5 stereo, coaxial, fiber audio output. Specifications: HDMI resolution: 4K@60Hz/4K@30Hz/1080P/1080I/720P; Support video format: 24/30/36 bit deep color; Support audio format: Compatible-DTS-HD/Dolby-trueHD/DTS/Dolby-AC3/DSD; Maximum bandwidth: 600MHz; Max baud rate: 6Gbps; Input cable distance: ≤8m AWG26 HDMI standard cable (4K/30Hz); ≤3m 2.0 HDMI Standard cable (4K/60Hz); Output cable distance: ≤8m AWG26 HDMI standard cable (4K/30Hz); ≤5m 2.0 HDMI Standard cable (4K/60Hz); Max working current: 2.2A; Power adapter format: Input: AC (50HZ, 60HZ) 100V-240V; Output: DC5V/3A. Package: EARC splitter, IR Remote Control (without battery), 5V power adapter, Manual.