GadgetGuiders

HDMI 2.1 Switches

We sweat compatibility: 4K120, VRR, ALLM, eARC handshakes, and cable sanity checks.

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HDMI 2.1 switch with eARC layout Consoles connect to a 2.1 switch; switch → TV HDMI 2.1; TV eARC → soundbar/AVR. Console A 4K120 + VRR Console B 4K120 + VRR HDMI 2.1 Switch 48 Gbps • 4K120 • VRR • (e)ARC TV HDMI 2.1 Input Soundbar / AVR eARC Use certified Ultra High Speed cables (≤3m)
Tip: keep the switch on a TV 2.1 port; eARC goes directly to the soundbar/AVR.

3×1 HDMI 2.1 Switch (Best Overall)

• 48 Gbps • 4K120/VRR • eARC passthrough
PS5XSXLG C2/C3

Stable hot‑plug behavior with LG C‑series, minimal EDID quirks. Use certified cables both sides.

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2×1 HDMI 2.1 Switch (Budget)

• 48 Gbps • 4K120/VRR • ARC only

Good if you don’t need eARC. If handshakes fail, power via wall adapter and shorten sink cable.

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Quick comparison

ModelPortseARCBest forNotes
3×1 Switch (Best Overall)3 in / 1 outYesPS5 + XSX + PC → LG C2/C3Stable hot‑plug; minimal EDID quirks
2×1 Switch (Budget)2 in / 1 outARC onlySingle console + streamingUse wall power if handshakes fail