Samsung's new Q990D soundbar has HDMI 2.1 connectivity, allows for 4K 120Hz passthrough
18.5 Inch Monitor 120HZ FHD HDR IPS Gaming Display with Dual Speakers – Millisecond Gaming
Crossover calibrating to 120Hz? : r/hometheater
Polk Audio TL1 100W Satellite Speaker, 120Hz-20kHz, Single, Black #AM1335 747192120887 | eBay
Amazon.com: 18.5 Inch Portable Monitor for Laptop, 120Hz 1080P w/VESA & Stand 180° Adjustable Travel Monitor for Laptop, Portable Computer IPS Display, External Monitor USB-C HDR HDMI Portable Screen w/Speakers : Electronics
Amazon.com: ApoJodly 8K HDMI ARC/eARC Cable for Soundbar 6.6FT, eARC HDMI Cable 2.1 Dolby Atmos 48Gbps High Speed HDMI Cord (8K@60Hz 4K@120Hz 2K 3D HDR HDCP 2.2&2.3) for Vizio Samsung Bose Sound
A new 4K 120Hz TV and new soundbar system makes the PS5 experience so much better! : r/playstation
Amazon.com: 2.5K 120Hz Portable Gaming Monitor, 16" 2560x1600 IPS Laptop Monitor, Dual USB C HDMI Game Play Second Screen Computer Display with Speakers, Travel Monitor for PC Phone PS4/5 Xbox Switch Steam
Amazon.com: 120Hz Portable Gaming Monitor, 16" 1920x1200 IPS Second Monitor for laptop, Dual USB C HDMI Computer Display with Speakers, Dual Game Screen Extender Travel Monitor for PC Phone PS5 Xbox Switch :