I tested out the Hisense C1 4K Laser projector and it far exceeded my expectations. It has all of the ports you'll need to connect a soundbar, gaming console
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Hisense Cube C1 Smart Mini Projector 4K UHD Portable Triple Laser w/ Built-In Speakers 1600 ANSI Lumens
Hisense Cube C1 Smart Mini Projector 4K UHD Portable Triple Laser w/ Built-In Speakers 1600 ANSI Lumens
Hisense C1 Laser Mini Projector
Hisense C1 4K UHD Triple Color RGB Laser Portable Mini Projector, up to 300, Dolby Vision HDR10, 110% BT.2020 Color Gamut, 0.47 DMD DLP, 20w JBL Sound, Netflix, Auto Keystone Correction