Can I connect this to my hdmi input on my soundbar?

Yes, the projector has HDMI input video connectors that can be used to connect to your soundbar.

What's the Lumens of this projector? You're comparing lux to lumen, which aren't comparable without surface area.

The light source brightness of the 2023 version M18 is 12000 lumen.

Questions & Answers: JIMTAB 2024 12000 Lux Native 1080P Video HD Projector, M18 Upgraded Home Theater Projector Support AV, VGA, USB, HDMI, Compatible with TVbox, Laptop, Tablet, iPhone and Android for Academic Display

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JIMTAB 2024 12000 Lux Native 1080P Video HD Projector, M18 Upgraded Home Theater Projector Support AV, VGA, USB, HDMI, Compatible with TVbox, Laptop, Tablet, iPhone and Android for Academic Display

[NATIVE RESOLUTION OF FULL HD 1920x1080] -With native resolution of 1920*1080 and contrast ratio of 5000:1, which is 3 times of more details than 720P projectors.Resolution support: 576i, 576p, 720i, 720p, 1080i, 1080p.
[2024 UPGRADE BRIGHTER AND CLEARER] - Upgrade from 4500 Lux to 12000 Lux Light source brightness, with real color 16777K. It provides you with more stunning images and videos.
[CONVENIENT UPGRADE And LOW POWER CONSUMPTION] - We have upgraded the electronic keystone correction from manual ±15° to electronic ±50°.M18 allows you to use a shorter distance to project a larger screen, and it can be placed in a corner.
[VERSATILE MULTIMEDIA CONNECTIVITY] - This HD projector supports HD/ SD/ USB/ AV/ VGA/ AUDIO OUT. M18 multimedia projector designed with dual HDMI and dual USB interfaces. USB can easily connect to mobile phones and smart devices for same-screen playback and multi-screen broadcast.HDMI can be connected to laptop, computer or other home hd audio device.

$299^.99 –