BenQ ScreenBar Max Review: A $289 Dual-Monitor Light Bar—Worth It?

You walk up to your desk, and before you even flip a switch, the light turns on by itself. This isn't science fiction—it's the mmWave sensor built into the BenQ ScreenBar Max at work, detecting the moment you sit down and gradually brightening the light rather than snapping fully on all at once. Engadget editor Max Miller, who tested the light bar for five days, said the feature initially made him wary, worried about false triggers or interruptions. But it turned out to work quite reliably: his desk sits near his bedroom door, and no matter how many times he walked in and out or pulled up his chair, the sensor never misfired—it only activated when he actually sat down.

The ScreenBar Max is one of two new screen light bars BenQ announced today, and it's the brand's first ScreenBar designed specifically for dual-monitor setups—the bar is long enough to span two screens and provide fill light for both at once. It combines two functions in one: bias lighting and desk lighting. The bias light illuminates the wall behind your monitor, reducing the contrast between screen brightness and surrounding darkness to ease eye strain from long hours of screen time, while the desk light helps you clearly see your keyboard, mouse, and paper documents.

The problem is the price. The ScreenBar Max costs $289, and adding the optional mounting arm tacks on another $39, making it BenQ's most expensive ScreenBar product to date. Miller states plainly in his review that the same budget could buy four or five cheaper lights—sure, the build quality wouldn't be identical, but most of the functionality would still be covered.

Sensing and Color Accuracy Are Its Strong Suits

The ScreenBar Max lets you adjust the brightness of the bias light and desk light separately, but color temperature is shared between the two, staying within a 2700K to 6000K range. To switch which light you're adjusting, you have to cycle through a mode button that toggles between "bias," "desk," and "both." Miller says this wouldn't be a knock against a cheaper light bar, but at this price point, it feels like one or two unnecessary extra steps.

Color accuracy, however, gave him nothing to complain about. BenQ's official specs list CRI at Ra≥95, Rf>96, and Rg around 100—"studio-grade," in his words—and throughout testing there was no glare, flickering, or heat buildup to speak of. The control panel also includes a sensor toggle, brightness and color temperature adjustment buttons, a one-touch shortcut that automatically dims to a 700 lux ambient brightness, a one-touch switch to a 4000K neutral white reading mode for screens, and customizable preset shortcuts for saving your own lighting scenes.

Mounting Flexibility Is Its Only Real Weak Point

The base uses a rotating, foldable C-clamp, and the power cable can be routed along the back of the light arm to the outlet, so installation itself isn't difficult. But Miller's desk already had a cable management box occupying the spot where he wanted to mount it, so he ended up installing it on his monitor riser instead. While the arm can extend forward quite a bit, if you have a wall-mounted monitor that needs to sit further back, the adjustable range starts to feel insufficient.

His test setup included a 27-inch ASUS IPS monitor paired with a 14.6-inch Samsung OLED tablet, mounted at a side angle as a secondary information display. The ScreenBar Max didn't cause noticeable glare on either screen—only the Samsung tablet's aluminum bezel picked up a slight reflection. Overall brightness was more than enough to cover the entire surface of his 63-inch Eureka Gaming desk.

Miller's conclusion is straightforward: the ScreenBar Max is indeed a top-tier light bar—he describes the experience of being "woken up" by the light as feeling like Iron Man, and the light quality really is gorgeous. But if he were paying out of his own pocket, he wouldn't pick this one, since the same budget could get comparable alternatives. His advice: if you can expense it to your company, go ahead and try it out; but if the price gives you pause, you're probably better off looking elsewhere.