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Pro Settings & Hardware • 8 min read • 2026 Match Verified

DyAc+ vs ULMB 2: Backlight Strobing Technologies for Competitive Motion Clarity

Head-to-head evaluation of BenQ ZOWIE DyAc 2 versus NVIDIA ULMB 2 strobing. Ghosting elimination, brightness penalty, and CRT-like motion clarity.

M
Marcus "Echo" Thorne (Radiant Tier)
Hardware Engineer & Esports Input Latency Analyst
Published
Updated

The Pursuit of CRT-Level Motion Clarity

Modern LCD monitors suffer from sample-and-hold motion blur: because pixels remain illuminated continuously throughout each refresh cycle, our eyes track smooth motion and perceive blur. Backlight strobing solves this by flashing the backlight on only when pixel transitions are finished.

ZOWIE DyAc 2 vs NVIDIA ULMB 2

Feature ZOWIE DyAc 2 (XL2566X+) NVIDIA ULMB 2 (Asus PG248QP)
Strobe MechanismDual Backlight Independent DriveFull Refresh-Rate G-SYNC Strobing
Maximum Refresh400 Hz (Fast TN)540 Hz (Esports-TN)
Luminance RetentionHigh (~320 nits)High (~300 nits)
Crosstalk ControlSuperior Top & CenterUniform Full Panel

Recoil Control Advantage

When spraying an AK-47 in CS2, DyAc 2 eliminates reticle shaking blur, allowing you to see individual bullet impacts against background textures and adjust your downward pull with zero visual lag.

Marcus "Echo" Thorne

Radiant & Level 10 Verified

Hardware Engineer & Esports Input Latency Analyst

All tactics, crosshair codes, and sensitivity profiles on GameApp.pro undergo rigorous match testing in competitive Radiant (Valorant) and Faceit Level 10 (CS2) scrim environments. Tested across 50+ map rotations to eliminate confirmation bias.

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