The BenQ MX620ST is a short-throw XGA DLP projector from BenQ's business/education series .
It's designed for small rooms, classrooms, conference setups, interactive whiteboards, or tight-space presentations—delivering large images from very close distances to avoid shadows and enable easy presenter interaction.
Key Specifications
  • Technology: Single-chip DLP (Texas Instruments) — reliable, good color accuracy, dust-resistant compared to LCD alternatives.
  • Resolution: Native XGA (1024x768), 4:3 aspect ratio (supports 16:9/16:10 compatibility; max input up to 1600x1200).
  • Brightness: 3,000 ANSI lumens — suitable for moderately lit rooms (projects well on 60–100" screens in ambient light).
  • Contrast Ratio: 13,000:1 (dynamic/FOFO) for decent image depth and text sharpness.
  • Throw Ratio: Short-throw ~0.9–1.08:1 (with 1.2x manual zoom) — e.g., ~55" image from about 1 meter (3.3 ft); 80–100" from 1.5–2 meters (5–6.5 ft).
  • Lamp Life: 4,500 hours normal / up to 10,000 hours in LampSave/SmartEco modes (190W UHP lamp).
  • Features:
    • Vertical keystone correction (±30° or similar; some auto modes).
    • 3D ready (DLP-Link glasses).
    • Built-in speaker (typically 2–10W, basic audio).
    • Connectivity: HDMI, VGA in/out, USB (Type A for reader/display, mini-B service), composite, audio in/out, RS-232.
    • SmartEco/LampSave for power/noise reduction.
  • Dimensions/Weight: Compact/portable ~287 x 115 x 233 mm (similar to MW632ST), around 2.6 kg (5.7 lbs) — easy tabletop or ceiling mount.
  • Other: Quiet operation (~29–33 dB), supports wireless display/USB reader in some modes.