Optoma ZW350E WXGA DLP Laser Projector (4000 Lumens)

Optoma ZW350E WXGA DLP Laser Projector (4000 Lumens)

The Optoma ZW350e is a compact WXGA DLP laser projector built for conference rooms, boardrooms, classrooms and other spaces where presentations need to remain legible with the lights on. It produces 4,000 lumens from a DuraCore laser light source rated for up to 30,000 hours, removing the lamp replacements and gradual dimming associated with lamp-based projectors. Native resolution is WXGA at 1280 x 800 in a 16:10 aspect ratio, a format that matches many business laptops closely and displays spreadsheets, documents and slides without the letterboxing that a 4:3 projector imposes. An IP6X-rated dust-resistant optical engine, 24/7 and 360-degree operation capability and RS232 control place it firmly in the professional installation category rather than home entertainment.

Key features

• 4,000 lumens laser brightness: A DuraCore laser source rated for up to 30,000 hours supports lights-on viewing and long, maintenance-light service.
• WXGA native resolution: 1280 x 800 resolution in a native 16:10 aspect ratio, with 4:3 and 16:9 compatibility, 75 percent uniformity and 1,073.4 million displayable colours.
• High contrast: A contrast ratio of 300,000:1, rising to 2,000,000:1 dynamic, helps text and graphics retain definition against bright backgrounds.
• Flexible throw: A 1.54:1 to 1.72:1 throw ratio, 1.1x manual zoom and 21.85 to 24mm focal length cover screen sizes from 20 to 300 inches diagonal at 1 to 10 metres.
• IP6X dust resistance: The sealed, dust-resistant optical engine is certified to IP6X, an important consideration for ceiling-mounted projectors in dusty environments.
• Built-in 15W speaker: A single integrated speaker handles presentation audio without external speakers, while a 3.5mm output allows connection to a larger system.
• Dual HDMI inputs: Two HDMI 1.4a inputs with 3D support, a USB-A power output at 1.5A for a streaming dongle, and RS232 control for managed installations.
• 360-degree and 24/7 operation: The projector can operate in any orientation and is designed for continuous operation, subject to Optoma’s terms for that mode.

Image and lens

Vertical keystone correction of plus or minus 40 degrees helps square the image when the projector cannot sit perfectly level with the screen, although keeping correction modest preserves the most resolution. The native offset is 112 percent, and the scan ranges cover 15 to 140 kHz horizontal and 24 to 120 Hz vertical, accommodating a wide range of computer signals up to Full HD input. Noise levels are quoted at 27 dB minimum and 34 dB maximum, low enough that the projector should not compete with a presenter in a typical meeting room. Full 3D support is included for compatible content and glasses.

Installation and operation

At 274 x 216 x 114 mm and 3 kg net weight, the ZW350e is small enough for a ceiling mount, a shelf or movement between rooms. Its external power supply contributes to that compactness and to serviceability. Security features include a security bar, a Kensington lock slot and a password-protected interface. Auto power off turns the projector off after a set idle period, and standby consumption is below 0.5 watts, with operating consumption quoted between 88 and 139 watts. For managed buildings, RS232 allows the projector to be monitored and controlled alongside other room equipment.

Where it fits

This is a workhorse specification: bright enough for lit rooms, widescreen enough for modern laptops, and built around a light source intended to run for years with minimal attention. It suits organisations standardising meeting spaces, schools equipping classrooms and venues that need projection in portrait or unusual orientations. It is not a home cinema model, and its WXGA resolution should be matched to presentation and video content rather than to critical large-screen film viewing.

Considered as a whole, the ZW350e combines 4,000 lumens, a 30,000-hour laser engine, IP6X dust resistance and a compact 3 kg chassis into a projector designed to be installed, configured and then largely left alone while it does its job reliably day after day.