“BenQ LK935 Refurbished 4K Laser Projector – 5500 Lumens High-Brightness Home & Business Display”

Description:

The BenQ LK935 is a 5500-lumen 4K UHD laser projector designed for professional environments, particularly suited for hybrid meetings and video conferencing. Here are its key features:

Visual Performance

• Resolution: Native 4K UHD (3840×2160) with a 16:9 aspect ratio.
• Brightness: 5500 ANSI lumens, ensuring clear visuals even in well-lit rooms.
• Color Accuracy: 92% Rec.709 color coverage and 30-bit color depth (1.07 billion colors).
• HDR Support: Enhances contrast and detail in high-dynamic-range content.
• Pixel Density: Approximately 1,149 pixels per square inch on a 130” screen, delivering sharp and detailed images.

Design & Installation

• Lens Shift: Vertical ±60% and horizontal ±23% for flexible placement.
• Zoom: 1.6x optical zoom accommodates various room sizes.
• Keystone Correction: 3D, vertical ±30°, horizontal ±30°, and rotation ±30° for easy alignment.
• DustGuard™ Technology: IP5X-rated sealed laser engine provides dustproof protection, eliminating the need for filters .

Connectivity & Integration

• Inputs: Dual HDMI 2.0b (HDCP 2.2), DisplayPort, USB-A, LAN (RJ45), HDBaseT, RS-232, 3D sync, and audio inputs.
• Outputs: Audio out (3.5mm), USB-A, and 12V trigger.
• Control: Compatible with Crestron, AMX, PJ Link, and BenQ DMS Local for centralized management.

Audio & Durability

• Speaker: Built-in 10W mono speaker.
• Laser Light Source: Rated for 20,000 hours of use at full brightness.
• Noise Levels: 40 dB in normal mode and 33 dB in eco mode.
• Power Consumption: 440W at full brightness; less than 0.5W in standby.

Connectivity

• HDMI Inputs: 2x HDMI 2.0b (HDCP 2.2)
• DisplayPort: 1x DisplayPort 1.2
• HDBase: 1x DisplayPort 1.2
• LAN: 1x RJ45
• USB: 1x Type-A (5V/2A power)
• RS232: 1x DB-9pin
• 3D Sync: 1x In, Out (VESA)
• Audio Out: 1x 3.5mm mini jack
• 3 Year Warranty

Awards & Recognition

The LK935 received the 2024 SVC Innovative Product Award, highlighting its suitability for modern technology.