โปรเจคเตอร์ ยี่ห้อ Viewsonic รุ่น PX749-4K
- Designed for Xbox for the ultimate gaming experience
- Immersive audiovisual enjoyment with 4K HDR and Harman-tuned speaker
- Up-to-300″ screen size with 4,000 ANSI Lumens to maximize fun at home
- 4.2ms Ultra-Fast Input & 240Hz high refresh rate
- Direct big-screen streaming via USB-C
- Flexible installation: 1.3x optical zoom, warping adjustment and side projection capabilities
- Zoom/Focus Ring
- Power Key
- Keypad
- Adjustment Foot
- Lens
- Front IR
- Audio Out
- HDMI 2.0/ HDCP2.2 x 2
- USB-C (5V/1A)
- RS232
- 12V Out
- USB-A (5V/1.5A, Service)
- RJ45
- AC In
- Kensington Lock
Specification
- Projection System: 0.47″ 4K-UHD
- Native Resolution: 3840×2160
- Brightness: 4000 (ANSI Lumens)
- Contrast Ratio with SuperEco Mode: 12000:1
- Display Color: 1.07 Billion Colors
- Light Source Type: 240W UHP Lamp
- Light Source Life (hours) with Normal Mode: 4000
- Light Source Life (hours) with SuperEco Mode: 20000
- Lens: F=1.94-2.12, f=12-15.6mm
- Projection Offset: 120%+/-6%
- Throw Ratio: 1.13-1.47
- Optical Zoom: 1.3x
- Digital Zoom: 0.8x-2.0x
- Image Size: 30″-300″
- Throw Distance: 0.75m-9.76m
(100″@2.50m) - Keystone: H:+/-40° , V:+/-40°
- Audible Noise (Normal): 33dB
- Audible Noise (Eco): 28dB
- Input Lag: 4.2ms
- Resolution Support: VGA(640 x 480) to 4K(3840 x 2160)
- HDTV Compatibility: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p, 2160p
- Horizontal Frequency: 15K-135KHz
- Vertical Scan Rate: 23-240Hz
- HDMI: 2
(HDMI 2.0, HDCP 1.4/2.2) - USB Type C: 1 (5V/2A)
- Audio-out (3.5mm): 1
- Speaker: 10W Cube
- USB Type A (Power): 1 (5V/1.5A)
- 12V Trigger (3.5mm): 1
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