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Dahua LPH75-ST420-S3: 75 Inch Interactive Display
Model LPH75-ST420-S3
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Availability: Out of Stock
- 75-Inch 4K UHD Display: Enjoy ultra-clear visuals with a large, immersive screen for presentations and lessons
- Multi-Touch Technology: Supports simultaneous input from multiple users for interactive collaboration
- Android-Based Operating System: Access a variety of productivity and educational apps with ease
- Wireless Screen Sharing: Effortlessly mirror devices for seamless content sharing during meetings
Product Overview
Overview
The Dahua LPH75-ST420-S3 is a 75 inch interactive display. This intuitive interactive display offers a vibrant 75-inch 4K UHD touchscreen that brings content to life with stunning clarity and responsive performance. The advanced multi-touch technology supports seamless writing and drawing for multiple users, making brainstorming and presentations more engaging.
Corporate AV supplies, installs and supports the Dahua LPH75-ST420-S3 across India. Request a quote for supply, installation and commissioning.
Key features
- 75-Inch 4K UHD Display - Enjoy ultra-clear visuals with a large, immersive screen for presentations and lessons.
- Multi-Touch Technology - Supports simultaneous input from multiple users for interactive collaboration.
- Android-Based Operating System - Access a variety of productivity and educational apps with ease.
- Wireless Screen Sharing - Effortlessly mirror devices for seamless content sharing during meetings.
- Integrated Audio Speakers - Built-in speakers deliver loud, clear sound for multimedia and video conferencing.
- Digital Whiteboard Tools - Annotate, draw, and take notes directly on the screen and save your work instantly.
- Multiple Connectivity Ports - Includes HDMI, USB, and LAN inputs for easy integration with your devices.
- Durable, Sleek Design - Modern, slim profile fits perfectly in classrooms, meeting rooms, and conference halls.
Why choose the LPH75-ST420-S3
It is a 75 inch interactive display for presentations, whiteboarding and collaboration in meeting rooms and classrooms. Corporate AV adds a site survey, installation and support across India, so the LPH75-ST420-S3 is specified and installed for your space and not just shipped.
Product Highlights
Key Benefits
75-Inch 4K UHD Display: Enjoy ultra-clear visuals with a large, immersive screen for presentations and lessons
Multi-Touch Technology: Supports simultaneous input from multiple users for interactive collaboration
Android-Based Operating System: Access a variety of productivity and educational apps with ease
Wireless Screen Sharing: Effortlessly mirror devices for seamless content sharing during meetings
Integrated Audio Speakers: Built-in speakers deliver loud, clear sound for multimedia and video conferencing
Use Cases
Ideal Applications
Boardrooms and meeting rooms
Classrooms and training rooms
Digital whiteboarding and brainstorming
Hybrid and remote collaboration
Technical Details
Technical Specifications
Display
Panel Dimensions
65 inch; 75 inch; 86 inch
Backlight
DLED
Aspect Ratio
16:09
Brightness
400 cd/m² (typ.)
Contrast
VA: 4000; IPS: 1200
Resolution
3840 × 2160
Viewing Angle
178° (H) / 178° (V)
Lifespan
50,000 hours
Display Color
1.07 B
Refresh Rate
60 Hz
System
Operating System
Android 11
CPU
Quad-core A55
CPU Frequency
1.9 GHz
GPU
ARM Mali-G52 MP2 (2EE)
RAM
8 GB (optional 4 GB)
ROM
64 GB (optional 32 GB)
Audio
Built-in Speaker
2
Power
2.0 sound channel, front-end: 2 × 15 W
Media functions
IR Receiver
Yes
Bluetooth
Bluetooth 5.2
Wi-Fi
WIFI 5, 2.4 GHz/5 GHz; Integrated WiFi 802.11 b/g/n/ac, supports PEAP/EAP-GTC authentication protocol within 802.lX
Wireless Access Point
WIFI 5, 2.4 GHz/5 GHz; Supports enabling Hotspot and Wi-Fi at the same time
Connectivity
Light Sensor
Yes
Front Button
8 buttons (power, home, menu, signal source, touch lock, curtain, volume, and annotation)
Front Ports
Type C × 1 (4K@60 Hz, Touch) HDMI In × 1 (4K@60 Hz) USB 3.0 Type-B × 1 (Touch) USB 3.0 Type A × 2 Mic In × 1 (3.5 mm port)
General
Power Supply
100–240 VAC, 50/60 Hz
Power Consumption
65-inch: 120 W (typ.); 200 W (max.) 75-inch: 150 W (typ.); 300 W (max.) 86-inch: 200 W (typ.); 400 W (max.)
Standby Power Consumption
≤0.5 W
Operating Temperature
0 °C to +40 °C (+32 °F to +104 °F)
Storage Temperature
–10 °C to +50 °C (+14 °F to +122 °F)
Operating Humidity
10%–90% (RH)
Storage Humidity
10%–90% (RH)
Product Material
Metal
Glass
4 mm Anti-dazzle tempered glass
Casing Color (Frame/Rear)
Bottom/top: Silver; left/right: black; back: black
Product Dimensions
65-inch: 1,485.2 mm × 93.0 mm × 924.5 mm (58.47" × 3.66" × 36.40") 75-inch: 1,707.5 mm × 93.0 mm × 1,050.0 mm (67.22" × 3.66" × 41.34") 86-inch: 1,953.2 mm × 93.0 mm × 1,187.9 mm (76.90" × 3.66" × 46.77")
Net Weight
65-inch: 40 kg (88.19 lb) 75-inch: 52 kg (114.64 lb) 86-inch: 68 kg (149.92 lb)
Holes Distance
65-inch: 500 mm × 400 mm (19.69" × 15.75") 75-inch: 600 mm × 400 mm (23.62" × 15.75") 86-inch: 800 mm × 400 mm (31.50" × 15.75")
Installation
Wall mount; mobile bracket
Certifications
Certifications
CE, CB, Energy Star, ERP, RoHS, WEEE
Other specifications
Category
Interactive Display, Dahua
Touchscreen
Response Time
≤10 ms
Touch Technology Type
Infrared touch technology
Attachment Method
Zero Air Gap
Touch Points
Android: 32, Windows: 40
Touch Accuracy
± 1 mm (over 90% Area)
Valid Touch
2 mm
Writing Mode
Finger + Pen (attaches magnetically)
Communication Mode
USB
Anti-light Interference
Anti-dazzle tempered glass
Surface Hardness
8H
Touch Resolution
32767 × 32767
Why CorporateAV?
Sourced right. Installed right.
Genuine Manufacturer Stock
Every unit sourced through authorized distribution, backed by manufacturer warranty.
Expert AV Integration
Paired correctly with compatible systems and your room's existing AV infrastructure.
Pan-India Delivery & Support
On-site installation and ongoing technical support wherever your project is based.
More Details
Additional Information
Why Buy The LPH75-ST420-S3 From Corporate AV?
- Genuine Dahua stock with manufacturer warranty support
- Custom pricing for bulk and multi-room / multi-site rollouts
- Local after-sales support — a real team you can call or WhatsApp, not a call centre
- Expert guidance on product selection and deployment planning
- Professional installation across Bangalore, Hyderabad, Mumbai, Delhi NCR, and the wider India region
Distribution
Corporate AV supplies and installs Dahua products across Bangalore, Hyderabad, Mumbai, Delhi NCR, Chennai, Pune, Kolkata, Ahmedabad, and the wider India region.
Frequently Asked Questions
What is the Dahua LPH75-ST420-S3?
The Dahua LPH75-ST420-S3 is a 75 inch interactive display. This intuitive interactive display offers a vibrant 75-inch 4K UHD touchscreen that brings content to life with stunning clarity and responsive performance. The advanced multi-touch technology supports seamless writing and drawing for multiple users, making brainstorming and presentations more engaging.
Who is the Dahua LPH75-ST420-S3 best suited for?
The LPH75-ST420-S3 suits boardrooms and meeting rooms, classrooms and training rooms and digital whiteboarding and brainstorming. Corporate AV can advise whether it is the right fit for your space.
Can Corporate AV supply multiple Dahua LPH75-ST420-S3 units for a rollout?
Yes. Corporate AV supplies and integrates the Dahua LPH75-ST420-S3 in single units and multi-room rollouts across India, with a site survey, installation, commissioning and support.
How do I get a quote for the Dahua LPH75-ST420-S3 in India?
Use the Request a Quote button on this page or contact Corporate AV with your room details and quantity, and a consultant will respond with a quotation for supply and installation.
What are the key specifications of the Dahua LPH75-ST420-S3?
These key specifications are listed for the Dahua LPH75-ST420-S3. Operating System: Android 11. CPU: Quad-core A55. CPU Frequency: 1.9 GHz. RAM: 8 GB (optional 4 GB). ROM: 64 GB (optional 32 GB).
