Model: 4T-B80CT1U
Contact us for pricing and availability. Availability is limited and is not guaranteed.
Looking for a powerful, yet affordable solution to make your classrooms and meeting rooms interactive? The Sharp 4T-B80CT1U is a perfect solution for those in search of a large format display that brings interactivity to any room. Plug and Play will let you unleash the interactive capabilities of your devices with easy setup and without the need to install drivers. Precise 20 point multi-touch functionality allows multiple people to collaborate effectively and creatively to facilitate effective learning. A powerful RS-232C and LAN command set enables flexible remote control from connected devices. When selected, “Public Mode” prevents unwanted operations by people in a classroom or any other public location.

*Screen image simulated
  • 80" Class (80.5" diagonal) Screen Size
  • Brilliant 4K-Ultra High Definition (3840 x 2160) LCD Display
  • Streamlined Design using Direct LED Backlighting
  • 20-Point Multi-Touch Screen
  • 3-Year Limited Warranty
  • 4,000:1 contrast ratio
  • Built-In 10W per Channel Stereo Audio System
  • Built-in Digital Tuner
  • RS-232C control capability
  • SHARP Pen Software
  • TAA compliant

Legal Disclaimer To California Residents
WARNING: This product can expose you to chemicals including Styrene and Formaldehyde (gas), which are known to the State of California to cause cancer, and Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov


Panel Technology TFT LCD Viewable Image Size 80 "
Aspect Ratio 16:9 Native Resolution 3840x2160
Supported Resolutions 640 x 480, 720 x 400, 800 x 600, 1024 x768, 1360 x 768, 1280 x 1024, 1400 x 1050, 1280 x 720p, 1920 x 1080, 1920 x 1080i, 1920 x 1080p, 3840 x 2160, 3840 x 2160p, 640 x 480p, 720 x 480p, 720 x 576p, 720(1440) x 480i, 720(1440) x 576i Module Resolution 3840 x 2160
Pixel Pitch 0.464 mm Backlight Type LED Direct-lit
Brightness (typical) 260 cd/m2 Contrast Ratio (typical) 4000:1
Viewing Angle (typical) 176°/176° (CR≧10) Response Time (Gray to Gray) 8 "
Refresh Rate 60Hz Active Screen Area 70.19" x 39.44" / 1782.82 x 1001.78 mm
Orientation Landscape Dimming Capability Global Dimming
Displayable Colors 1.07 billion  

Synchronization Range

Horizontal (Analog/Digital) 31.5kHz - 135.0kHz Vertical 24Hz-75Hz

Input Signal

Video Analog RGB (1.0 Vp-p) [75Ω]  

Signal Compatibility/Connectivity

PC Signal Compatibility Yes Macintosh Signal Compatibility Yes
Video Analog RGB (1.0 Vp-p) [75Ω] External Control LAN In/Out and RS232 In - Full external control capabilities
Input Terminals
HDMI 2.0 (2)
HDMI Audio x2
External Control:
RS-232C, LAN, IR Remote
USB 2.0 (Media Player, USB (Service), USB Type-C (Touch), USB 1 x 5V/2A Powered)
Output Terminals
3.5mm-diameter stereo mini jack x 1
External Control:
D-sub 9 pin x 1

Power Consumption (typical)

On 240W ECO Mode Standby 0.5W
Network Standby 0.5W Power Savings Mode 0.5 W

Physical Specifications

Bezel Width (Left/Right, Top/Bottom) 0.59 in./0.59 in., 0.59 in./0.63 in. : 15 mm/15 mm, 15 mm/16 mm Dimensions (WxHxD)
With stand:
72.9" x 3.6" x 42.5"
Without stand:
72.91 x 42.52 x 3.6 in. / 1852 x 1080 x 92 mm
78.3” W x 9.1” D x 47.3” H
Net Weight (with stand):
132 lbs.
Net Weight (without stand):
132 lbs. / 59.87 kg.
154.34 lbs.
VESA Hole Configuration 600mm x 400mm (M6 x 4-hole)

Environmental Conditions

Operating Temperature 32°F to 104°F (0°C to 40°C) Operating Humidity 20% to 80% (no condensation)

Limited Warranty (parts & labor)

3 years  

Additional Features

  • 4K Resolution
  • 4K Ready
  • 60 Hz LED Frame Rate
  • Built-In Closed Captioning
  • Built-In NTSC/ATSC analog/digital tuner
  • Built-In Speakers
  • Integrated MultiMedia Player
  • LED Backlight
  • Power Management
  • Programmable Timer
  • Sleep Timer
  • Wired Network Connection
  • TAA Compliant
  • RS-232C and LAN control capability
  • SHARP Pen Software®
  • Pen-on-paper®
  • Contrast Ratio (4000:1)


Display Technology TFT LCD  


  • Remote control unit :1
  • Remote control battery ("AAA"):2
  • Setup Guide: 1
  • RS232C conversion cable (3.5mm-diameter mini stereo jack): 1
  • Touch Pen: 2
  • USB cable:1
  • USB adapter:1
  • USB flash drive (Utility for Windows): 1
Optional Shuttle PN-SPCi5W10C8GB signage PC

Cooling Method

Fanless - Convection  

2022 Top New Technology (TNT) Awards Winners Announced at ISE
The Sharp 4T-B AQUOS BOARD Interactive Display Series is a winner of Commercial Integrators’ 2022 Top New Technology (TNT) Award in the “video monitor” category! The (TNT) Awards recognize new and outstanding products and services in the commercial and residential A/V industry.

  • Remote control unit :1
  • Remote control battery ("AAA"):2
  • Setup Guide: 1
  • RS232C conversion cable (3.5mm-diameter mini stereo jack): 1
  • Touch Pen: 2
  • USB cable:1
  • USB adapter:1
  • USB flash drive (Utility for Windows): 1
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