Welcome to our website! As we have the ability to list over one million items on our website (our selection changes all of the time), it is not feasible for a company our size to record and playback the descriptions on every item on our website. However, if you are an American with a disability we are here to help you. Please call our disability services phone line at (785) 528-4246 during regular business hours and one of our kind and friendly personal shoppers will help you navigate through our website, help conduct advanced searches, help you choose the item you are looking for with the specifications you are seeking, read you the specifications of any item and consult with you about the products themselves. There is no charge for the help of this personal shopper for any American with a disability. Finally, your personal shopper will explain our Privacy Policy and Terms of Service, and help you place an order if you so desire.

54.64" (1387.80mm diagonal) Smart Platform with Embedded SoC Standard Premium LS75C Series



  • IP Streaming Protocol
  • Proxy Server
  • Mirroring
  • Soft AP

Quick Specs

  • Type: 50 - 59 LED-LCD TV
  • Width: 48.43"
  • Height: 28.11"
  • Depth: 1.26"
  • Energy Star Rated: No
  • Screen Size: 55"
  • Max Resolution: 1080P
  • Contrast Ratio: 1300:1

See More

IP Streaming Protocol

Various types of IP video streaming protocol are supported, such as RTSP/RTP, MMS, HLS and MPEG-2 TS*.

*RTSP (Real-Time Streaming Protocol), RTP (Real-time Transport Protocol), MMS (Microsoft Media Server), HLS (http live streaming)

Secure Communication Protocol

By supporting HTTPS* protocol, communication between server and signage is more secure.

*HTTPS: Hypertext Transfer Protocol over Secure Socket Layer

Proxy Server

Web access speed and security can be improved by supporting Proxy Server (A server that acts as an intermediary for requests from clients seeking resources from other servers.)


Content sharing is more convenient on a Wi-Fi network.

Soft AP

The LS75C with Soft AP software can operate as a wireless access point for mobile devices.

Simple Installation

Installation has been simplified by removing the external media player and Ethernet/RS232C cables.

Wi-Fi (requires external dongle): (removing Ethernet or RS232C cables) 802.11n (2.4 GHz/5 GHz)


With BEACON and Bluetooth Low Energy (BLE) supported by LS75C*, retail stores can provide coupons and information in real time. When Wi-Fi dongle is connected, the BEACON is available.

* LS75C is enhanced to support ibeacon** and Eddystone***
** iBeacon: Bluetooth Low Energy beacon profile released by Apple in 2013
*** Eddystone: Bluetooth Low Energy beacon profile released by Google in 2015

Slimmer Even Bezel & Depth

The thinner bezel & depth allows a perfect fit for a sleek look.

Detachable Logo

Portrait mode allows the logo to be positioned in the desired setting.


  • IP Streaming Protocol
  • Proxy Server
  • Mirroring
  • Soft AP
  • Simple Installation
Screen Size 54.64 inches (1387.80mm) diagonal
Panel Technology IPS
Aspect Ratio 16 : 9
Native Resolution 1,920 x 1,080 (FHD)
Brightness 700 cd/m2
Contrast Ratio 1,300:1
Viewing Angle (HxV) 178 x 178
Response Time 1 ms (G to G), 8 ms (MPRT)
Surface Treatment Hard Coating (3H), Anti-Glare Treatment of the Front Polarizer (Haze 10%)
Life time (Typ.) 50,000 Hrs min.
Operation Hours 24 Hrs / 7 Days
Orientation Portrait & Landscape
Input HDMI (2), DP, DVI-D, Audio in, OPS
External Control RS232C in/out, RJ45, IR / Light sensor, Pixel sensor, USB 3.0
Output DP, External Speaker out
Bezel Color Black
Bezel Width 7.4 mm (T/L/R/B even)
Monitor Dimension (W x H x D) 1,230 x 714 x 32 mm
Weight (Head) 20.7 kg
Monitor with Optional Stand Dimensions (W x H x D) 1,230 x 776 x 298 mm
Weight (Head+Stand) 22.1 kg
Carton Dimensions (W x H x D) 1,330 x 815 x 174 mm
Packed Weight 25.2 kg
VESA Standard Mount Interface 400mm x 400mm
Yes Temperature sensor, Auto brightness sensor, Tile Mode, DPM select, DPM wake up, Energy saving, Smart energy saving, File play with USB, PIP/PBP(2), Internal memory 16GB (System 4GB + Available 12GB), Wi-Fi dongle ready (802.11n) , USB cloning, Fail over
Operating Temperature 0°C t o 40°C
Operating Humidity 10% t o 80%
Power Supply 100-240V~, 50/60Hz
Power Type Built-In Power
Power Consumption-Typ 140 W (TBD)
Power Consumption Smart Energy Saving 100 W (TBD)
Safety UL / cUL / CB / TUV / KC
EMC FCC Class "A" / CE / KCC
ErP / Energy Star NA / Yes (Energy Star 7.0)
OPS Type Compatible Yes
External Media player Attachable Yes (MP500/MP700)
SuperSign W/Lite Yes
SuperSign C Yes
Basic Remote controller (2ea batteries included), Power cord, IR/Light sensor receiver, QSG, Regular book (depend on regional standard), HDMI cable
Optional SP-2100 (External speaker), ST-200T, AN-WF500 (Wi-Fi USB dongle), KT-OPSA (OPS kits), KT-SP0 (Pixel sensor)
55LS75C-B 7 191926 0629 6

Quick Specs

  • Appearance

  • Type: 50 - 59 LED-LCD TV

  • Dimensions

  • Width: 48.43"
  • Height: 28.11"
  • Depth: 1.26"

  • Features

  • Energy Star Rated: No

  • Size

  • Screen Size: 55"

  • Panel

  • Max Resolution: 1080P
  • Contrast Ratio: 1300:1


Case Study



Get Adobe Reader

* Documents require Adobe Reader.

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.