Monday, March 19, 2018

Sharp LC-43LBU591U Roku HDTV Review, Specs and Manual


This is the Sharp 42.5-inch HDTV that is powered by Roku as its smart platform and user interface. Stream and Watch HD movies with its maximum 4K resolution. It has great contrast and vibrant color production that makes it special from other HDTV in its class.


Brilliant 4K

This feature allows for more accurate 4K color production that is much more distinctive and striking to the eyes, rather than normal plain standard looking color.

High Dynamic Range

It allows for more contrast in all scenes, darker scenes shows more detail and brighter scenes are equalized to suit your eyes. HDR works similar to high end camera or even your phone has a HDR mode.

Roku Smart Platform

Instead of buying another Roku TV box or other streaming box, this HDTV has a built-in Roku interface. Which allows you to easily access thousands or even millions content online. Stream 4K movies directly on the Sharp HDTV. Roku is a much more easy to use and user friendly interface compared to other stock user interface on other HDTV's.

Mobile App

Download the Smart HDTV app and you can use your smartphone as a remote or you can even mirror or cast your smartphone directly to the HDTV without any wires or complicated setup.

Wide Viewing Angle

It has a 178° viewing angle, which translates that even when you are not centered on a seat in parallel to the TV, you will still enjoy viewing it without experiencing any color loss or blurred image quality.

Technical Specifications

Manufacturer Sharp
Model LC-43LBU591U
Screen Size 42.5 Inch (Class 43”) LED
Screen Resolution 3840 x 2160 (2160p)
Viewing Technologies
  • Brilliant 4K
  • High Dynamic Range (HDR)
  • Game Mode
Refresh Rate 60Hz
Response Time 8ms
Aspect Ratio 16:9
Contrast Ratio 4000:1
User Interface Roku Smart TV
Connectivity Wi-Fi
Built-in Speaker Output Power Dual 8 Watts
Audio Technologies
  • DTS Studio Sound
Inputs and Outputs
  • 3x HDMI
  • 1x Composite
  • 1x USB Port
  • Antenna Input
  • 3.5mm Headphone Jack
  • 1x Analog Audio
  • 1x Digital Audio (Optical)
Dimension (H x W x D)
  • 22.4 x 38.2 x 3.5 in (Without Stand)
  • 23.9 x 38.2 x 7.6 (With Stand)
  • 21.6 lbs (Without Stand)
  • 22.3 lbs. (With Stand)
Power Rating 120 Watts (Average)
Vesa Wall Mount 200 x 200mm

See Full Specs here


  • It has built-in Roku as its stock user interface
  • Image quality is sharp and clear
  • Color production is excellent


  • It only has 1 USB port
  • The included remote control is not as user friendly
  • Speakers are not the great sounding and lacks volume


If you need a simple to use but excellent picture quality HDTV, then the Sharp LC-43LBU591U is for you. With the built-in Roku interface you have instant access to major online streaming video services on the internet. Although there are some drawbacks, for one the speakers are not that loud enough and you definitely need a external speaker setup for this TV. Also there is only 1 USB port not good if you need to plug additional peripherals or needed a usb to power up your device..


Sharp LC-43LBU591U User Manual

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