Cool open K50J LeTV S50 Air Hisense 50EC290N which is better?

Main parameter

Product positioning: Full HD TV, LED TV, Internet TV, Smart TV, Internet TV.

Screen size 50 inches

The resolution is1080p (1920 *1080).

Screen ratio 16:9

Panel Type Group Create Panel

Backlight LED light emitting diode

The recommended sight distance is 4.1-5.0m.

Image parameters

Refresh rate 60Hz

Contrast 1200: 1

Response time is 9 milliseconds.

Screen brightness 600cd/m2

Audio parameters

Surround sound effect of sound system

Output power 8W×2

Speakers 2 speakers

Sound function Dolby decoding: support

Functional parameters

Youpeng film and television intelligent application, supporting shopping remote binding and online on-demand

Intelligent interconnection and multi-screen interaction: DLNA, AirPlay, AirMirror, somatosensory games, multi-screen cloud enjoyment and fast control.

Network function cable /WiFi, 2.4GHz single-frequency WiFi.

USB media playback USB supports video formats: MVC, RMVB, RM, AVI, VOB, MPG, MKV, etc. Video hard decoding: supports H.264 and H.265 hard decoding.

USB supports audio formats: MP3, WMA, etc.

USB supports picture formats: JPG, JPEG, BMP, GIF.

Interface parameters

HDMI interface 2*HDMI

Network interface 1× network interface

USB interface 2×USB2.0 interface

Other interfaces 1×AV interface

Power consumption parameter

Power supply performance 220V

The power consumption of the product is100W.

Standby power consumption

Energy efficiency level 3 energy efficiency

hardware configuration

CPU quad-core CortexA7 1.2GHz, number of processor cores: 10.

GPU quad-core Mali450

Other processors Dual-core image quality processor

RAM 1GB dual-channel DDR3

ROM4GB eMMC high-speed flash memory, expandable storage: 2T USB

Operating system cool open 4.3, based on Android 4.4.

Letv S50 Air:

Main parameter

Product positioning: Full HD TV, LED TV, 3D TV, Internet TV, Smart TV, Internet TV.

Screen size 50 inches

The resolution is1080p (1920 *1080).

Screen ratio 16:9

Backlight LED light emitting diode

The recommended sight distance is 4.1-5.0m.

Image parameters

Contrast 1200: 1

Angle of view 178/ 178 degrees

Receiving standard ATV receiving format: PAL(D/K, I, B/G)/NTSC(M/N).

Digital TV reception format: DTMB (terrestrial digital TV)

Audio parameters

Sound system sound system: the third generation magic sound system

Dolby Professional Logic: dolby digital Plus

Surrounding system: DTS TruSurround(SRS)

DTS:DTS 2.0+ digital output

Output power 10W×2

4 speakers (2 midrange and 2 treble)

Functional parameters

Smart applications include games, photo albums, media centers, file management, system updates, weather, calendars, TV music beats, TV housekeepers, topics, settings, theme stores, playback records, news centers, novice guides, system screenshots, and Letv Cloud.

Intelligent interconnected multi-desktop, voice search, somatosensory control, social barrage.

Network function cable /WiFi: 2.4 GHz/5 GHz dual band, IEEE802. 1 1 b/g/n dual antenna.

2.4G module: super remote control receiving module.

Infrared: remote control receiving module

3D display support

USB media playback support

Digital integration support

Picture in picture support

Interface parameters

HDMI interface 2*HDMI 1.4

1*HDMI2.0

Network interface 1× 10/ 100M adaptive Ethernet port.

USB interface 2×USB2.0 interface

1×USB3.0 interface

Other interfaces 1× color difference input

1×VGA input

1× composite signal input (AV input)

1× computer audio input

1×RF input

1× optical fiber output

1× headphone output

1× coaxial output

Expansion card 1×SD/MMC card slot

1× super music king card slot

Power consumption parameter

Power supply performance 220V

The power consumption of the product is100W.

Standby power consumption

Energy efficiency grade 1 energy efficiency

Hisense 50EC290N:

Main parameter

Product positioning: Full HD TV, LED TV, Internet TV and smart TV.

Screen size 55 inches

The resolution is1080p (1920 *1080).

Screen ratio 16:9

Panel level A+ screen

Backlight LED light emitting diode

Backlight life is 654.38+ million hours.

The recommended sight distance is 4.1-5.0m.

Image parameters

Contrast 40000: 1

Angle of view 178/ 178 degrees

Response time is 4 milliseconds.

Screen brightness 800cd/m2

Scanning mode progressive scanning

Audio parameters

Sound system DTS/DBX-TV

Output power 10W×2

2 speakers

Five-level equalization of sound effect characteristics

Functional parameters

Network function wired /WiFi

USB media playback USB supporTS video formats: AVI, MPG, ts, MKV, MOV, MP4, RM, RMVB, FLV.

USB supports audio format: MP3

USB supports picture formats: JPEG, JPG.

Interface parameters

HDMI interface 2*HDMI

Network interface 1× network interface

USB interface 2×USB interface

Other interface 1× component input

1× audio input

1× debugging

1× power input

1× audio output

1× headphones

Power consumption parameter

Power supply performance 220V

The power consumption of the product is 145W.

Standby power consumption < 0.5

These three TVs are all good, but it is worth mentioning that cool open TV has 4,950 after-sales service outlets all over the country, basically covering all administrative units above the county level and most of the township level. After-sales service can be in place 24 hours in urban areas and 48 hours in towns and villages, which is still very reliable. Details about the specific price, model and configuration of cool open TV can be found in official website and cool open. You can log on to cool open Community Forum or follow cool open Community WeChat to see how to deal with some common problems.