| model |
Changhong 42U2 |
Changhong 50U2 |
Changhong 40U2 |
| picture |
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| Price/merchant |
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| essential information |
| product positioning | LED TV, network TV, smart TV, UHD TV | LED TV, network TV, smart TV, UHD TV | LED TV, network TV, smart TV, UHD TV |
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| Screen size | 42 inches | 50 inches | 40 inches |
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| resolving power | 4K（3840*2160） | 4K（3840*2160） | 4K（3840*2160） |
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| Screen scale | 16:9 | 16:9 | 16:9 |
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| Backlight | LED | LED | LED |
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| Recommended viewing distance | 2-3 meters | 2.5-3.5m | 1.9-2.9m |
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| operating system | Android | Android | Android |
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| Time to market | 2015 | 2014 | 2015 |
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| Brand type | Domestic brands | | |
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| Screen display |
| Refresh rate | 60Hz | 60Hz | 60Hz |
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| contrast ratio | 10000:1 | 10000:1 | 10000:1 |
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| viewing angle | 178/178 degrees | 178/178 degrees | 178/178 degrees |
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| response time | 8ms | 4ms | 8ms |
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| Audio parameters |
| Volume control | support | support | support |
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| output power | 6W×2 | | 6W×2 |
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| Sound system | 5-segment equalization, surround sound | | 5-segment equalization, surround sound |
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| Wireless intelligence |
| Network function | Wired/WiFi | Wired/WiFi | Wired/WiFi |
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| USB media play | USB supports video format: MPEG-2, MPEG-4，H.264/H.265，RM/RMVB，H.265
USB supports audio formats: MPEG1/2 Layer1/2, MP3, Dolby (AC-3)
USB supports image formats: JPG, PNG, BMP | | USB supports video formats: MPEG-2, MPEG-4, RM/RMVB, etc
USB supports audio formats: MPEG1/2, Layer1/2, MP3, Dolby (AC-3) |
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| Airframe interface |
| HDMI interface | 2*HDMI | 3*HDMI | 2*HDMI |
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| network interface | 1 × network interface | 1 × network interface | 1 × network interface |
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| USB interface | 1 × USB2.0 interface
1 × USB3.0 interface | 3 × USB interface | 3 × USB interface |
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| Other interfaces | 1 × digital RF interface
1 × analog RF interface | AV input
AV output
Digital audio output
Chromatic aberration component | AV input
AV output
Digital audio output
Chromatic aberration component |
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| energy efficiency |
| Power performance | 110-240V | | 110-240V |
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| Product power consumption | 85W | | 85W |
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| standby power | ≤0.5W | | ≤0.5W |
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| Dimension and weight |
| Appearance design | Border material: high gloss plastic
Frame width: left and right: 10mm, top: 10mm, bottom: 16.8mm
Body thickness: 56mm at the thickest part of the machine
Base material: metal
Installation hole spacing: 200 * 200mm
Base configuration: built-in base | | Border material: high gloss plastic
Frame width: left and right: 10mm, top: 10mm, bottom: 16.8mm
Body thickness: 56mm at the thickest part of the machine
Base material: metal
Installation hole spacing: 200 * 200mm
Base configuration: built-in base |
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| Including base size | Including base: 948.7 × 609 × 205.6mm
Base excluded: 948.7 × 551 × 55mm | | Including base: 948.7 × 609 × 205.6mm
Base excluded: 948.7 × 551 × 55mm |
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| Package size | 1070×693×135mm | | 1070×693×135mm |
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| Including base weight | Including base: 13.8kg
Without base: 12.8kg | | Including base: 13.8kg
Without base: 12.8kg |
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| Package weight | 16kg | | 16kg |
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| TV accessories |
| Packing list | TV body x1
Remote control x1
Instruction x1
Warranty card x1 | TV body x1
Remote control x1
Instruction x1
Warranty card x1 | TV body x1
Remote control x1
Instruction x1
Warranty card x1 |
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| Warranty Information |
| warranty policy | National joint insurance, enjoying three guarantees service | National joint insurance, enjoying three guarantees service | National joint insurance, enjoying three guarantees service |
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| Warranty period | 1 year | 1 year | 1 year |
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| Warranty remarks | One year for the whole machine, three years for the display screen, backlight module, logic module and high-frequency tuner | One year for the whole machine, three years for the display screen, backlight module, logic module and high-frequency tuner | One year for the whole machine, three years for the display screen, backlight module, logic module and high-frequency tuner |
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| customer service telephone numbers | 400-811-1666 | 400-811-1666 | 400-811-1666 |
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| Phone notes | 24-hour service | 24-hour service | 24-hour service |
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| Details | If the TV product fails within the "three guarantees" period of validity, the user must enjoy free maintenance service with the purchase invoice and the product warranty repair sheet. When enjoying free maintenance service, the machine number of the repaired product must be consistent with that on the warranty. If there is no purchase invoice, the production date of the product model number shall be postponed for 3 months as the starting time of the "three guarantees" period of validity of the user's product; If the user has neither of them, he/she will not enjoy free maintenance service, and our company will implement charging service. Enter the official website>> | If the TV product fails within the "three guarantees" period of validity, the user must enjoy free maintenance service with the purchase invoice and the product warranty repair sheet. When enjoying free maintenance service, the machine number of the repaired product must be consistent with that on the warranty. If there is no purchase invoice, the production date of the product model number shall be postponed for 3 months as the starting time of the "three guarantees" period of validity of the user's product; If the user has neither of them, he/she will not enjoy free maintenance service, and our company will implement charging service. Enter the official website>> | If the TV product fails within the "three guarantees" period of validity, the user must enjoy free maintenance service with the purchase invoice and the product warranty repair sheet. When enjoying free maintenance service, the machine number of the repaired product must be consistent with that on the warranty. If there is no purchase invoice, the production date of the product model number shall be postponed for 3 months as the starting time of the "three guarantees" period of validity of the user's product; If the user has neither of them, he/she will not enjoy free maintenance service, and our company will implement charging service. Enter the official website>> |
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| model |
Changhong 42U2 |
Changhong 50U2 |
Changhong 40U2 |
