1. Appearance display of Danghbei K1 projector

The body color of Dangbei K1 projector is mainly dark gray, the surface is made of fireproof plastic, and the frame of the whole machine is made of metal. From the aspects of material and technology, it reflects the nobility of 4K master UHD. The size of bare metal is 253mm,204mm,141mm and the weight is 3.2kg.

The front of Dangbei K1 projector is a 4K resolution lens, which is composed of nine special glass lenses to ensure excellent light transmittance. Next to the lens is the dual TOF laser + CMOS camera module and Dangbei’s logo. There is a row of honeycomb openings at the bottom and 4K icons are attached.

The back of Dangbei K1 projector is the interface and heat dissipation. The interfaces are mainly LAN network interface, S / PDIF optical fiber interface, 3.5mm audio interface, two USB interfaces, two HDMI interfaces and the last power interface.

There is a physically pressed on-off key on the top of the Dangbei K1 projector. The red light indicates the standby state and the white indicates the power on state. There are also four touch buttons, namely volume increase and decrease button, Bluetooth on key and pause play key, which are lit by white light.

2. Experience of Dangbei K1 projector system

Dangbei K1 projector has built-in Dangbei OS and is deeply customized based on Android 8.0. The processor uses the flagship TV chip mstar848, the GPU of mali-g51, the ram is 3gb DDR4, and the ROM is 64g EMMC. The high configuration brings the extremely fast control experience, and can easily decode high-definition video.

Dangbei OS covers many resources, with more than 7 million hours of film and television resources; Mainstream video platforms can support it, which can fully meet the viewing needs of users. Rich resources are the advantages of Dangbei OS, and its characteristic functions are another advantage. Dangbei OS supports functions such as free to see, picture in picture (floating window playback), content preview, desktop DIY, sports event customization, remote home watching, and will also launch Viper sound effect one after another

The system supports the installation of third-party applications, which can be directly installed in the Dangbei market through voice, and more third-party TV applications can be downloaded in the Dangbei market. Before installing third-party software through USB, remember to enable allowing third-party application installation in settings.

3. Dangbei K1 projector image quality

The light machine of Dangbei K1 projector adopts OSRAM four channel high-power LED light source, and the brightness reaches 1850ansi lumens. 4K DLP imaging scheme is adopted, which is also the mainstream 4K projection imaging scheme at present, which can present 4K UHD ultra-clear image quality. Image technology supports HDR10 + HLG high dynamic optimization, which plays an optimization effect on the brightness and color of the picture.

The overall picture performance is satisfactory. 4K resolution can show more details. The water droplets on the leaves and the veins of the leaves can be restored, with clear and sharp image quality effect. High contrast, rich colors, the picture reflects a more layered sense. Landscape screen photography shows a transparent and pure picture, and the color is very accurate. The overall performance effect is still very satisfactory.

4. Evaluation summary of Dangbei K1 projector

From the whole experience of appearance, system and image quality, Dangbei K1 projector can satisfy users with noble fuselage design, smooth operation experience, clear and sharp image quality effect.