This year's CES 2018, Ali launched its new smart projection product - Tmall magic screen S1. It is understood that Tmall magic screen S1 uses LED light source, SLR lens-class all-glass lens, with "4D automatic trapezoidal correction" technology. Can project a 300-inch giant screen, the definition of the highest resolution 1080P resolution smart projection industry, the current price of this smart projector is 4999 yuan, is it worth buying? 
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
In terms of appearance, Tmall Magic Screen S1 lens design has automatic protection door, open / close at the same time, the electric door can automatically open / close, effectively protect the lens scratch and dust, to solve the user's lifting manual boot trouble. The overall size of the fuselage is 210 x 210 x 135mm, and the weight is about 2.6kg.
The S1 is equipped with a Harman Kardon JBL audio system on both sides of the fuselage. It has a high power of 10W and produces a louder sound. It is also supplemented by two bass diaphragms, and the high, medium and low frequency bands are more balanced. In addition, S1 has two modes, a key switch, short-press remote control, enter the projection mode; long press the key to start the audio mode, the user can use the S1 as a smart Bluetooth audio.
In terms of hardware configuration, S1 adopts the German OSRAM LED light source, which has a lifespan of 30,000 hours, 10 hours per day, and can be watched continuously for 8 years, eliminating the need for maintenance.
The lens uses a high-quality SLR camera-made high-quality glass lens set, which is more resistant to heat than the resin lens. Bid farewell to coke and virtual focus. The projection ratio is 0.8:1. It only takes 1.8 meters to project 100 inches. The screen has advantages over the mainstream 1.2:1 projection device. Through the principle of diffuse reflection imaging, the projection screen is stable and does not flicker, trapezoidal correction is 45° up and down, left and right, and you can enjoy a giant screen effect without leaving the house.
S1 with auto-focus function, configure professional HD camera module, real-time monitoring projection screen auto-focus, without frequent hands-on focusing, clear images can be presented.
S1 equipped with Amlogic professional audio and video decoding chip T96864bit Cortex-A53 4 cores, clocked at up to 1.8GHz, graphic display for Mail-830, optical contrast ratio of 800:1, light source brightness of 3,000 lumens, even during the day can cast a good picture effect.
Taken together, Tmall's magic screen S1 has the following advantages over the same level of competing products on the market:
1, symmetrical JBL sound, better sound quality, can be used as a smart Bluetooth audio.
2. The projection ratio is 0.8:1, and a larger screen can be projected at a shorter distance.
3, with auto focus and 4D trapezoidal correction, without frequent manual focus adjustment.
Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.
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