First, high input costs
At present, the price of low-end products for home projectors is between 1,000-3,000 yuan. Compared with current mainstream televisions, the price seems to be not much different, but if you count the curtains and brackets? The price is easily 5,000 yuan. This is just a 720P resolution home projector. If you want to buy a 1080P home projector, the price is another matter.
Second, the high cost of installation
After purchasing a home projector, will you ask yourself a few questions. 1. What size curtain should I buy? 2. What kind of installation method does the projector use? 3. How far is the projector projecting from the screen? If you want to go to the door to install the business, I am sorry, please pay for the installation cost, or else you have to start with yourself. Where can you start? Have to learn by yourself. Tired.
Third, high maintenance costs
During daily use, you should pay special attention not to get dust inside the projector, and do not dirty the screen. This will greatly affect the projection effect, and pay attention to the projector's use time, if you use the projector in one day. For a long time, the heat of the machine will be very serious, thus reducing the service life of the lamp. After each use, also cut off all power and put the machine in order to prevent children from touching.
Fourth, the use of high environmental requirements
Since home projectors are generally low in brightness, they are generally only used in dark environments. If you want to use them during the day, the picture you see will be heavily whitened and the results will be poor, unless you completely cover the light in the house. This requires you to buy curtains that can be completely shaded.
V. Low lamp life
The life span of a home projector is usually around 4000-6000 hours. Compared with the work time of a TV set up to 100,000 hours, it can be said to be pitiful. The price of replacing a projector lamp is about 800-1500. Changing twice is enough to buy a brand new TV.
Of course, using a home projector instead of a TV is not without benefits. For example, the night movie viewers see the screen effect will be very good, especially for playing 3D blockbusters, the kind of immersive feeling is simply unbearable. This attracted a lot of friends who liked movies. However, if you want to completely replace the status of television, it is impractical to look at the performance of home projectors.
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