In 2017, the LED intelligent micro-investment industry remained relatively quiet. While numerous new products hit the market, few truly stood out. However, Cool Music made a strong impression with its new flagship model, the R4, launched at the end of the year. From its initial announcement to its official release, the R4 has maintained a high level of buzz, with fans continuously discussing it on major online forums. Words like “Full HD,†“Reasonable Value,†and “The Most Affordable 1080P†have become common in conversations about the product.
So what makes Cool Music believe that the R4 is such a hot product? Let’s dive into the details from an exclusive interview with Xiaobian.
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One of the key reasons for the R4's appeal is its support for 1080P resolution, which is still rare in the smart micro-investment market. While most projectors use 720P or 800P resolutions, the demand for Full HD is growing. The R4 supports 1080P, 3D, and 4K, using DLP display technology with a physical resolution of 1920x1080. This makes it 2.5 times sharper than 720P models, marking a significant leap in image quality within the LED smart micro-investment sector.
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The R4 also features a 1.2:1 throw ratio, allowing users to easily set up a screen larger than 100 inches from just over 2 meters away. With a brightness of up to 880 ANSI lumens, it rivals many commercial projectors. Its LED light source lasts up to 30,000 hours—over 20 times longer than traditional halogen bulbs. The R4 also includes four-way keystone correction and auto-focus, ensuring a clear and square image without manual adjustments.
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To further enhance performance, Cool Music partnered with optical expert Mr. Ma Yongzheng to design a high-quality telephoto HD lens with an all-metal housing. This 7-piece glass lens improves clarity and transparency while reducing heat-related issues. The R4 also integrates 11 image optimization technologies, including HDR (High Dynamic Range), which significantly enhances color accuracy and realism.
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In terms of performance, the R4 is powered by a dual-core 64-bit Mstar smart system, paired with 3GB DDR4 RAM and 16GB eMMC storage. This combination ensures fast and stable operation. It also features US AR custom 10W dual-channel speakers, delivering immersive sound with a 360° coverage that brings nature’s sounds to life.
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Real-world performance
With such advanced features and a powerful configuration, the R4 is priced at just 3,000 yuan. It’s no surprise that many fans and netizens have called it one of the most anticipated smart micro projectors of 2017. By offering 1080P resolution at a 720P price point, Cool Music has fulfilled its mission to make Full HD more accessible. The R4’s launch marks the true rise of 1080P in the smart micro-investment market.
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