In the past two years, smart mini projectors have seen significant progress in design, functionality, and user experience. However, despite millions of units shipped in 2017, the growth of new users in the market remains a concern. What’s holding back these "new users" from making a purchase? Xiao Bian believes that cost is the main factor. Recently, Cool LeTV launched its 1080P full HD smart micro-projector, the Cool Music R4/R4S series. With top-tier specs and an affordable price, it has sparked a trend in 1080P smart projection.
The key performance indicators for LED smart projectors are brightness and resolution. Over the years, brightness has improved significantly, reaching around 700–1100 ANSI lumens, which is now considered suitable for most environments. However, the majority of smart projectors still operate at 720P resolution, a stage that once faced criticism from users who said, “My phone is 1080P/2K, my TV is 4K—why settle for 720P?†While a few 1080P models exist on the market, they often come with high price tags, ranging from 4,000 to 7,000 yuan, making them inaccessible to many. This high cost has been one of the major barriers to the industry's growth.
The Cool Music R4/R4S series uses the latest Texas Instruments DMD technology, offering a native resolution of 1920 × 1080p and supporting 3D and 4K display. With a brightness of 880 ANSI lumens, it delivers sharp and vivid images even in daylight. Priced at 3,299 and 3,799 yuan respectively, these models are available without major discounts during the Spring Festival period. By offering 1080P features at a price comparable to previous 720P models, Cool LeTV is targeting new users who might have previously opted for cheaper 480P projectors.
In terms of configuration, the R4 series supports auto-focus, real-time dynamic focus, trapezoidal correction, active shutter 3D, and wireless screen mirroring. It features a 1.2:1 throw ratio, a 64-bit MSTAR intelligent system, Mali-T720 GPU, 2GB/3GB DDR4 RAM, and 16GB eMMC storage—making it one of the most powerful smart projectors of the year. The R4S also includes a dual-channel audio system from US AR, delivering rich and accurate bass.
On the optical side, Cool Music focused on enhancing image realism through a RGGB four-color channel design. They collaborated with senior optics experts to create a 7-piece all-glass lens and an all-metal lens barrel for the R4, ensuring long-term clarity and stability. This results in a sharper, more transparent image and a significant improvement in overall optical quality.
With the launch of the R4/R4S series, the advantages of 720P projectors are fading. At this point, we can confidently say goodbye to 720P and welcome the era of 1080P smart projection.
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