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 this market has been a concern. What's holding these "new users" back? Xiao Bian believes that cost is the main barrier. Recently, Cool LeTV launched a 1080P full HD flagship smart mini projector — the Cool Music R4/R4S series. With top-tier specifications at an affordable price, it has sparked a wave of interest in 1080P projectors.
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 sufficient for most home use. However, many smart projectors still operate at 720P resolution, which was once criticized as outdated. As smartphones and TVs moved to 1080P and even 4K, 720P began to feel inadequate. While there are a few 1080P models on the market, they often come with high price tags—between 4,000 and 7,000 yuan—which limits their appeal and hinders industry growth.
The Cool Music R4/R4S series uses the latest Texas Instruments DMD technology, offering a native 1920 × 1080p resolution and support for 3D and 4K display. With 880 ANSI lumens of brightness, it delivers sharp and vivid images even in well-lit environments. Priced at 3,299 and 3,799 yuan respectively, these models are positioned as a premium alternative to older 720P projectors. They offer a true 1080P experience at a price point that’s more accessible than previous generations, making them a great choice for new users who want quality without breaking the bank.
In terms of features, the R4 series supports auto-focus, real-time trapezoidal correction, active shutter 3D, wireless screen mirroring, and more. It also comes with a 64-bit MSTAR chip, Mali-T720 GPU, 2GB/3GB DDR4 RAM, and 16GB eMMC storage—making it one of the most powerful smart projectors available this year. The R4S model even includes dual-channel audio from US AR, delivering richer and more accurate sound.
On the optical side, Cool Music focused on realism, using a RGGB four-color channel design. They collaborated with senior optics experts to develop a 7-piece all-glass lens and a metal housing, ensuring long-term clarity and stability. This upgrade results in sharper, clearer visuals and a more refined overall optical performance.
With the release of the R4/R4S, the limitations of 720P projectors are becoming obsolete. It's time to say goodbye to 720P and welcome the era of 1080P smart projectors. Whether you're a tech enthusiast or a casual user, the R4/R4S offers a compelling blend of performance, price, and innovation that’s hard to ignore.
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