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Cool music as released 1080P mobile projection R4/R4S starting price 2799 yuan
On December 1st, Cool Music unveiled two new smart mobile projectors, the R4 and R4S. Both models offer the same 1080P resolution and high brightness, rivaling top-tier projectors in their category. In terms of pricing, these devices are highly competitive, with Cool Music claiming they provide 1080P performance at a price typically associated with 720P models. The official prices for the R4 and R4S are set at 3,299 yuan and 3,799 yuan respectively. However, during the product launch, customers can enjoy discounted introductory prices of 2,799 yuan and 3,399 yuan.
The R4 and R4S share a similar design, with the main difference being their color options—R4 comes in bright silver, while R4S is available in bright black. Both models feature a sleek, cuboid-shaped chassis with smooth arcs, avoiding sharp edges to create a more refined look. The panels have a full metal texture, enhancing the overall modern and stylish appearance. A key highlight is the portability, featuring a built-in handle that makes it easy to carry around. Notably, the R4S includes a leather handle, adding an extra touch of elegance.
With a physical resolution of 1920x1080p, the R4 and R4S deliver impressive image quality. Additionally, both models boast high lumens, something rarely found in typical smart mobile projectors. The R4 offers 800 ANSI lumens, while the R4S reaches 880 ANSI lumens, allowing for excellent visibility even during daylight hours.
In terms of light source technology, Cool Music has taken a step forward by using a 4LED system with an innovative RGGB four-channel design. This setup supports high-current LEDs, resulting in a brightness improvement of approximately 70% compared to similar products. To ensure optical excellence, Cool Music collaborated with optical expert Ma Yongzhen, creating a 7-piece all-glass professional telecentric HD lens combined with a high-precision all-metal lens barrel. The optimized optical path and efficient dual-eye compound design significantly enhance clarity and reliability.
For smart hardware, the R4 and R4S are equipped with the latest Mstar 64-bit smart processor, offering up to 3GB of RAM and 16GB of storage. This configuration ensures smooth system performance and seamless video playback.
To enhance audio experience, Cool Music partnered with AR (Acoustic Research) to develop a dual-channel split-band HIFI stereo system. The unique speaker arrangement delivers true two-channel sound and cinema-quality surround sound, making the audio experience immersive and high-fidelity.
The lens cover design of the R4 and R4S is also distinctive. The phrase “film on the right, music on the left†perfectly describes the sliding lens cap mechanism. Sliding it to the right activates movie mode, while sliding it to the left switches to audio mode. It can also be used to turn off the light system, making it both convenient and user-friendly.
In terms of video content, the R4 and R4S are equally powerful, connecting to the GITV broadcast control platform. They offer access to over 120,000 TV episodes, 600 million movies, 80 million anime episodes, and 1,200 variety shows, ensuring a vast library to meet users' entertainment needs.
The user experience is further enhanced with features like trapezoidal correction, wireless screen mirroring, 3D display, electric/auto focus, and more, making daily use more intuitive and convenient.
Currently, the R4 and R4S are available on Tmall and JD.com. If you're interested, feel free to check them out! For more information on smart TVs and boxes, visit Smart TV Information Network, a leading platform for smart TV and box news, software, and reviews.
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