In the current DAC market, the power of 680 is not small, nor is it the largest. However, there is no need to worry because Ranko's products have always maintained a very good characteristic - a robust sound. It should be noted that this robustness is just right, full of musicality, delightful, with good density, like a qigong master who has soft movements but a stable posture, without any signs of fatigue or chaos. It can fully support any large scene. Achieving this effect is not easy, as balancing the dimensions is like dancing on the edge of a knife - too tight and it becomes overwhelming, too loose and it becomes insignificant. Among the many products, only a few brands like Ranko have been able to consistently maintain and maximize this feature. This gives its products a unique stamp, unlike the sound directly produced by ESS chips, which stands out among the many similar products. Paired with a rounded and smooth tuning - crisp high frequencies, transparent vocals - it is simply satisfying! The guitar sounds amazing and the female vocals are stunning! Don't believe it? Some people say that the original sound is too blurry, but listening to this will make a big difference.

Next, the background of the 680 is very dark, the analysis is excellent, and it has strong dynamics. The overall sound presentation is very vivid and lively, whether it is vocals or classical playback, it is commendable, especially suitable for the replay of European and American pop songs. For example, its low frequency, although not a lot in terms of quantity, is deep, powerful, with good elasticity and plenty of details. It brings a good impact, it is also very crisp, without any muddiness, not overwhelming, and of high quality. When listening to the movie soundtrack "Zhuge Liang" from the film "Three Kingdoms: Resurrection of the Dragon," I was directly shocked by the sound at the beginning without any mental preparation, I got goosebumps all over my body, it was so sharp! What's even more rare is that the 680 is still very smooth under large dynamics, and it doesn't tire the ears even after listening for a long time. This includes listening to classic songs by Celine Dion, Michael Jackson, Zhou Huimin, Song Dongye, etc., and inexplicably feeling a kind of "refreshed" excitement.


The most surprising thing is that the replay of 680 was very live and infectious, like directly lighting up the BUFF in your hand, allowing you to witness the power of miracles, it's really worth it! For example, listening to British mezzo-soprano Katherine Jenkins' album "Living A Dream" was like stepping into a VIP box in a theater, it was so enjoyable. The impact was just as clear and rich as when I heard a Norwegian singer performing live at the Shanghai International Dance Center Theater, it was transparent, clear, full, and it touched people's hearts. Then, listening to the recent version of "Time To Say Goodbye" by Lin Zhi Xuan and Huang Xiao Yun, compared to the live version by Bocelli and Brightman, the difference between singing pop music with a beautiful voice and singing beautiful voice with pop music is obvious, no wonder it has been controversial.

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