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About this gear
The RU7 is an updated USB DAC/amplifier dongle that refines the RU6 formula with improved components and likely enhanced power delivery and sound quality. It bridges the gap between budget-conscious listeners and those wanting tangible sonic improvements in a compact, portable form.
About Cayin (Spark Audio)
Founded in 1993 in Zhuhai, China, Cayin (manufactured by Spark Audio Electronics) has established itself as one of the premier Chinese manufacturers of tube amplifiers and high-resolution portable audio players. The company bridges East and West, combining Chinese manufacturing precision with circui...
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