Moonriver Audio 404 Integrated Amplifier Review in HighFidelity.pl online magazine 12/2019

“This is an amplifier that plays in such a natural and effortless way that even very expensive devices from other companies can envy it. Its sound is dense, but this density is resulting from good resolution and consistency, not from coloration. The amplifier sounds very natural, saturated and incredibly vibrant. It’s a sophisticated sound for not much money”.

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