HiFiMan EF2A: Great Sounding Tubes for Your Cans HiFiMan has done it again, building outstanding headphone products that are priced way too low for the level of sound quality they offer. The diminutive EF-2A is a fantastic sounding headphone amp with all the sonic characteristics you’d want from a headphone amp at four times the price; warmth, power, resolution and the golden glow of tubes! The only thing better than the sound from this headphone amp is the way it looks. A simple chassis with an aluminum faceplate and an acrylic top plate with vacuum tubes sticking out of the top, the EF-2A is a very cool looking piece of kit. More importantly, it feels solid despite the small size; the EF-2A has nice heft to it and the high-quality
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