Headphone Amplifiers
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Manufacturer
HiFiMAN EF5 - Hybrid Headphone Amp
“ So far I have used this amp with two different headphones: the Hifiman HE5LE, and the AKG K601. I'll start with describing how it sounds with the AKG K601. First, let me note that one absolutely must put a 120 ohm series resistor at the output in order to be compatible with the K601. AKG specifies that the K601 should be driven by amp following the IEC standard, which is 120...” --mike1127
HiFiMAN EF-6 Headphone Amplifier
“ In the months leading up to the release of the EF-6, I was considering the few options available for amplifying the HE-6, there is basically speaker amplifyers and a few pre-amplifiers designed to power the AKG K-1000, which was prior to the HE-6 the most notoriously difficult headphone to drive on the market. A few things stood out about the EF-6, there was the handsome good looks, the...” --drez
Hifiman EF2A Usb Headphone Amplifier
“ Yeah, I agree with The Wuss. I am rather new to the headphone amp universe. So, don't choose to (or not to) buy baseed on my review alone. I listening to the HiFiMAN EF2A through my Grados and a pair of Sony Studio Monitors I use for live music mixing. The Sonys were instantly revealed as crap for critical listening. The Grados came to life and quickly...” --zammaster05
Minibox E+
A powerful portable headphone amplifier with optional bass boost. Designed to drive the er4 series.
