HiFiMAN was founded in New York city in 2007. Their founder Dr. Fang Bian has a strong background in consumer electronics design and implementation, as well as a PhD in nanotechnology, which he has since brought to bear in the design of his strong product lineup. Since its founding, HiFiMAN has become a world leader in headphone and amplification design and implementation. They have also released award winning products to the IEM and portable player markets. Their Planar magnetic headphones are coveted for their lifelike vocal reproduction and deep textured bass. They also offer a strong lineup of flexible headphone and speaker amplifiers, featuring both tube and solid state amplification. These amplifiers are capable of driving some of the world's most demanding headphones with ease. We are proud to offer HiFiMAN's exceptional quality to our customers.
Hand built with tube output, HiFiMAN’s state-of-the-art headphone amplifier provides audiophile quality, amplified signal for high performance headphones and critical listeners. Wide bandwidth, low distortion and s/n greater than 95db, make the EF5 the clear choice for discriminating music lovers. Compatible with wide range of headphones for almost any hifi application. Satisfaction guaranteed.
Tube: Tianjin fullmusic tube
Frequency Response: 20-30K Hz
THD+N: less than 0.2%
S/N: more than 95dB
Input impedance: 50K Ohm
Output impedance: 2–2K Ohm headphones
Output signal strength: up to 15 Volts at 32 Ohm
Output: 1/4 headphone jack*1
or 4.33inch(W)*1.97inch (H)*10.63inch (D)
Weight:6lb (include packing)
Accessories: 12AU7 tube, DY-1 power supply, compatible from 110v to 240v