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Edition X V1 (open box) & EF100 combo

The EF100 amplifier is a great complement to the Edition X

Availability: In stock

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Edition X V1 (open box) & EF100 combo

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To get the best performance from any quality headphone, you need the right amplifier driving it.  The EF100 amplifier is a great complement to the Edition X. 

Attention Purchasers

HIFIMAN offers great deals on open box products. Those products are tested and in good condition but do not meet HIFIMAN's standard as "new".

Those products will be available for the U.S & Canada only.

Used products do not come with HIFIMAN's standard warranty but if you are not satisfied with the product for any reason, you can return or replace the item in 30 days.


Edition X:

Driver type: Planar Magnetic 
Impedance: 25 Ohms
Sensitivity: 103 dB
Frequency response: 8Hz-50KHz
Weight: 399g (14.07 Oz)


Voltage: 110V/220V
Input impedance: 47k
Output impedance: 32-300 Ohm  
Headphone Output:
Output voltage and output power under 30 ohm load: 7.8v, 2000 mw
Frequency response: 20-20khz +/- 0.2db
Power amplifier output: 
Each channel: 4.5 w (4 ohm load)
Frequency response: 20-20khz +/- 1db
D/N(A): 95db
Tube: 6N3J 

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