The HiFiMan Amplifier card is an uprgade replacement card for your HiFiMan HM901 and HM901s Media Players.
The IEM Amplifier card is designed specifically for IEM or earphone users.
This amplifier module will give you IEM’s just the right amount of power (this card is not recommended for headphones) and provide you with a detailed, accurate and wide soundstage.
Matched with the HM-901 it is the best hi-end solution available on the market.
Power supply voltage: ±8.2v
Power supply current: ±20ma
Maximum output (30R load)
Low Gain: 1v(33mw)
High Gain: 1.4v(65mw)
Maximum current: +47ma/-47ma +59ma/-59ma
Frequency response: 20hz-20Khz(-0.1dB)
Output impedance: 2 Ohm