IEM Amplifier Card
The HIFIMAN IEM Amp Card for for HM901s/901/650/802 was
Produced for In-Ear Monitor Users.
The IEM Amplifier Module was designed with a lower gain to
meet the needs of IEM (In-Ear Monitors) 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 for HM901s/901/650/802 it is the best hi-end
solution available on the market.