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HiFiMan HM-901 Balanced Amp Card

$299.00
In stock

NEW The HiFiMan HM-901 card is a balanced designed amplifier module that incorporates the most expensive audio op-amp OPA627 and OPA634 buffer, each of four pcs. These expensive chips are what make the HiFiMan HM-901 sound incredible.

The HM-901 balanced amplifier card works as balance for the TRRS, and it also works with normal mini jack headphones at a normal mode. It is a powerful amplifier module that can drive most headphones. 

The HiFiMan HM-901 card is a balanced designed amplifier module that incorporates the most expensive audio op-amp OPA627 and OPA634 buffer, each of four pcs. These expensive chips are what make the HiFiMan HM-901 sound incredible.

The HM-901 balanced amplifier card works as balance for the TRRS, and it also works with normal mini jack headphones at a normal mode. It is a powerful amplifier module that can drive most headphones. 

Power supply voltage:  ±8.2v 

Power supply current:  ±20ma

Maximum balanced output (30R load)    
Low Gain                           High Gain
2.32v(179mw)                3.91v(477mw)
S/N                                      112+/-1dB

Frequency response:    20hz-20Khz(-1dB) 

Maximum Normal output (30R load)

Low Gain                            High Gain
1.45v(70mw)                     2.5v(200mw)
S/N:                                    109+/-3dB
Frequency response:        20hz-20Khz(-1dB)
Output impedance:             1 Ohm
 

 

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