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HiFiMan HE Adaptor
The efficiency of HiFiMan's incredible HE-6 is so low, it requires more power than most headphone amps provide.
The solution: HiFiMan designed the small HE-Adapter box that connects the headphones via speaker cables to an integrated or power amplifier via the speaker outputs.
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Input: Speaker Connector
output: 4 pin XLR
Resistors in parallel: 10 Ohm
Resistors in series: 25 Ohm
Size: 16.5 cm * 12.2 cm * 7.5 cm or 6.5 inch * 4.8 inch * 2.9 inch
Weight: 542 g
HE-Adapter is not for HE-500 or any high efficiency headphones.
Using a normal speaker amplifier on speaker outputs to drive HE-6, HE-5LE and HE-4 headphones.