Amplifiers

Of course you can buy  $$$$ headphone amps.

 

Sennheiser HE 1 US$ 59,000.00


However there are headphone amps that measure perfectly but won’t break the bank.

 

Geshelli Labs ARCHEL PRO AMP US$ 134.00

 

Measurements on Audio Science Review

Added 2019

JDS Labs Atom US$ 99.00

Measurements on Audio Science Review

Added 2019

Reference

Master Index of Audio Hardware Reviews - Audio Science Review