Feliks Audio Echo OTL headphone tube amplifier
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Feliks Audio Echo OTL headphone tube amplifier


The Echo is Felik's Audio entry-level OTL tube amplifier for headphones.

Product Specification

Power Output 350mW
Amplifier Type Tube amplifier
I/O Ports
  • 1 x 6.35mm headphone jack
  • 1 x RCA input
  • 1 x RCA output