with a popular choice being headphone amplifiers that use a tube as a gain stage followed by an op-amp as a buffer with a low impedance output. This forms the basis of [Ratti3]’s amplifier ...

The power amplifier gain can be switched between 3 positions (Low/Mid/High) to fine-tune the output to best match the sensitivity and impedance of the headphones. Preamplifier: In addition to ...

Some are you are probably wondering how the M15c is only $129 USD when it offers such a good DAC, 4 SiP modules, 3.5mm and ...

Closed-Back Design: The closed-back ear cup construction provides superior passive noise isolation, making the headphones ideal for use in noisy environments or for recording sessions where bleed into ...