Sensitivity
-
Headphone Impedance Explained: Ohms, Voltage and Amps
Headphone impedance in ohms sets how much voltage your source must swing, not sound quality. The numbers, the 1/8 rule and when you need an amp.
-
Do You Need a DAC and Amp? Or Just One
Your computer already contains a converter and an amplifier. Here is how to tell whether a separate one fixes a real problem or changes nothing.
-
Matching a DAC and Headphone Amp to Your Headphones
How impedance, sensitivity, output power, output impedance and SINAD figures combine to decide whether an amplifier suits the headphones you own.