The DH321 is a headphone model, so it has no power output. DH321 is an in-ear earphone, its main features are comfortable to wear, clear sound quality, etc. In general, the power of the headset is provided by the audio device, not determined by the headset itself. Therefore, to understand the power of the DH321, you need to look at the output power of the connected audio device. The output power of different audio devices may be different, you can check the technical specifications of the device or the manual to know the specific output power.