ITEM NAME:1pc OEP3W Digital Amplifier Board Module High Quality New rfe Descriptio n Description: Description:.OEP3W Mono Mini Digital Power Amplifier Board. Model: OEP3W. Harmonic distortion:less then 0.1%. Quiescent Current:28mA/5V. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted.