A high-efficiency power amplifier is provided, including a drive amplifier and a final power amplifier, and further including a first digital pre-distortion correction module and a second DPD correction module. The fluids initially have low viscosities. The rubber blanket includes a rigid carrier plate and a plurality of layers that are arranged on the carrier plate. Some embodiments include updating the processed version of the input audio signal in response to a magnetic flux value corresponding to the time-varying signal applied to the stationary coil. A control gate is connected to each of the sourcedrain regions, and is also capacitively coupled to the floating gate. , to prevent damage to the probe pins caused by large current flow.