MIKROE-3401 Audio Amp 5 Click Mikroe MIKROE-3401 Audio Amp 5 Click is a stereo audio amplifier capable of delivering up to 10W per channel with an 8Ω load. The Mikroe Audio Amp 5 Click is based on the TPA3138D2 class-D integrated amplifier. The amplifier utilizes a highly efficient switching scheme. The click allows for longer operation and improved thermal performance with about 20mA in idle mode. This makes it a perfect choice for various battery-powered applications. Advanced EMI Suppression with Spread Spectrum Control allows the use of ferrite bead filters instead of bulky inductors. The TPA3138D2 IC is equipped with protection features, allowing a reliable operation.