Once the speaker amp is installed, you'll need to tune and adjust it for optimal sound quality. Start by setting all EQ and crossover settings on the amp to neutral or flat positions. Connect your audio source and play a variety of music genres to get a feel for the sound output. You can then adjust the amp's gain or level controls to achieve the desired volume level without distortion. It's important to be careful not to set the gain too high, as this can lead to clipping and damage your speakers. Experiment with different EQ settings to find the sound that suits your preferences.