Advantages of the MA12070 - The MA12070 is a highly efficient audio power amplifier based on proprietary multi-level switching technology. The power management algorithm dynamically adjusts switching frequency and modulation to optimize power loss and EMI over the output power range. Unparalleled energy efficiency, optimized for music playback with very low power losses and cool operation. Ultra compact, fully integrated solution.Connect USB to your fingertips for more music Z32-bit/384 kHz USB audio input and supports driver-free use. You can buy the adapter yourself to connect mobile phones, tablets, computers and other devices.Wireless Whole Home Audio - Play your favorite music wirelessly through your home to get seamless audio. Bluetooth 5.0 digital audio input, support APT-X.Built-in 7 types of EQ mode presets - Including a custom mode to easily adjust a variety of speakers and music. Personalized customization, different gameplay, more features. Included are direct, tone, bass, super bass, rock, soft, clear.HIGH QUALITY HEADPHONE OUTPUT - Turn off the output mode together with the 6.35mm headphone jack and 4mm banana output interface (audio cable can be connected directly without connectors) via the remote "Mode" button.