Audiophile grade materials and build deliver clear, reliable performance with durable construction. 100W 100W audiophile grade power Bluetooth digital amplifier for stereo use, providing strong output to drive two speakers. TPA3221 chip with lossless components for better sound quality and faithful audio reproduction. External potentiometer for convenient volume control and an external power switch for safer operation. Upgraded version with multiple audio inputs for flexible connectivity and compatibility with a range of devices. Compact, integrated Bluetooth digital amplifier designed to integrate with existing home audio systems and powered speakers. Easy to use with wireless streaming from Bluetooth devices and wired connections through the additional inputs. Use scenarios Home stereo upgrade: pair with your Bluetooth source (phone, tablet, laptop) to stream fidelity music to two connected speakers with clear, dynamic sound. DIY powered speakers: incorporate into a custom speaker build that requires a readytouse, power stereo amplifier with multiple inputs and external controls. Small living room or classroom setup: provide reliable amplification for music, presentations, or media playback with a simple, centralized control interface.