Enhanced Sound Control This 2.1 channel amplifier provides precise tone shaping with dedicated treble and bass adjustment knobs. It delivers a maximum output of 2x50W plus 100W for the sub channel, enabling layered audio with clear highs and impactful bass. Versatile Connectivity Bluetooth 5.0 enables efficient wireless streaming with a range up to 49 feet. A 3.5mm AUX input offers a wired option. Switch between Bluetooth and AUX to match your audio source and listening scene. Protection and Reliability Builtin safety features guard against short circuits, overcurrent, overheating, and antireverse connection. These protections help prevent damage and support reliable performance in varied operating conditions. Compatibility and Use Scenarios Suitable for 2.1 channel speaker setups, including two main speakers and a sub. Home stereo upgrade: pair with bookshelf speakers and a sub, stream from a smartphone or tablet, and finetune tone for balanced, immersive sound. PC or media center: connect via Bluetooth or AUX for gaming or movies, using the main channels plus the sub for enhanced low end. Small venue or cafe background music: maintain steady audio playback with clear highs and strong bass while benefiting from protective safeguards. Key specifications and features Output: up to 2x50W 100W (stereo channels plus sub channel) Inputs: Bluetooth 5.0, 3.5mm AUX Tone control: separate treble and bass adjustment Safety: short circuit protection, overcurrent protection, overheating protection, antireverse connection protection