[20W+20W 2CH Output] – 20W+20W RMS mini amplifier with a maximum power output of 200W+200W, delivering enhanced sound quality and powerful audio performance. Includes a 12V 3A power supply, compatible with 2-10 inch speakers. [Bass & Treble & Volume Adjustment] – Equipped with responsive control buttons for power and rotary knobs for master volume, bass, and treble adjustment, allowing customizable sound settings. [Compact Size] – Constructed with an aluminum alloy body and featuring blue LED-lit knobs, this compact bookshelf speaker amplifier offers a sleek, space-saving design that is portable and easy to place. [Application] – Compatible with various digital devices and supports FM radio frequency scanning. Ideal for use in home theater systems, karaoke setups, and audio systems in cars, motorcycles, or boats. Color: Black Material: Metal Package Contents: 1 x Mini power amplifier 1 x English manual Note: The package includes only the items listed. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual product. Measurement may vary by +/- 1-3 cm.