Features: Delivers 100W power output for room shaking bass that enhances any sound, solving weak low frequency reproduction in standard speakers. Engineered with 24V optimized circuitry and premium electronic components for stable while minimizing energy consumption during prolonged operational. Designed for sound enthusiasts and car sound upgraders seeking professional bass amplification in compact installations. Enhances music experiences for home theaters, outdoor parties, or vehicle sound with compatibility. design enables easy integration into existing loudspeaker setups, featuring for multi device connectivity across home and mobile environments. Specifications: Component:Electronic components Size:Approx.79x54mm/3.11x2.12inch Package Includes: 2 Optional Package: Package 1 Include:1Pc Amplifier Board Package 2 Include:2Pcs Amplifier Board note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.