Fangrui Product Details Advanced Audio Technology: Featuring Dsp2.1 For Crystal-clear Sound And Efficient Sound Processing, This Bluetooth 5.0 Stereo Power Amplifier Module Ensures High-quality Audio Reproduction With 200 Watts Of Power, Including A 100w Subwoofer For Deep, Resonant Bass. Enhanced Connectivity: Equipped With The Latest Bluetooth 5.0 Technology, This Amplifier Module Offers Seamless Connectivity, Allowing You To Stream Music Wirelessly From Your Smartphone, Tablet, Or Computer With Superior Stabilit. User-friendly Design: Comes With Five Easy-to-use Control Knobs For Volume, Bass, And Treble Adjustments, Making It Simple To Customize Your Audio Experience. The Compact Design Makes It Ideal For Various Audio Projects Or Diy Audio Systems. Power Specifications: Operates On Dc24v Power Supply, Making It Suitable For Use In A Variety Of Settings Without The Need For Frequent Battery Changes Product Name: Dsp2.1 Product Model: Vex202 Bluetooth Version: Dual-mode 5.0 Supports Bluetooth Name: Eiffelcin One Power Supp