Specification Brand SinilinkModel XY 1001WProduct Name TWS bluetooth Audio Power Amplifer Product Type Integrated Potentiometer External Potentiometer Integrated PanelPower Supply DC 9 24V 3A or aboveAudio Input Interfaces bluetooth 5 3 AUX 3 5mm USB AudioSupported Audio Formats MP3 WAV FLAC APEbluetooth Protocol AAC SBCOutput Power 10W 8Ω 12VDC20W 4Ω 12VDC35W 8Ω 24VDC70W 4Ω 24VDC100W 2Ω 21VDCSize Weight 90 52 22mm 45G Integrated Potentiometer 72 52 22mm 55G External Potentiometer 90 62 22mm 77G Integrated Panel Features 1 High Power Output Supports up to 100W 2Ω 21VDC for superior audio performance 2 TWS Stereo Pairing Connect two amplifier boards for stereo sound output via TWS technology 3 Multi Interface Offers bluetooth AUX and USB Audio input for flexible connectivity options 4 IC Chip Enhancements Equipped with a TPA3116D2 amplifier chip and TWS bluetooth chip for excellent audio quality and efficiency 5 Precision Heat Sink Grooved heat sink design for improved thermal management during operation 6 Multiple Controls Multifunction knob allows for play pause track selection mode switching TWS pairing and factory reset functions Package Include 1 x Sinilink XY 1001W bluetooth Power Amplifier