Product Specifications Model: 1002S Bluetooth Version: 5.1 Power Output: 100W + 100W (peak power) Audio Input: Bluetooth, AUX, USB Power Supply: DC 9-24V / 5A or above U Disk Format: FAT32, Less than 32GB Supported Music Formats: WAV, FLAC, APE, MP3 App Control: Yes Channel Output Power 2 x 10W @ 8Ω / 12V 2 x 30W @ 8Ω / 24V 2 x 20W @ 4Ω / 12V 2 x 50W @ 4Ω / 21V 2 x 70W @ 4Ω / 24V 2 x 100W @ 2Ω / 21V Protection Mechanisms Overvoltage Overcurrent Undervoltage Clipping Short Circuit Overheating Multi-Function Knob Single Click: Pause/Play Double Click: Next Song Triple Click: Previous Song Quadruple Click: Switch Input Mode (Bluetooth/AUX/USB) Five Clicks: Restore Factory Settings Long Press: Power On/Off Product Details Size: 95 x 60 x 23 mm Colour: Black Material: ABS Type: A: Without Line / B: With Line Package Includes 1 x Bluetooth Amplifier Board