*Vitron Woofer V5204 2.1

3.1 Channel Audio System — Includes one subwoofer and three satellite speakers for richer sound compared to 2.1 systems. Bluetooth Connectivity — Wireless streaming from phones, tablets or laptops. Multiple Inputs — USB port, SD card reader, AUX input, and FM radio support. Remote Control — For convenient volume and mode control. Bass and EQ Controls — Some units allow adjusting bass levels and have preset equalizer modes. LED Indicators/Display — Helps show mode and status.