Description: 100W RMS X 2 (4 ohms, 20 Hz-20 kHz, 0.04% THD), with 24V power supply, capable of driving 280watts(8ohm), 320watts(4ohm) speakers. Advanced circuitry design, built-in speakers protection circuit, home integrated digital power amplifier. Compact Hi-Fi Bluetooth wireless power amplifier, with small simple design but practical and powerful. Bluetooth 5.0 core, long connection range guarantees low signal delay, no and audible noise. Perfectly suited for your desktop or a smaller space in your home or office. Specification: Resolution: 20HZ~20KHZ Cable length: 11x9x3.5cm/4.33x3.54x1.38inch Product size: 10.7x9x3.5cm/4.21x3.54x1.38inch Antenna length: 3cm/1.18inch Material: ABS plastic Package Includes: 1 Piece Audio Amplifier Receiver(EU plug) 1 Piece Power Supply 1 Piece AC Power Cord 1 Piece Bluetooth Antenna Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!