1. This product is a 2.1-channel amplifier with 2.0-channel output and a subwoofer. 2. Clear vocals in both left and right channels, and the subwoofer is powerful and punchy! 3. Supports lossless music playback from USB flash drives and memory cards 4. Bluetooth V5.1 for high-speed transmission and zero latency 5. Supports AUX, stereo, computer, mobile phone, and CD inputs 6. Digital coaxial decoding and playback function 7. Optimized star-shaped circuit for extremely low noise floor and no 8. Intuitive LED display 9. Infrared remote control for easy song selection and function switching 10. User-friendly single-track loop and EQ sound field switching functions 11. Automatic play on power on, memory play on power off, and single-track loop button Output channel: 2.1 channel Output power: 30Wx2+60W (left and right channels + subwoofer) Input port: stereo lotus/AUX/U disk/digital coaxial Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: Black Material: Aluminum Alloy Package Contents: 1 Amplifier 1 x Remote Controller 1 adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.