SXOPA220V active waterproof frets, 30W sufficient number of high-power, your voice loud, penetrating power, to ensure publicity in place. 3, directly connected to the 220V power supply without the need to buy a power amplifier, easy to use. 4, with a remote control, you can easily control. 5, support U disk, SD card directly to card playing. 6, with a loop, pause playback. 7, with the input and output audio interface, you can directly connect computers, mobile phones and other equipment up. 8, with a microphone interface, you can link to the microphone to speak live broadcast. Frets waterproof aluminum alloy design, on the outside, waterproof sunscreen. SXOPA220V active waterproof frets, rated power: 20W Frequency response: 80Hz-18KHz ± 0.5dB amplifier THD: ≤0.1% Power supply: AC220 (50Hz-60Hz) Product size: 130 × 110 × 345 (mm)