Description: Our product has powerful functions, such as liquid-crystal display, backlight function, remote control function, u-disk\/SD-card\/MP3 format playback, bluetooth-compatible wireless connection, DC\/AC power supply, FM stereo radio, etc.You can get excellent listening experience with clear HiFi sound and adjustable treble/bass/volume. This product is made of iron material and it is durable to use. It supports multiple people singing at the same time. The length of the product is 18cm, the width is 13.6cm, the height is 5.5cm.It can be used for home, car, etc. This product supports wireless bluetooth-compatible connection and it is convenient to connect with bluetooth-compatible devices such as for iPads, smart phones, tablets, etc. Item Name: Power Amplifier Material: Iron Plug Type: EU Plug Bluetooth: Support Bluetooth Version: 5.0 Channel: 2CH Input Voltage: 220V/ DC12V (Car) Rated Power: 40W + 40W Peak Power: 300W + 300W Standard Impedance: 4-16 Signal to Noise Ratio: 90DB (A Power) Frequency: 10Hz-20KHz Distortion Rate: 0.4 Percent (Normal Working Conditions) Signal Input Sensitivity: 200MV(30MV) MIC Input Sensitivity: 9MV(2MV) Compatible bluetooth-compatible Devices: for iPads, Smart Phones, Tablets, etc Features: 2CH, HiFi, Practical Size Details: 18cm x 13.6cm x 5.5cm Package includes: 1* Power Amplifier