Using 2 classic TPA3116D class power amplifier chips, it has the advantages of high fidelity, high efficiency and high power, and low distortion technology to make the sound purer, real and natural, and achieve 2x100W strong power output. Bluetooth 5.3 chip, stereo sound quality, stronger compatibility, stable signal, and no jamming/intermittent transmission. Wireless microphone chip: supports simultaneous connection of two wireless microphones (microphones not included), equipped with intelligent noise reduction and anti-howling functions. Infrared remote control: fast and convenient operation experience, allowing you to easily realize functions wirelessly, just a light touch, you can switch between song/volume/lighting effects, etc. It has a variety of input interfaces, supports Bluetooth, , and USB input, and is convenient for connecting traditional wired analog signal devices. Supports Bluetooth//USB input, and is compatible with mobile phones, computers, , projectors, Blu-ray players, and other devices. Bluetooth Version: V5.3 Pairing name: G12D Audio input: Bluetooth//USB disk Audio output: Banana Jack x4 /AUX 3.5mm Number of channels: 2.0 Amplifier Chip: TI TPA3116D2 x 2 Maximum: Output Power: 100W+100W (24V 4-8) Working voltage: DC19V-24V BluetoothTransmission Distance: About 10-30m (without obstacles) Audio Code: , AAC Total harmonic distortion: 0.1% Output impedance: 4-8 Rated sound frequency response range: 18Hz-25kHz High and low range: 10dB Signal-to-noise ratio: 100dB(A) Input sensitivity: 1.1V Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: Aluminum Alloy Package Contents: 1 x amplifier 1 x antenna 1 x remote control 1 x AUX audio cable 1 x cable 1 x 19V/3A power 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.