AK45 Pro Audio Amplifier Bluetooth 5.0 HiFi Stereo Amplifier Max 410W 2.0 Channel Audio Power Amplifier Mini AMP Receiver 12V/5A Power Supply with USB, SD, RCA, LED for Karaoke - Upgraded PowerThis AK45 Pro Home Audio Amplifier Receiver has been chip upgraded compared to our previous AK45 Audio Amplifier, and the power rating has been upgraded to 50W x2, which can support higher power output devices, such as speakers, CD players and so on. Let you enjoy the high quality home audio experience - Powerful Sound & Compact SizeThis home audio amplifier delivers maximum power 410W + 410W and RMS 50W + 50W to be used for multi-speaker 4-16 ohms impedance allowing you to enjoy high-performance speakers or components.It boasts roaring bass, crisp highs. Its compact size design fits easily into your bookshelf or on desktop.Ideal for small apartments, bedrooms, small offices, basements and garages - Multiple Input & Multipurpose This home audio power amplifier with Bluetooth, RCA, MIC, SD,USB input; audio from external devices, such as CD, DVD, TV, PC, computers, tablets, notebooks, phones, MP3, and projectors with AV audio etc. Recommended for home TV audio, computer audio system-game, tower speaker, garden speaker. Small simple compact design also for car audio system - Bluetooth5.0 & Remote Control this stereo amplifier support Wireless Bluetooth 5.0, easy to connect with smart phones, tablets and other bluetooth devices directly after turn on the device, its Come with a remote control, it allows you to change audio settings from distance making you less tired and more comfortable. With bass and treble control knobs you can set the desired output of music according to your wish. Bright digital LED display lets you see the settings you change easily - MIC & USB/ SD Card InputThe audio amplifier for speakers supports USB stick or SD card input, plug and play. Equipped with 2 microphone input jacks, you can carry a microphone to sing with your friends and family at parties. perfect for Home audio, various parties, family gatherings, dance classes, restaurants, etc - Bass & Treble ControlThe 2.0 channel home stereo amplifier with microphone volume, bass, treble, and master volume control knobs for finer adjustment of sound effects, fun and playable. The included remote control allows you to enjoy different music and sounds from your couch