AK45 / AK45 Pro Black Stereo Amplifier Receiver — 50W×2 (800W Max), Bluetooth 5.0, USB/SD/RCA, 2 MIC Inputs

Compact AK45 digital audio amplifier with upgraded design delivers powerful output: 400W+400W peak power and 50W+50W rated power (50W×2) with an 800W Max surge, ideal for driving 4–16 inch passive speakers. This 2.0-channel BT amplifier is built for karaoke, home theater, garages and other small-to-medium spaces — apartments, bedrooms, offices and basements — and its small footprint fits easily on a bookshelf or inside an A/V cabinet. Flexible connectivity lets you play audio from many sources: Bluetooth 5.0 streaming from phones, tablets or laptops plus wired RCA inputs. Onboard USB port and SD card slot support plug-and-play playback from sticks/cards. Two microphone input jacks allow live singing or announcements, and the unit supports MIC inputs for karaoke or PA use. Hands-on tone and level adjustment: physical knobs for microphone volume, bass, treble and master volume give precise control over the sound. A supplied remote control provides convenient operation from the couch. Wide device compatibility: works with mobile phones, computers, tablets, notebooks, MP3 players and projectors with AV audio outputs. Recommended uses include TV audio, computer/game sound systems, tower speakers and garden speakers; the compact design also makes it suitable for simple car audio setups.