Black AK50 Stereo Audio Amplifier — 8.3x5.5x2.2in, 400W+400W Peak / 50W+50W Rated, 2-Channel, Bluetooth 5.0, FM/USB/SD/Mic, Remote

Compact yet powerful: the AK50 Digital Audio Amplifier (upgraded version of AK45 amplifier) delivers 400W+400W peak power with 50W+50W rated power. Compatible with 4–16 inch passive speakers and can also drive active subwoofers, making it suitable for home karaoke, home theater, HiFi systems, small apartments, bedrooms, offices, basements, garages, or bookshelf/A/V cabinet installations. Microphone-friendly design: includes MIC input and MIC output ports plus an independent Echo adjustment knob for karaoke, announcements, or live speaking. Easily route audio to an active subwoofer or a recording device via the MIC output. Reliable wireless streaming: built-in Bluetooth 5.0 offers faster pairing and a more stable connection with a transmission range up to 50ft/15m (open area), so you can stream music from phones, tablets, or laptops without wires. Direct MP3 playback: plug in USB 2.0 flash drives or SD cards for instant MP3 playback — no phone or PC required. Full tone control and remote convenience: independent Bass, Treble, Master Volume, Mic Volume, and Echo knobs let you shape sound precisely. Includes a remote control for convenient adjustments from a distance. Broad device compatibility: works with mobile phones, tablets, laptops, TVs, DVD players and other sources. Ideal for home speakers, bookshelf speakers, gaming setups, car audio systems, outdoor garden speakers, and small parties.