Yamaha Powered Mixer

a Yamaha PMX402DU 4-Channel Powered Mixer with a built-in amplifier. It is designed for small gatherings or conferences where fewer microphones are needed. Key features include:
4 mono-channel inputs with high-quality microphone amplifiers.
Built-in amplifier, saving the cost of an external amplifier.
MP3, USB, and Bluetooth connectivity for playing music.
Single 5-band graphic equalizer with 16 digital effects.
High-precision dual-color level LED to control output.
60mm high-precision faders.
It has 2 x 250W output at 4Ω.
It also has a double master EQ and +48V phantom power.