Blackline M4USB 4-Channel Compact Analog Mixer with USB Music Playback  For Live Sound, Rehearsals & Home Use

The Blackline M4USB is a compact 4-channel analog mixer with built-in USB music playback—perfect for small PA setups, rehearsals, and home audio use. It features mic and line inputs, simple EQ controls, and reliable output for speakers or amplifiers. Ideal for users needing a basic, no-frills audio mixer with music playback from USB drives.