Markbass Little Mark 250 Black The Black Line version of Little Mark 250 offers same features of the standard Little Mark 250. The Black Line products are made using the same cutting-edge technology, high-quality components and the same quality control standards apply to all of our products. The Little Mark 250 Black is a smart, inexpensive choice for those who don’t need the full power of a 500W head. It’s great for practicing, rehearsing, and small gigs. Its solid-state preamp has a warm and natural sound, and faithfully reproduces the true tone of your instrument. The DI output features a pre-post EQ switch and output level control, so you can optimize the signal you send to the mixer or recording unit.