【High-Quality Sound】 Marshall's MB B delivers the perfect sound for bass guitars. With a variety of equalizer settings, you can easily adjust the tone to your liking. 【Compact Design】 This amplifier is compact yet powerful, making it easy to carry. It's ideal for studio and live performances. 【Durability】 Marshall's robust construction is designed to withstand long-term use. It provides reliable performance. - Brand: Marshall - Model: MB B15 - Control Knobs: Volume, Crunch, Equalizer, and other adjustment knobs - Speaker Grill: Mesh design - Color: Black - Application: Bass amplifier Thank you for viewing. Power-on tested. There is peeling on the back, which has been reinforced with black tape.