Product Detail Power: 250 Watts at 4 Ohms, 180 Watts at 8 Ohms Tube Emulation & Solid-State Preamps Active and Passive Inputs Rotary Bass & Treble Contour Controls 10-Band Graphic EQ . The "Hartke 2500 Bass Guitar Amplifier Head, 250 watts" is best product for you. We recommended Hartke 2500 Bass Guitar Amplifier Head, 250 watts