The Hartke 2115 Bass Combo Hartke bass for anything from practice to rehearsal, recording and smaller venues. Designed for maximum coverage and tonal flexibility in a compact and portable format, they combine bass-critical control with our unique aluminum-cone drivers in rugged cabinets. Hartke 15" bass driver in a rugged, dual-ported cabinet design. 200 watts at 4 ohms. Selectable tube & solid state preamps for more tone options. Rotary bass & treble contour controls. 10-band graphic EQ. Adjustable compression. Effects send & return. Frequency response of 40 Hz to 12 kHz. Specs: Specially Designed Hartke XL 15" Bass Driver In A Rugged, Dual-Ported Cabinet 2000 amp provides 200 Watts @ 4 Ohms Selectable Tube & Solid-State Preamps Rotary Bass & Treble Contour Controls 10-Band Graphic Eq Adjustable Compression Effects Send & Return Frequency Response: 40 Hz To 2.5 kHz Voice Coil: 2" Magnet Weight: 60 Oz. Dimensions: 23"(H) X 20.5"(W) X 16"(D) Weight: 70 lb.