Markbass CMDJB ComboThe CMD JB PLAYERS SCHOOL combo, named as Jeff’s great Music School, is the perfect choice for students... not only at The Player School of Music but worldwide!We at Markbass know how important it is for student to practice and play with a good professional sound, as well as to have a compact, light and portable combo. This combo is the smart choice to satisfy all of these requests. It’s inexpensive, it features the same quality standard and the same quality control tests applied to all of our products by our technicians during production.Features:Speaker Size: 1 x 15” Tweeter: NoneSpeaker Power Handling (AES Standard): 300 W RMSFrequency Responce: 40 Hz to 5 kHzSensitivity dB SPL: 100Impedance: 8 ohmsReflex: RearPreamp: Solid StateAmp Output Power: 250W@4ohm | 150W@8ohmPower Supply: Special Markbass Digital Power SupplyDimensions: 18.27”/ 46.4 cm (w); 18.27”/ 46.4 cm (h); 18.9”/ 48 cm(d)Weight Kg/lbs: 15.7 kg / 34.61 lbs