In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. The ideal stage rig for any bassist. This tower of sound drives 400 watts through two separate speaker cabs. The 4004 Workingmans head features a 5 band EQ for all the tone control you need. Under it you get a 410 with custom SWR drivers, and single 15 cab, each with a piezo tweeter.