The SA-410 4x10 Bass Guitar Speaker Cabinet provides great mid range and low end response! With four Quake 10" speakers the SA-410 provides a well balanced frequency response while maintaining plenty of low end punch . At 400 Watts RMS, this cabinet can handle what most bass guitar amps can throw at it. The 1x15 Bass Guitar Speaker Cabinet gives you the full, tight tone that a bass cabinet should! With one 15" speakers you get the clear, punchy tone you have been looking for out of your bass amp. At 400 Watts RMS, this cabinet can handle what most bass guitar amps can throw at it. Great bass speaker cabinets are very hard to find, especially at a decent price. The Seismic Audio brand was designed to make the professional musician, as well as the musician low on cash, sound great. With your purchase, you will receive a one 4x10 and one 1x15 Bass Guitar Speaker Cabinet pictured and described above. So, put them in your cart today and get ready for years of trouble-free, crystal clear sound!