The SL-15 and SL-12 are the flag-ships of Cerwin-Vega! SL-Series. The SL-12 delivers a true 3-way sound experience and incredible realism using three drivers, each dedicated to the high-, mid- and low-frequencies. They combine the benefit of the larger cabinet for deep, solid bass and amazing power handling with the clarity of the dedicated midrange and high frequency drivers. The strong and modern styled bass reflex cabinet is solid constructed to hold the ultra large 12″ woofer. High power output, punchy bass and vocal clarity falling all together within this speakers. If you are looking for big bass and demand serious sound in basic stereo or home theater environments, you should check out the SL-12 or SL-15.