The D115XLT offers a 15" tuned and ported professional cabinet with a fast responding 15" speaker. Providing a classic bottom end with great detail and transient response coupled with a three-inch high temperature voice coil and our Eden cast bell tweeter. The D115 is a truly professional single speaker bass option for those looking for more lows in thier rig. 400W RMS handling. 8 ohm impedance.