The SRT 4201 is a high power shallow profile passive subwoofer system. Front ported, and with a dual 15″ voice coul transducer, it produces powerful and detailed low frequency reponse for a thrilling cinematic experience.  It has a 15 inch dual voice coil subwoofer with a peak power of up to 2400W and down to 30Hz with a maximum output of 129dB. It is a shallow and wall-friendly design, and is therefore ideal to be used in high impact home theatre systems that do not require additional space.