http://www.speakerpower.net/comparative-performance.html
SP1-4000: 4000W into 2 ohms for 6.0 seconds.
FP14000: 1500W into 4 ohms for 0.5 seconds.
Review of SP1-4k: http://www.diyaudio.com/forums/subwoofers/187472-speakerpower-torpedo-sp1-4000-plate-amp-review.html
SP1-4000: 4000W into 2 ohms for 6.0 seconds.
FP14000: 1500W into 4 ohms for 0.5 seconds.
Review of SP1-4k: http://www.diyaudio.com/forums/subwoofers/187472-speakerpower-torpedo-sp1-4000-plate-amp-review.html