I do not normally post on Internet forum boards. My wife said that I needed to give you guys this feedback. I have been playing the trumpet for about 45 years. My passion is audio. As a birthday/Father's Day gift my wife gave me the green light to put together a speaker system that is used primarily for music, and secondarily for movies. I love planar dynamic headphones, such as the hifiman HE-6. Therefore, the 1.7 magnepans were on my short list. I was concerned that their weakness would be the bottom end of the frequency range, so I began lurking here on the subwoofer, bass, and transducer forum of AVS. I need to thank you guys. I would never have heard of the Rythmik audio subwoofer if it hadn't been for people posting here on this forum. Buying an audio component without having a chance to audition it first is a risk. Based on people's forum comments I took a chance and purchase the E15HP. Some people raised concerns about blending a magnepan speaker with subwoofer. They used phrases like, "the magnepan speaker is too fast to blend with a subwoofer." Nevertheless, I took the chance. All I can say is that I have been, "blown away," by this combination of speakers. The magnepan 1.7 are almost eerie in terms of their ability to provide a large soundstage that it is as clear as a window. The Rythmik E15 provides a visceral, or tactile experience, and richness that cannot be described. It is exciting not just to listen to music but to also "feel the music in the air" and the air pressure on my skin. I use a crossover at about 45 Hz. The gain or volume I vary depending on how musically processed, or bass heavy, the musical selection is that I am listening to. Again, I want to thank you guys for posting on this forum. You turned me on to a great product.