” The Quad throws a slight wrinkle into the equation. It keeps almost everything that makes the Triple great, but adds a little more presence to the mids and control to the lows, both improvements over the original. But it does so at double the cost. At $200 the overall impact could still easily be considered entry level pricing, a matter of rounding or something that can be easily managed by cooking for yourself for a few dinners. The equation to one’s ears is easily a improvement, and an experience that you likely get to rehash on many occasions during the morning commute or daily workout.