What does the i stand for in the new GS1000i from Grado? Improved, that’s what! Featuring a new species of handcrafted Mahogany earpieces made using an intricate curing process; Grado has been able to optimize the tonal quality. The GS1000i uses new upgraded dynamic transducers and the new 8 conductor cable design. All this, new wood, driver and cable designs result in improved control and stability of the upper and lower range of the frequency spectrum with both better supporting the GS1000i’s new world renowned midrange.