The SR225x and SR125x have had a sibling rivalry for decades. Being the mature one, the SR225x utilizes the new F cushion to open up the sound to more textured tones. The driver works in unison to produce a unique voicing and be just as fast as the SR125x. Just don’t tell their kid brother.
 
4th Generation Grado drivers are here. Specifically tuned for the SR225x, this new speaker design features a more powerful magnetic circuit, a voice coil with decreased effective mass, and a reconfigured diaphragm. Reengineering these components for our 44mm drivers improve efficiency, reduces distortion, and preserves the harmonic integrity of your music.