World renowned headphone manufacturer Grado has an enviable reputation of producing true audiophile graded headphones. Not only do they produce a very accurate sound stage and a sense of being there, they are also very comfortable to wear for a long period of time. No other manufacture has the attention to detail and R&D that go into producing the best possible sound from your headphones. Highs sound higher and clearer, mids sound tight and articulate, lows sound deep and warm. Every Grado product is hand made and true to its design and specification.The Grado SR 325is is an exceptionally well made headphone and has many cutting edge features.

What does the i stand for in the SR 325is from Grado? Improved, that,s what! Yes, Grado has taken one of the world's most acclaimed headphones and taken it a few steps further. The new SR 325is has an upgraded driver design, and has enlarged and improved the mass distribution in the metal housing. The way the SR 325is's new driver and metal housing move air and react to sound vibrations are now less affected by transient distortions. With the Grado SR 325is you will notice improved control of the upper and lower range of the frequency spectrum, with both better supporting Grado's world renowned midrange. The SR 325si will produce a sound that is pure grado, warm harmonic colour, rich full bodied vocals, excellent dynamics and an ultra smooth top end.

Grado SR325is features:

• transducer typw - dynamic
• operating principle - open air
• frequency response - 18-24 Hz
• normal impedence - 32 ohms

for a more detailed look at the Grado SR 325is, please refer to the link: SR325is