Grado's latest version of headphones come with new 4th Generation Grado driver, 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.

Along with the speakers, the cables and headband have been redesigned for the SR125x. Now housed in a more durable exterior, the 8-conductor cable transfers more information and features a super annealed copper wire for improved purity of the audio signal. The new headband features more cushion for a comfier experience. 

Features and specifications:

• Tranducer type: dynamic
• Operating principle: open air
• Frequency Response: 20-20,000 hz 
• SPL 1mW: 98.8
• Normal Impedance: 38ohms
• Driver matched db: .1