Shure SRH1440 Open Back Headphones Roc N Soc the PPC412 has achieved near-legendary

the PPC412 has achieved near-legendary status in guitarist circles

and filter type

Without proper impedance matching

Those who hear it reminisce about the now infamous Orange AD140

Shure SRH1440 Open Back Headphones Roc N Soc the PPC412 has achieved near-legendaryShure SRH1440 Open Back Headphones The SRH1440 Professional Open Back Stereo Headphones from Shure provide clear, full range audio in a sleek and stylish design. The headphones have 40mm neodymium drivers to provide clear, realistic audio with rich, controlled bass. The open back earcup design promotes proper airflow, which results in natural audio with a wide stereo image and excellent depth. The headphones have a fully adjustable padded steel frame