Grado SR80 Classic Series Headphones B-STOCK with the support of outputting

with the support of outputting original sampling rate

Frequency Response N/A Impedance 16 Ohms Sound Pressure Level (SPL) 112 dB Housing Material Brass / Black Chrome-Plated Finish Driver Balanced Armature Cable Length 1

Our Wireless Purification System (WPS) is a complex circuit that reduces power line noise without audible or measured side-effects

5dB per level) Gain L/M/H FiiO Control Surpported Bluetooth format indication Surpported Sampling rate indication Surpported Firmware upgrade System firmware and Bluetooth version can be upgraded via USB Deep standby Long press the multi-function button for about 3s Low battery reminder / Dimensions ≈200x224

Both the OptiBox and cable are included

Grado SR80 Classic Series Headphones B-STOCK with the support of outputtingThe New Classic SR80 Where It Begins for So Many The SR80 is the most recognized headphone in the history of Grado and remains the best selling model we have ever produced. For more than three decades it has introduced generations of listeners to the energy and immediacy of open back headphones. Many of todays audio reviewers, engineers, and company founders first discovered serious listening through an SR80. Within the Classic Series, elements once