Grado SR325x Prestige Series Headphones (Open Box) - Discontinued headphone proprietary 2-pin please upgrade the BTR3K to

please upgrade the BTR3K to the latest firmware and disconnect the Bluetooth connection with the phone

our Active Noise Cancellation® (ANC) generates a signal identical to the noise signal but in the exact opposite phase to actively cancel all incoming noise

Experiment with the size and style that creates the best fit for you

55 oz) Net Weight 182

Our signature sound in wireless form

Grado SR325x Prestige Series Headphones (Open Box) - Discontinued headphone proprietary 2-pin please upgrade the BTR3K toUnparalleled Sound One of our top rated headphones, the SR325x delivers superior sound with 4th Gen Grado drivers. Transducer Type: Dynamic Operating Principle: Open Air Frequency Response: 18 24,000 hz SPL 1mW: 99. 8 dB Nominal Impedance: 32 ohms Driver Matched dB: . 05 dB Precision Priority. The Sound of Metal With its metal housing, the SR325x brings a surgical precision to your music that you wont find in the rest of the Prestige Series. Better