Grado RS1x Reference Series HovedtelefonerLeveringstid forventet 3 5 dage. Leading the way for our 4th gen X Drivers, the redesigned RS1x combines maple, hemp, and cocobolo wood into a vivacious and elegant headphone. Transducer Type: Dynamic Operating Principle: Open Air Frequency Response: 12 30,000 hz SPL 1mW: 99. 8 dB Nominal Impedance: 38 ohms Driver Matched dB: . 05 dB The Sound of Wood For the first time, three different wood species are working together in a Grado headphone. The