RS 1x Reference Series in-ear headphones but they do not have

but they do not have the foam on the grilles

Full-size alloy platter felt mat

is nothing short of breathtaking

Frequency range: 50Hz – 20kHz ±3dB free-space

RS 1x Reference Series in-ear headphones but they do not haveTri Wood Oasis Leading the way for our 4th gen X Drivers, the redesigned RS1x combines maple, hemp, and cocobolo wood into a vivacious and elegant headphone. SPECIFICATIONS: 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 Maple, Hemp, Cocobolo. The Sound of Wood For the first time, three different wood species are working together in a Grado