For 60+ years, the Grado family have been hand-crafting their famous products in Brooklyn (USA). 62 years since it began, Grado has released their GH1 model Headphones. The GH1 is made from a tree in Brooklyn. Grado have said that the quality of the wood is what gives this headphone its incredible sound. They have stated that the bass frequencies are authoritative, with a flat midrange and immaculate highs.
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Audio Specs: Transducer Type: Dynamic Operating Principle: Open Air Frequency Response: 13 - 29,000 hz SPL 1mW: 99.8 dB Normal Impedance: 32 ohms Driver Matched dB: .05 dB