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Sennheiser HD 820 Headphones
Closed-back, 300Ω, audiophile-grade. Glass transducer housing eliminates resonance. Benchmark reference listening.
$2,400
About This Piece
The HD 820 is the closed-back flagship from Sennheiser, built for those who need isolation without sacrificing transparency. The innovation is structural: the transducer housing is made from Gorilla Glass, which reflects high-frequency resonances outward. 300Ω impedance — pair with a proper headphone amplifier. Frequency response 6–48,000 Hz. Comes with balanced XLR cable and standard 6.35mm cable.