Casti In-Ear Denon AH-C821
Drawing on half a century of Denon headphone engineering experience, the new 2016 models are designed to combine comfort with no-compromise sound. Aimed at those who want the very best sound whether travelling, working or relaxing, the new in-ear models are packed with advanced Denon technologies, designed to deliver the best possible performance from compact, lightweight earphones.
Impedance 16 ohm
Sensitivity 115 dB/mW
Maximum power input 250 mW
Frequency Response 4-40,000 (Hz)
Weight 10.4 g (not including cable)