A headphone device providing personalized headphone equalization, comprising: a headphone driver; a microphone mounted in a near field of the headphone driver and inside a cavity formed by the headphone device and a user's ear; and a processor configured to: obtain a measurement of sound pressure level at the microphone; detect an electro-acoustic system resonance based on the measurement of sound pressure level; construct a main equalization filter based on a pre-determined target frequency response and the electro-acoustic system resonance detected, wherein the electro-acoustic system resonance includes at least one of an ear canal resonance or a headphone driver resonance; determine a gain and a quality factor, Q, for a resonance frequency at which the electro-acoustic system resonance is detected; construct a parametric equalization, PEQ, filter centered on the resonance frequency at which the electro-acoustic system resonance is detected with the gain and the Q determined; add the PEQ filter to the main equalization filter to compensate for the electro-acoustic system resonance detected;; and provide the personalized equalization of acoustic output reproduced via the headphone driver by applying the main equalization filter to a frequency from 20Hz to the resonance frequency and applying the PEQ filter to the resonance frequency based on the measurement of sound pressure level and the pre-determined target frequency response for the headphone device. a headphone driver; a microphone mounted in a near field of the headphone driver and inside a cavity formed by the headphone device and a user's ear; and a processor configured to: obtain a measurement of sound pressure level at the microphone; detect an electro-acoustic system resonance based on the measurement of sound pressure level; construct a main equalization filter based on a pre-determined target frequency response and the electro-acoustic system resonance detected, wherein the electro-acoustic system resonance includes at least one of an ear canal resonance or a headphone driver resonance; determine a gain and a quality factor, Q, for a resonance frequency at which the electro-acoustic system resonance is detected; construct a parametric equalization, PEQ, filter centered on the resonance frequency at which the electro-acoustic system resonance is detected with the gain and the Q determined; add the PEQ filter to the main equalization filter to compensate for the electro-acoustic system resonance detected;; and provide the personalized equalization of acoustic output reproduced via the headphone driver by applying the main equalization filter to a frequency from 20Hz to the resonance frequency and applying the PEQ filter to the resonance frequency based on the measurement of sound pressure level and the pre-determined target frequency response for the headphone device. obtain a measurement of sound pressure level at the microphone; detect an electro-acoustic system resonance based on the measurement of sound pressure level; construct a main equalization filter based on a pre-determined target frequency response and the electro-acoustic system resonance detected, wherein the electro-acoustic system resonance includes at least one of an ear canal resonance or a headphone driver resonance; determine a gain and a quality factor, Q, for a resonance frequency at which the electro-acoustic system resonance is detected; construct a parametric equalization, PEQ, filter centered on the resonance frequency at which the electro-acoustic system resonance is detected with the gain and the Q determined; add the PEQ filter to the main equalization filter to compensate for the electro-acoustic system resonance detected;; and provide the personalized equalization of acoustic output reproduced via the headphone driver by applying the main equalization filter to a frequency from 20Hz to the resonance frequency and applying the PEQ filter to the resonance frequency based on the measurement of sound pressure level and the pre-determined target frequency response for the headphone device.