![The most reliable/easiest way to EQ headphones properly to achieve the most ideal sound (for non-professionals) | Headphone Reviews and Discussion - Head-Fi.org The most reliable/easiest way to EQ headphones properly to achieve the most ideal sound (for non-professionals) | Headphone Reviews and Discussion - Head-Fi.org](https://cdn.head-fi.org/a/11697315.jpg)
The most reliable/easiest way to EQ headphones properly to achieve the most ideal sound (for non-professionals) | Headphone Reviews and Discussion - Head-Fi.org
![Open-back Sennheiser HD 660S2 headphones boast wider soundstage and crisper low frequency response - Yanko Design Open-back Sennheiser HD 660S2 headphones boast wider soundstage and crisper low frequency response - Yanko Design](https://www.yankodesign.com/images/design_news/2023/02/open-back-sennheiser-hd-660s2-headphones-boast-wide-soundstage-and-crisp-low-frequency-response/Sennheiser-HD-660S2-Headphones-8.jpg)
Open-back Sennheiser HD 660S2 headphones boast wider soundstage and crisper low frequency response - Yanko Design
![Many headphones have this dip around 9 kHz in frequency response graph. Can you help me understand what causes this dip and what the impact it has on sound quality? : r/headphones Many headphones have this dip around 9 kHz in frequency response graph. Can you help me understand what causes this dip and what the impact it has on sound quality? : r/headphones](https://i.redd.it/9ve3mdn3liq91.png)