Comparison

Sennheiser’s 600-series headphones have defined the audiophile midrange for nearly three decades. The HD 600, introduced in 1997, remains one of the most consistently recommended headphones in the entire hobby—a benchmark that newer products get measured against regardless of price. The HD 660S2, launched in 2022 as Sennheiser’s most ambitious evolution of the 600-series formula, represents the company’s clearest statement about where the platform can go when they’re willing to make genuinely significant changes. ...

Sennheiser’s 600-series headphones have defined the audiophile midrange for nearly three decades. The HD 600, introduced in 1997, remains one of the most consistently recommended headphones in the entire hobby—a benchmark that newer products get measured against regardless of price. The HD 660S2, launched in 2022 as Sennheiser’s most ambitious evolution of the 600-series formula, represents the company’s clearest statement about where the platform can go when they’re willing to make genuinely significant changes. ...

Sennheiser’s 600-series headphones have defined the audiophile midrange for nearly three decades. The HD 600, introduced in 1997, remains one of the most consistently recommended headphones in the entire hobby—a benchmark that newer products get measured against regardless of price. The HD 660S2, launched in 2022 as Sennheiser’s most ambitious evolution of the 600-series formula, represents the company’s clearest statement about where the platform can go when they’re willing to make genuinely significant changes. ...

Meze Audio built their reputation on a single product: the 99 Classics. Launched in 2015, it became one of the most consistently recommended closed-back headphones at its price point—praised for comfort, sound quality, and a wood aesthetic that stood out sharply in a market dominated by plastic and faux-leather. The 99 Neo followed in 2017 as a more affordable alternative sharing the same driver and acoustic platform, but with different materials and a lower price. ...

Meze Audio built their reputation on a single product: the 99 Classics. Launched in 2015, it became one of the most consistently recommended closed-back headphones at its price point—praised for comfort, sound quality, and a wood aesthetic that stood out sharply in a market dominated by plastic and faux-leather. If you’re curious about Meze’s flagship, read our Meze Empyrean III review for a taste of their planar magnetic high-end. The 99 Neo followed in 2017 as a more affordable alternative sharing the same driver and acoustic platform, but with different materials and a lower price. ...

Meze Audio built their reputation on a single product: the 99 Classics. Launched in 2015, it became one of the most consistently recommended closed-back headphones at its price point—praised for comfort, sound quality, and a wood aesthetic that stood out sharply in a market dominated by plastic and faux-leather. The 99 Neo followed in 2017 as a more affordable alternative sharing the same driver and acoustic platform, but with different materials and a lower price. ...