Sennheiser Introduces Upgraded HD 660S2 High-Performance Headphones
The Sennheiser consumer division now managed by Sonova Consumer Hearing announced a new updated HD 660S2 model, expanding the capabilities of the popular 600-series family, the longstanding affordable benchmark for high-performance headphones from the brand. The company responded to the hi-fi community's feedback and the lessons learned from the Drop communities, crafting a headphone that improves the drivers, while skillfully balancing reference-level detail and frequency response.
