Sennheiser has introduced the CX 80U and HD 400U in India, but this is not just another product refresh. It feels like a response to a shift that the industry itself helped create.
As smartphones and laptops continue to move away from the 3.5mm headphone jack, wired audio hasn't disappeared. It has quietly adapted. With USB-C now becoming standard across devices, Sennheiser is repositioning its classic wired lineup around a format that fits modern hardware without losing its core appeal. The CX 80U in-ear earphones and HD 400U over-ear headphones are built around a straightforward idea: plug in and use. There's no pairing, no charging, and no battery management. In a category increasingly defined by wireless convenience and feature layers, these devices lean into simplicity. That simplicity, however, is also what gives them relevance. For users juggling work calls, streaming, and gaming across multiple devices, the predictability of wired audio still holds value.
Digital Audio Without The Trade-Offs
Both models support up to 24-bit, 96kHz audio playback, enabling direct digital output through USB-C. This isn't positioned as a technical highlight as much as it is a functional one. The advantage is consistency. There's no compression from Bluetooth, no latency spikes, and no dependency on battery levels. The experience remains stable, regardless of use case.
In a way, this brings wired audio back into conversations where wireless solutions still struggle to stay invisible.
Familiar Designs, Updated For Today's Devices
The HD 400U carries forward the design of the HD 400S, retaining its closed-back, over-ear form factor with passive noise isolation. It is lightweight, portable, and designed for everyday use rather than niche audiophile setups. The CX 80U follows a similar path. It keeps the compact, in-ear design of the CX 80S, offering balanced sound and a focus on comfort with multiple ear tip options.
There's no attempt to reinvent the hardware. The change is in how these devices connect and where they fit.
Built Around Everyday Control And Compatibility
Both devices include an in-line smart remote and MEMS microphone, enabling call handling, music control, and voice assistant access. With USB-C connectivity, they are compatible across Android smartphones, tablets, laptops, and PCs. This broad compatibility reflects a shift toward multi-device usage, where users expect a single audio solution to work everywhere without friction.
Price and Availability
The CX 80U is priced at Rs 1,990, while the HD 400U comes in at Rs 5,990. Both models are available in India starting April 22, 2026, across Sennheiser's official website, major e-commerce platforms, and offline retail stores.


