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About the DS-421D

The DS-421D is the latest set of state-of-the-art in-ear digital ambient noise cancelling stereo headphones with voice microphone, providing crystal-clear high definition quality audio and voice calls in any environment.

Through its brand Digital Silence™, audio and noise cancellation specialists Cirrus Logic (formally Wolfson Microelectronics) combine class-leading digital Ambient Noise Cancellation (ANC) technology and three user-selectable modes; ideal for travelling.

  • General Mode: 20dB noise cancellation across a wide frequency band. Immune from overload issues in environments such as public transport.
  • Aeroplane Mode: removes lower frequency noise, useful for blocking constant background aircraft noise.
  • Office: optimised to give greater cancellation around speech frequencies (mid-range 200-1kHz).

The DS-421D is available in two-tone black from online retailers. Full DS-421D specification here

About the DS-321D

The DS-321D is a pair of state-of-the-art in-ear digital ambient noise-cancelling stereo headphones with voice microphone, perfect for the busy professional.

Developed by audio and noise cancellation specialists Cirrus Logic (formally Wolfson Micro Electronics), the DS-321D combines digital Ambient Noise Cancellation (ANC) with high definition quality music playback to avoid unwanted noise affecting music or calls.

The DS-321D is available in black or white from online retailers.Full DS-321D specification here

About the DS-101A

The DS-101A is an industry-defining stereo ear-bud headset reference solution, delivering Cirrus Logic’s unique feed-forward Ambient Noise Cancellation (ANC) technology in a mass-market headset.

Cirrus Logic’s feed-forward ANC technology results in crystal clear audio by eliminating background noise, removing the need for consumers to increase the audio volume to compensate for external noise.

The DS-101A is available in black or white from online retailers.Full DS-101A specification here