The Sony MDR-NC100D is an in-ear headphone while the other one is an on-ear variant. The Sony DNC (digital noise cancellation) ensures effective cancellation of ambient noise and users can control the volume according to their preferences. Also, the company claims excellent overall quality with the use of Sony S-Master Full Digital amplifier.
To match the audio output to characteristics of the original signal, this headset is embedded with Sony Digital Equalizer. The intelligent devices also activate Artificial Intelligence Noise Cancelling (AINC) with a single button which selects the best mode of noise cancellation by sensing environmental noise.
The company believes that the headset deliver the effective sound cancellation, audio quality, along with comfortable and classy design. But this is designed with certain technical differences.
The MDR-NC100D on-ear headset with the full-size 13.5mm drivers, The ear pads of the on-ear variant are made of urethane cushion which should deliver comfortable use with its light weight and pressure relieving design. They come with a carrying case which also ensures convenient portability.