The comparison Audeze LCD-X vs Audeze LCD-3 may help you to make a choice between these two pairs of open-back headphones. They are wired and have an over-ear design.
The considered devices have a lot of features in common. For example, their frequency response is 10 Hz – 50 kHz. In addition, they have identical sensitivity which is 130 dB in both cases. The only distinction is in the impedance, as Audeze LCD-X has 20 Ohm, while Audeze LCD-3 has 110 Ohm.
Both of the mentioned appliances leak a lot of noise as they are open-back. Meanwhile, this feature makes their soundstage incredibly wide. Audeze LCD-X offers a very pure, low-distortion sound. There is such refined and sophisticated detailing to the mid-range that the middle instruments and vocals are reproduced with a huge amount of spatial information.
Usually the music provided by headphones sounds in your head, and it is hard for you to imagine what is happening in front of you. However, the Audeze LCD-3 has an incredible ability to reproduce the sound that is heard in a concert hall. It is great for acoustic symphonic music, as well as for popular music and everything else.
The devices are not suitable for those who are going to make phone calls using headphones since they are not equipped with a microphone. The thing that makes them comfortable to use is the audio cable, which is detachable. Its length is 190 cm for both, Audeze LCD-X and Audeze LCD-3. Consider that the devices have an adjustable headband but they do not have any buttons for control. These headphones are not portable at all as they cannot be folded and are pretty heavy. Each appliance weighs 635 g.