Pretty bassy with a bit of bloat in the lower midrange but overall very pleasing response. A bit sharp up top but resolution seems to be pretty good - a fair bit sibilant. I pretty much had no complaints in the midrange - maybe just a tiny bit bright in the upper midrange though I do like that range to be slightly recessed than 'neutral' so it seemed 'neutral'. Overall resolution is very good but not excellent. Tonality is pretty natural But as I said, at typical listening levels, I found the MDR-1AM2 to be quite pleasing. A common complaint of many headphones these days is overly strong bass but this is certainly not the case with the MDR-1AM2. Bass is strong but not overly emphatic and clean. It is certainly not muddy, so drums strike with adequate authority and precision. The mids are present and not grainy, which gives vocals and guitars a smooth and inviting sound. The treble, however, is its most problematic component as it is overly emphasized and has an uneven, unnatural sound. Comfort and weight are perhaps the biggest selling points of this headphone. Sure, those specs are impressive, but they only get more impressive when you actually hold this headphone in your hands and realize just how incredibly light it is. You could wear this baby all day and never feel a thing.

According to this graph, you can estimate at what volume the headphones will be perceived more flat. Possibly due to the fact that the lower treble is slightly recessed, the presence of instruments and vocals are set a distance away from the listener. Combined with its airy treble, this helps give the perception of a spacious sound although the soundstage is neither particularly wide nor deep. This is why I enjoy using the MDR-1AM2 for live performances as well. In terms of design, these headphone offer a strikingly similar layout. The biggest difference manifests itself in the Sony MDR-1AM2’s single input, while the Audio Technica MSR7B features dual inputs. Sony also offers a mic and remote on the 3.5 mm cable, while Audio Technica skips this feature.

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The impulse response is displayed as is, without compensation of the frequency response for the microphone or smoothing. It is RAW data. The reduction in the frequency response of the microphone starts at 20 kHz . I wish at least the headband was made from velour or alcantara so it lasts longer and doesn't require regular cleaning. From the impulse response, most of the parameters under study are calculated: frequency response, phase-frequency response, group delay, waterfall, step response and square wave. The impulse response is visually not informative and for obtaining the majority of characteristics a fast Fourier transform and other mathematical algorithms with the analysis of the total pulse length are used. The total pulse length is about 5 seconds, while only the beginning of a pulse of 2-4 milliseconds is visually visible. Vertically, the visual detail does not exceed 40-45 dB. First, this headphone is crazy sensitive. I have had many portable headphones and none are this sensitive. It almost behaves like an IEM in this regard --- on an iPhone I actually volume match it with my DD IEM and find the volume to be sufficient. On most desktop amps it will hiss. Again something that's much more common with IEMs than full-sized headphones. Any movement of the cable will carry through to the cans, interfering with the sound quality. So if you are working at your computer and have to move your head, even a centimeter, you will hear it.

The whole entire front baffle comes right off from the earcup cavity. Carefully lift the front baffle out. Careful not to yank and snap the internal wiring. I also have to discuss the relevance of the MDR-1AM2 today in 2020. With the recent release of the Sony WH-1000XM4 in Aug 2020, it would be interesting to listen to how the wired MDR-1AM2 fares against its wireless counterpart. While I do not have a pair of WH-1000XM4 to make a definitive comparison at the moment, I intend to audition them one day to come to that conclusion. I also got measurements on them. I used a MiniDSP EARS and used their default headphone compensation.

During the measurements, a special amplifier was used with zero total output impedance over the entire frequency range, which required no compensation for the amplitude response . The microphone is calibrated to 45 kHz with an appropriate frequency response correction. RAA measurements are made in 192 kHz / 24 bit mode. As for alternatives, I'm not 100% sure what will replicate the same or similar results but I'd try cotton stuffing they use for stuffed animals. Los que podrían ser comprables en sonido, serían unos Sennheiser HD 599, pero estos son abiertos, lo que te obliga a usarlos en casa y en ambientes tranquilos.

More comfortble to wear, a light and detachable cable. Frequency range is so much broader while requiring a fraction of the ohms (16 vs 63) so no need for amp boosting. I love how Sony includes both sets of cables, allowing for flexibility between sources. The pouch contains a separate compartment to store the 2 different cables which is good thinking on Sony’s part. Overall, the Audio Technica offers a more balanced sound profile, with ample extension in the lows and highs. The Sony, in contrast, skews a bit more fun-sounding, though its powerful bass can lead to an impression of a darker sound. Lows The over-the-ear design is too tight for my liking. With my Sennheisers (598 SE), I could forget I was wearing them. I can't with the MDR1AM2s. I find myself frequently adjusting the left can for proper fit. Nipponjin must have small ears compared to Germans. Comparándolos con unos Meze 99 Classics, los Meze suenan un poco mejor (no por mucho) su desventaja es que debido a su diseño, también te obliga a escucharlos en casa, ademas de que son más caros que los Sony.The MDR-1AM2’s predecessors were renown for being extremely comfortable and I’m happy to report that the MDR-1AM2 is the same. To begin, the MDR-1AM2 is extremely light, weighing just 187g. The headband is lined with soft synthetic leather and distributes what little weight of the headphone nicely. I have gone through a variety of headphones over the years. I have accepted the minor flaws in a variety of very good headphones for the purposes of gaming, mobile music listening, etc.... but my go to was always my old Sony MDR7506. And I have been reluctant to get another pair of MDR7506's because of the one structural flaw in its design... the ultra heavy duty, and heavy weighted wire that inevitably loosens its connectivity at the point directly inside the headphone. What I think SONY tried to do is make a sound signature that's somewhere in between what consumers like and what audiophiles like and