The Major V features a new "M" button for quick access, which was absent in the Major IV, offering more user customization.

The Major IV's extreme V-shaped tuning leads to a congested, muddy sound with overly pronounced bass and treble, potentially harmful for sensitive ears.

The M-button can be set up to trigger Alexa via the Marshall app.

The battery shows a 1% drop every two hours of listening at 50% volume, indicating strong battery life.

The Major V supports AAC, which is beneficial for iPhone users, unlike the previous Major IV model.

A user noted that the Major IV headphones caused ear pain initially, which subsided after a week of use, indicating a break-in period for comfort.

The four-way joystick toggle on Major IV is noted as frustrating due to lack of app support for remapping, affecting user control preferences.

The Major IV’s build quality is criticized for excessive plastic use, questioning its durability relative to its price point.

Some users reported a loose sound inside the headphones, potentially due to a small plastic part inside the headset.

The Marshall Major IV is often discounted by up to 50%, suggesting it might be overpriced at the original retail price.

The Major V offers 25% longer battery life than the Major IV, justifying the price difference for extended usage.

Owners suggest that IEMs like Moondrop Aria 2 offer better sound quality and passive noise isolation compared to the Marshall Major IV.

The Sennheiser Momentum 4 is preferred for its groundbreaking noise-canceling capabilities, especially effective in noisy environments like highways.

The Major V supports improved codecs (SBC, MPEG-2 AAC, LC3) over Major IV, which had only SBC, enhancing audio quality for compatible devices.

A user shared EQ settings to enhance sound, which include boosting bass and certain mid frequencies for better audio balance.

They are deemed comfortable for glasses wearers with thin, lightweight frames.

They provide good passive isolation, but users notice footsteps while walking, suggesting strong passive noise isolation.