What is Speaker and Headphone Burn-in?
Speaker and headphone burn-in (aka run-in or break-in) is the process of taking new audio equipment for a specific period to break in its internal components. The goal is to loosen up the materials that make up the drivers—the parts that produce sound—so they can perform at their optimal and intended frequency response.
The flexible components of a speaker or headphone driver, like the cone suspension and spider, are stiff when new. Playing audio through them, typically at a medium volume, helps these parts become more compliant, allowing the driver to move more freely and accurately. This improves the characteristic speaker compliance – a speaker’s speed that it returns to the resting center point.
While this break-in happens over time with regular music playback, a dedicated burn-in process with specific audio, like a mix of noise, tones, and sweeps across the full frequency spectrum can speed up the process and ensure all frequencies are covered (not just the popular G, C,D, A, E etc. musical frequencies and overtones). The change is subtle, but for some listeners, it can result in a tighter bass response, a smoother high end, and a more open or detailed soundstage.
Burn-in sounds from the Noise Ambient channel:
👉🎧🔊Speaker Headphone Subwoofer Burn-In Bundle of audio downloads
Headphone Burn-In Noise and Tones for 12 Hours
Speaker Burn-In Noise to Break in New Monitors & Loudspeakers
Subwoofer Burn-In – Break In Your New Subwoofer Speakers Effectively
Why Manufacturers Are Divided on the Process
Not all manufacturers agree on the need or effectiveness of burn-in. This is an ongoing point of debate in the audio community.
Manufacturers who recommend burn-in often see it as a crucial step to ensure their products perform as designed. They understand that the mechanical properties of a new driver will change slightly with use. Some high-end companies may even perform a burn-in process at the factory before shipping a product. This “fast-tracking” ensures that the customer receives a product that is already operating at its best. However, this adds time and cost to the manufacturing process, which isn’t always practical for mass-market brands.
Manufacturers who don’t recommend burn-in often argue that modern materials and manufacturing techniques result in drivers that are already operating within their optimal performance range right out of the box. They believe a placebo effect is likely responsible for any perceived difference, with the listener’s brain getting used to the new sound signature rather than a physical change in the equipment. For these companies, the added time and expense of a burn-in process are unnecessary.
Cambridge Audio Speaker Run-In
Selby – Brand new Speakers Here’s How To Burn Them In
Insights from the Noise Ambient video comments:
@atinbx this audio really opened up my IEMs earphone …they sound lot better than before …….using KZ zs
@scrappy7571 Just finished 16 hours on my new JBL L82’s. They sure do sound better. The bass is much deeper and the imaging more defined. GREAT!
@Trashloot I don’t know enough about audio to not embarrass me if would go into more detail but this really improved my headset. Thanks a lot for your work :D.
@APurpleSpy Picked up a pair of Hifiman Sundaras a few days ago and was incredibly disheartened to find that the sub 100hz region in the left channel was almost non-existent. After a few days of alternating between normal use and burn in loops it has completely returned and the cans sound incredible. Burn in is a case by case thing, don’t expect it to suddenly fix all your problems, or make a headphone sound magical. Hell most of the time you won’t hear anything different at all.
@marcofreire Burning-in a headphone is the same as using it for many months, but with faster progress. Yes, burn-in works and make a big difference in sound. I have a very cheap Philips headphones for many years, 15 years if I remember correctly, and they started to have big distortion in both drivers; guess they need retirement. I loved the headphones, not much bass and rich mid and high frequencies. Bought another Philips headphones with the same drivers and the sound was bad. I mean really bad. I was expecting a small difference since they were new, but man, they were bad. There was too many bass and the mid and high frequencies were flat. I burn-in the new headphones for about 13 hours at max volume, and the improvement was real. It was a totally different headphones. It is not placebo. Sure. After some months of usage the new headphones’ sounds would improve, but I couldn’t use them as they were. They sounded really bad. Every new (pair of) headphones I always do a burn-in.
@MaximumTheMokona I don’t know if I believe in burn-in… ideally, I know it SHOULDN’T work, but sometimes I have an issue with new headphones and it doesn’t cost anything to try it. even if it’s just a psychological matter, the important thing is getting them to sound right to me in the end, and burn-in sometimes helps. I think all hearing is psychologically informed anyway, perhaps even more so than vision. Or maybe it’s the tiny driver-fixing gremlins that live in white noise. That’s possible too.
@soup_troop I think burn in is real on planar headphones, a great example are the drop hifiman HE4XX, after running this entire video on ’em they sounded like a completely different headphone.
Conclusion
In the end it is up to the user to decide if they would like to try the speaker burn-in and hear the results. These sounds were made using my audio engineering experience and based on the theory and concept of speaker and headphone burn-in. I have no stance on the debate. Many discerning listeners find it a simple process that can unlock the true potential of their new audio gear, though it may not be a universally accepted practice.