I finally deep cleaned my earbuds and I can’t believe how much better they sound


For months, I thought my favorite pair of earbuds, which I used a lot for podcasts and long workdays, was just wearing out as electronics do. The sound had become dull, the vocals seemed distant, the bass muddy, and the cymbals sounded indistinct. I blamed software updates, battery degradation, or just normal wear from daily use. I was already browsing for replacement models when I thought about cleaning them. This led to a serious look at how I take care of my earbuds. Basically, the jump in sound quality was immediate and embarrassing because it’s so simple. If you, like me, believe your earbuds are worn out and ready to throw away, you might be surprised to learn that their best days are still ahead.

Get rid of the debris

Earwax and dust can ruin your sound

Clean earbuds in  case Credit: Jorge Aguilar / How To Geek

Earbuds live in an environment where biological and environmental junk builds up quickly. After months of daily use, earwax, skin oils, sweat, and dust settle in the speaker grille’s mesh. It is nasty and will make you clean it far more often, be it AirPods or regular earbuds.

The main problem is earwax, which naturally cleans and protects your ear canal, but putting in earbuds traps it. This stops the wax from moving out on its own and pushes it against the acoustic ports. When you add lint from clothes and salt crystals from dried sweat, these materials stick together to form a dense, hard wall across the speaker grille.

Since it happens slowly, most people get used to the fading sound quality and don’t realize how bad the blockage is. As this layer of wax, oil, and dust hardens, it creates a physical barrier that keeps the earbud from working properly. The tiny drivers inside rely on fast, smooth movement to push air and make sound waves. When the mesh gets clogged with a thick plug of debris, it changes the acoustic impedance and surface tension, which physically holds the driver back.

This barrier blocks sound waves from reaching your ear canal. In bad cases, hidden wax buildup can completely seal off the driver, making the volume so low that people think their device is broken. Also, trapped moisture and organic junk can cause inconsistent sound and distortion during busy parts of a song. This buildup causes serious problems, like lower volume and muddy sound.

Since earwax plugs soak up high-frequency energy, the crisp parts of your music, usually between 2 and 6 kHz, are the first things you lose. This range is important for clear vocals and hearing different instruments. Testing shows this debris can drop these frequencies by 12 to 18 decibels. This creates a filter effect that makes audio sound dull and distant. Do not just turn up the volume to fix this sound.

This makes the amplifier work harder, drains the battery faster, and increases the risk of hearing loss. What seems like your earbuds getting old is usually just sound waves struggling to get through a wall of grime.

A clean driver is better

Clearing the grille brings back the detail

By following a good cleaning routine, you can make sure the output sounds like the original factory level again. Without that layer of wax acting as a filter, instruments sound sharp. You’ll notice the bass feels tighter instead of sounding muffled or muddy. Also, vocals that sounded distant or hollow will move back to the front of the mix.

Bringing back the high-end frequencies means you can hear small details again, like the shimmer of cymbals or subtle textures in the background of a track. This also fixes volume imbalances where one earbud is quieter than the other since it has more wax. Cleaning the driver does more than just make music louder; it reduces the mental effort and fatigue that comes from your brain trying to fill in the gaps of muffled audio.

Instead of cranking up the volume and straining your ears just to hear clearly, a clean mesh lets the drivers project the full range of sound exactly how it was recorded. This was a concern of mine for so long, because I did not want to keep raising the volume and hurting my eardrums.

The real culprit was just a needed, deep clean.

The best cleaning methods and safety considerations

Use the right tools to avoid damage

When you deep clean your earbuds, you need to use the right tools to make sure you don’t break the fragile hardware. Start with dry tools, like a soft-bristled toothbrush or an electronics brush, to knock off loose surface junk. Always hold the earbud with the mesh facing down while you brush in gentle circles, so the dust falls out instead of going deeper in.

For hard wax stuck to the edges of the grille, a wooden toothpick works well. You have to be extremely careful here; only scrape the outer edges and never push inward, or you might puncture the delicate membrane inside. Once the dry material is gone, you’ll need to clean off the sticky oils and wax residue.

Use a small amount of 70% isopropyl alcohol on a cotton swab or microfiber cloth. The alcohol dissolves organic oils and dries fast. This helps limit risk, but you must make sure no liquid leaks into the driver or charging ports. Never put the liquid directly on the earbuds. Instead, dampen your swab and wring it out so it is barely wet.

If liquid gets past the mesh, it can cause short circuits, rust the copper coils, or ruin the internal glue. It’s just as important to know what not to do. Never use sharp metal objects like safety pins or needles to pick out dirt. These can easily tear the mesh screen and ruin the speaker instantly.

Contrary to popular belief, compressed air doesn’t fix everything. Don’t use it and don’t try to blow into the earbud nozzle with your mouth. Forceful air can push dirt and bacteria deeper into the internal parts, where you can’t get them out. Compressed air can also break the fragile diaphragm, and blowing with your mouth adds moisture and bacteria that can lead to fungal growth and ear infections.

Stick to dry brushing and careful spot-cleaning with damp swabs until it is clean.


Always stay clean

Don’t do it just once, since you’ll find that doing it regularly keeps your audio quality high. That small, careful cleaning, using soft brush strokes and applying isopropyl alcohol, is what separates factory-fresh performance from months of poor sound. When you treat your earbuds as fine-tuned acoustic instruments that need maintenance, you’ll realize how important it is to take care of them.​​​​​​​

Apple AirPods 4 TAG

Noise Cancellation

No

IP Rating

IP54

Bluetooth

5.3




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In short: Accel has raised $5 billion in new capital, comprising a $4 billion Leaders Fund V and a $650 million sidecar, targeting 20-25 late-stage AI investments at an average cheque size of $200 million. The raise follows standout returns from its Anthropic stake (invested at $183B, now valued near $800B) and Cursor (backed at $9.9B, now reportedly around $50B), and lands in a Q1 2026 venture market that deployed a record $297 billion.

Accel, the venture capital firm behind early bets on Facebook, Slack, and more recently Anthropic and Cursor, has raised $5 billion in new capital aimed squarely at AI. The raise, reported by Bloomberg, comprises $4 billion for its fifth Leaders Fund and a $650 million sidecar vehicle, positioning the firm to write average cheques of around $200 million into late-stage AI companies globally.

The fund lands in a venture capital market that has lost any pretence of restraint. Q1 2026 saw $297 billion flow into startups worldwide, 2.5 times the total from Q4 2025 and the most venture funding ever recorded in a three-month period. Andreessen Horowitz has raised $15 billion. Thrive Capital has closed more than $10 billion. Founders Fund is finishing a $6 billion raise. Accel’s $5 billion is substantial but not exceptional in a market where the biggest funds are measured in the tens of billions.

The portfolio that made the pitch

What distinguishes Accel’s fundraise is the portfolio it can point to. The firm invested in Anthropic during its Series G at a $183 billion valuation. Anthropic has since closed a round at $380 billion and is now attracting offers at roughly $800 billion, meaning Accel’s stake has more than quadrupled in value in a matter of months. Anthropic’s annualised revenue has hit $30 billion, a trajectory that no company in history has matched.

The firm’s bet on Cursor has been similarly well-timed. Accel backed the AI code editor in June 2025 at a $9.9 billion valuation. By November, Cursor had raised again at $29.3 billion. By March 2026, the company was reportedly in discussions at a valuation of around $50 billion. For a developer tool that barely existed two years ago, the appreciation is extraordinary.

Accel’s broader AI portfolio extends beyond these two headline positions. The firm has backed Vercel, the frontend deployment platform; n8n, an AI-powered automation tool; Recraft, a professional design platform; and Code Metal, which builds AI development tools for hardware and defence applications. In March 2026, Accel launched an Atoms AI programme in partnership with Google’s AI Futures Fund, selecting five early-stage companies from what it described as a global applicant pool focused on “white space” opportunities in enterprise AI.

The Leaders Fund model

Accel’s Leaders Fund series is designed for later-stage investments, the kind of large cheques that growth-stage AI companies now require. With an average investment size of $200 million and a target of 20 to 25 deals from the new $4 billion fund, the strategy is concentrated: a small number of high-conviction bets on companies that have already demonstrated product-market fit and are scaling revenue.

This is a different game from traditional venture capital. At $200 million per cheque, Accel is competing less with seed and Series A firms and more with the mega-funds, sovereign wealth funds, and corporate investors that have flooded into late-stage AI. The firm’s argument is that its early-stage relationships and technical evaluation capabilities give it an edge in identifying which companies deserve capital at scale, and in securing allocations in rounds that are massively oversubscribed.

Founded in 1983 by Arthur Patterson and Jim Swartz, Accel built its reputation on what the founders called the “prepared mind” approach, a philosophy of deep sector research before investments materialise. The firm’s most famous prepared-mind bet was its 2005 investment of $12.7 million for 10% of Facebook, a stake worth $6.6 billion at the company’s IPO seven years later. The question now is whether Accel’s AI bets will produce returns of comparable magnitude.

What the market is pricing

The sheer volume of capital flowing into AI venture funds reflects a market consensus that artificial intelligence will be the dominant technology platform of the next decade. The numbers are difficult to overstate. OpenAI raised $120 billion in 2026. Anthropic has raised more than $50 billion. xAI closed $20 billion. Waymo secured $16 billion. These are not venture-scale numbers; they are infrastructure-scale capital deployments that would have been unthinkable outside of telecommunications or energy a decade ago.

For limited partners, the investors who commit capital to venture funds, the logic is straightforward: the returns from AI’s winners will be so large that even paying premium valuations will generate exceptional multiples. Accel’s Anthropic position, where a single investment has appreciated several times over in months, is exactly the kind of outcome that makes LPs willing to commit $5 billion to a single firm’s next fund.

The risk is equally visible. Venture capital is a cyclical business, and the current fundraising boom has the characteristics of a cycle peak: record fund sizes, compressed deployment timelines, and a concentration of capital in a single sector. The last time venture capital raised this aggressively, during the 2021 ZIRP era, many of those investments were marked down significantly within two years. AI’s commercial traction is far stronger than the crypto and fintech bets that defined that earlier cycle, but the valuations being paid today leave little margin for error.

The concentration question

Accel’s fund also highlights a structural shift in venture capital. The industry is bifurcating into a small number of mega-firms that can write cheques of $100 million or more and a long tail of smaller funds that compete for earlier-stage deals. The middle ground, the traditional Series B and C investors, is being squeezed by mega-funds moving downstream and by AI companies that skip traditional funding stages entirely, going from seed round to billion-dollar valuations in 18 months.

For a firm like Accel, which operates across offices in Palo Alto, San Francisco, London, and India, the $5 billion raise is a bet that it can maintain its position in the top tier as fund sizes inflate and competition for the best deals intensifies. Its portfolio of 1,199 companies, 107 unicorns, and 46 IPOs provides a track record. But in a market where Anthropic alone could generate returns that justify an entire fund, the temptation to concentrate bets on a handful of AI winners is strong, and the consequences of getting those bets wrong are correspondingly severe.

The broader picture is that AI venture capital has entered a phase where the funds themselves are becoming as large as the companies they once backed. Accel’s $5 billion raise would have made it one of the most valuable startups in Europe just a few years ago. Now it is table stakes for a firm that wants to participate meaningfully in the rounds that matter. Whether this represents rational capital allocation or the peak of a cycle that will eventually correct is the question that every LP writing a cheque today is, implicitly or explicitly, answering in the affirmative.



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