Why Everyone is Buying the S4 Plus Yogiri (Full Review)

Introduction — Why I Decided to Try the S4 Plus Yogiri

I've been using the S4 Plus Yogiri for about four months now. I'd seen it everywhere — online discussion threads, friends recommending it, and a steady lineup of people testing it on their commutes — so I finally bought a pair to see if the hype matched reality. I wanted something that balanced reliable active noise cancellation, long battery life, and a comfortable fit for day-long use. What I found was a product that gets most things right and still leaves a few small, but honest, annoyances.

My Overview After Several Months

In my experience, the S4 Plus Yogiri sits in a sweet spot: it’s not the absolute best in any single spec-sheet category, but the combination of features, firmware maturity, and price makes it a daily driver for me. I've used these earbuds everywhere — on trains, during workouts, while working from coffee shops, on a few flights, and for long conference calls. Over time, the small frustrations became clearer, as did the reasons I keep reaching for them over other pairs I own.

Detailed Review and Analysis

Design & Build

The S4 Plus Yogiri comes in a matte case with a soft-touch finish that resists fingerprints well. The earbuds have a slightly elongated stem and a rounded housing that tucks into the ear canal. I appreciated the solid hinge on the case during the first two months; after three months of daily pocket carry it developed a tiny bit of play, but nothing that affected functionality. The charging case fits comfortably in a front pocket — it's not tiny, but also not obtrusive.

One thing I noticed: the stock silicone tips provided a good seal for me, but I had to try the smallest size to get a secure fit. If you have very small or very large ear canals, you might prefer third-party foam tips for a perfect fit.

Comfort and Fit

Comfort is one of the main reasons I kept using these. They're light enough that I forgot I was wearing them during long work sessions. The rounded shape prevents hotspots in the concha of my ear, which happened with some other bulky models. During runs and sweaty gym sessions the IPX4 rating held up — no problem with splashes or sweat. However, I would be cautious submerging them or using them in heavy rain.

Sound Signature and Performance

Sound-wise, the S4 Plus Yogiri leans slightly warm with a bass bump that gives music a pleasing weight without completely overwhelming mids. Vocals are clear and present, though the very highest frequencies can feel a touch bright at high volumes — I noticed some sibilance on certain tracks. The soundstage is decent for true wireless earbuds; orchestral pieces opened up more than I expected, but they don't recreate the sense of space you get from full-size headphones.

There's a built-in EQ in the companion app with a few presets and a simple four-band manual curve. I used the "Balance" preset most of the time and tweaked the low-mid slightly down for podcast clarity. The EQ is useful, but the app would benefit from a more granular parametric equalizer.

Active Noise Cancellation (ANC) and Transparency Mode

The S4 Plus Yogiri's ANC impressed me in real-world use. On public transit and airplanes it reduced steady, low-to-mid-frequency noise very effectively — engine hums, HVAC, and distant chatter were noticeably quieter. The ANC struggles more with sudden high-frequency sounds like clattering dishes or sharp door slams, which comes as no surprise; most earbuds struggle here.

I liked the transparency mode for conversations. It sounded more natural than some competitors: voices came through without the artificial hiss I hear on other models. After a firmware update the transition between ANC and transparency became smoother, which improved the day-to-day experience.

Battery Life and Charging

Battery life was a strong point for me. I typically got around 7–8 hours of continuous listening with ANC turned on at moderate volume — a bit over the advertised figures after a few optimization updates — and closer to 11–12 hours with ANC off. The case supplied roughly three full recharge cycles, giving me a real-world total of about 30–35 hours before I needed to plug the case in. The case supports USB-C charging and also wireless charging, which I used occasionally to top up during long travel days.

Connectivity, Latency, and Multipoint

Pairing was straightforward. I primarily used the S4 Plus Yogiri with an Android phone and a work laptop. Bluetooth stayed reliable within a typical room range. Latency was low enough that I didn't notice lip-sync problems when watching videos on my phone. There's a low-latency "gaming mode" in the app that tightened synchronization further for mobile gaming, which I appreciated for quick sessions.

Multipoint worked inconsistently at first: I could pair to two devices (phone + laptop), but occasionally audio would switch awkwardly during incoming calls. Another firmware update improved the handoff but didn't eliminate every hiccup. If you frequently switch audio between many devices throughout the day, keep in mind there may still be minor friction.

Call Quality

Call quality is good in quiet settings and acceptable in moderate noise. The earbuds use beamforming mics that isolate the speaker's voice nicely in office environments. On windy days outdoors, however, calls sounded muffled unless I cupped the earbud or moved to a more sheltered spot. Overall, they're solid for daily calls and meetings, but don't expect studio-level isolation during outdoor calls.

Companion App and Updates

Durability and Long-Term Use

After four months of daily use, the earbuds show minimal wear. The finish on the case is holding up well. I did notice the right earbud's touch control became a little less responsive after heavy use during month three; recalibrating via the app helped. I would characterize build quality as solid for the price range — not luxury-level, but robust enough for daily carry and frequent use.

Pros & Cons

• Pros:
  • Comfortable fit for long listening sessions
  • Effective ANC for steady, low-to-mid frequency noise
  • Very good real-world battery life and wireless charging case
  • Natural, usable transparency mode
  • Helpful firmware updates that improved performance over time
• Cons:
  • Touch controls can be overly sensitive and inconsistent
  • Call quality degrades noticeably in windy conditions
  • Companion app EQ is limited for power users
  • Multipoint switching still has occasional hiccups
  • Case hinge developed a small amount of play after heavy pocket carry

How It Compares — Quick Table

I compared the S4 Plus Yogiri to two other popular true wireless options I own. The table highlights the most relevant day-to-day differences I experienced.

Who Should Consider the S4 Plus Yogiri?

In my experience, the S4 Plus Yogiri is a great match if you value long battery life, comfortable day-long wear, and strong ANC for travel and commuting. If you want studio-grade call clarity in all conditions, or you need the absolute lowest latency for competitive gaming, there are better niche options. But for an all-rounder you can rely on every day, these punch above their weight.

Buying Guide — What to Look For (and What I Learned)

After months with the S4 Plus Yogiri, here's the checklist I use when buying earbuds now. If you’re shopping, use this to decide whether the S4 Plus fits your priorities.

1. Fit and Tip Selection

I found that a secure seal changes everything — bass response, ANC performance, and isolation during calls. Try to get a pair that ships with multiple tip sizes or be prepared to buy foam tips if you need a better seal. The S4 Plus included three sizes, and the smallest was the one I used most.

2. Real-World ANC, Not Just Numbers

Marketing often brags about "X dB of ANC," but what matters is how the ANC handles the noises you actually encounter. Test for train hum, airplane engine noise, and office HVAC. The S4 Plus is particularly good at constant low-frequency noise, which is where most people will judge ANC daily.

3. Battery Life That Matches Your Routine

Look beyond single-charge numbers and consider the case capacity. If you travel for a day or take long shifts where charging is inconvenient, a case with 2–3 full charges is invaluable. I routinely got three top-ups from the S4 Plus case, which saved me from hunting for a charger mid-travel.

4. Companion App and Firmware Support

Check whether the manufacturer regularly updates their firmware and whether the app provides useful features like ANC tuning, EQ, and multipoint control. The S4 Plus received a couple of meaningful updates that fixed issues I encountered early on.

5. Microphone Performance for Your Environment

If you take lots of outdoor calls, prioritize wind-handling performance. The S4 Plus handled indoor calls excellently, but wind posed a real challenge. If your daily calls are mostly indoors, this will likely not be a problem.

6. Connectivity Needs

Decide if you need multipoint, low-latency modes for gaming, or specific codecs (aptX, AAC, LDAC). I used the S4 Plus on both Android and iPhone; codec support and gaming mode made it versatile for both.

Final Verdict

After several months with the S4 Plus Yogiri, I'm still using them every day. What convinced me was the consistent balance: comfortable fit, dependable ANC for travel, long battery life, and practical firmware improvements that addressed early quirks. The earbuds aren't perfect — touch controls and wind-handling on calls left me wishing for slight refinements — but the overall package delivers a lot of value for daily users.

If you want earbuds that handle commuting, long workdays, and casual workouts without fuss, the S4 Plus Yogiri is a strong contender. In my experience, they do most things well enough that owning them simplifies my daily kit rather than complicates it — and that's why so many people I know ended up buying them too.