CCA ZS10 Pro2 PRO 2

The KZ ZS10 Pro 2 is a wired in-ear monitor with 5 hybrid drivers that delivers best-in-class sound quality for around $55 to $60. It's a budget audiophile's dream with a 4-level tuning switch and Hi-Res audio support. Just don't expect wireless connectivity, good build quality, or all-day comfort.

The sound is where the ZS10 Pro 2 earns its keep. That 1DD+4BA hybrid setup delivers a level of detail and separation that's genuinely impressive for the money. The 10mm dynamic driver gives the bass real weight and texture, while the four balanced armatures pick apart the treble and upper mids with surgical precision. Cymbals shimmer, vocals cut through the mix, and you'll hear little production details in songs you've listened to a hundred times that you never noticed before. The 4-level tuning switch is a nice touch too. You can flip between different sound signatures depending on whether you want more bass thump or a flatter, more analytical response.

Sensitivity is rated at 108±3dB, which means these get plenty loud without much power. The 20Hz to 40kHz range is wider than most ears can even perceive, but it means the drivers aren't straining at the extremes. In practice, the ZS10 Pro 2 handles complex tracks with layered instrumentation better than most wireless earbuds at twice the price. The soundstage feels wide and airy for an IEM, and the dynamic range lets quiet passages breathe before a big chorus hits.

The mic is about average, nothing special. Fine for phone calls in a quiet room, but don't expect it to replace a dedicated headset. And since there's no battery to speak of, the battery percentile ranking is meaningless here. It's a wired set. You plug it in and it works until the cable gives out.

Stacked against the Sony WF-C700N, the KZ ZS10 Pro 2 wins on sound quality by a mile. The Sony is a wireless ANC earbud with decent tuning, but it can't touch the detail and separation you get from five dedicated drivers. The trade-off is obvious: the Sony gives you Bluetooth, active noise cancellation, and a pocketable charging case. The KZ gives you a cable and a prayer. For pure listening at a desk, the KZ is the better pick. For commuting or travel, the Sony makes way more sense.

The Technics EAH-AZ80 is in a completely different league price-wise, often running three to four times the cost of the KZ. And yet, the KZ still beats it on raw sound quality in our database. That's wild. The Technics has better build, better comfort, better connectivity, and actual ANC. But if you're the kind of person who cares about frequency response graphs and driver counts, the KZ makes a strong case for itself. The EarFun Air Pro 4+ and Nothing Ear (3) are both solid wireless options with good sound for the money, but neither comes close to the KZ's 99th percentile sound ranking. You're choosing between convenience and fidelity, and the KZ is all in on fidelity.

At $55 to $60 USD, the KZ ZS10 Pro 2 is a steal if sound quality is your only priority. You're getting a 5-driver hybrid IEM with tuning switches for less than the cost of a decent dinner for two. In Brazil, prices swing from BRL 405 to BRL 477 across vendors, so it's worth shopping around. The best deal we're seeing is on Amazon.com.br at the lower end of that range. Compared to the Sony WF-C700N or Soundcore P31i, both of which cost more and are wireless, the KZ absolutely destroys them on pure audio fidelity. But you're giving up Bluetooth, ANC, and any kind of water resistance. If you're a student or someone building a first audiophile setup on a budget, this is a no-brainer. If you need wireless convenience, look elsewhere.

The KZ ZS10 Pro 2 is a wired in-ear monitor that crams five drivers into each earbud for around $55 to $60 USD. That's a 10mm dynamic driver handling the low end and four balanced armatures covering the mids and highs. It's aimed squarely at the budget audiophile crowd, the folks who want that detailed IEM sound without dropping hundreds on a pair of Campfire or Moondrop sets. You get a 0.75mm detachable silver-plated cable, a 3.5mm plug, and a built-in mic on some versions.

So is the KZ ZS10 Pro 2 good for music? Based on our database, the sound quality is the absolute best right now, sitting in the 99th percentile for this category. That's a huge deal at this price. The frequency response runs from 20Hz up to 40kHz, which covers Hi-Res audio territory. Impedance sits between 25 and 28 ohms, so you can drive these off a phone or laptop without needing a dedicated amp, though a dongle DAC will wake them up nicely.

But this is a wired IEM in a world gone wireless. There's no Bluetooth, no ANC to speak of, and the build quality is mediocre. If you're looking for gym earbuds or something to wear on a run, keep scrolling. These are for sitting down and actually listening to music, not for sweating through a workout.

Skip the KZ ZS10 Pro 2 if you need wireless earbuds for commuting, working out, or taking calls on the go. The fitness score is one of the worst we've seen, and the lack of any water resistance means sweat and rain are real risks. If comfort is a priority, the below-average fit might bother you during long sessions. And if you're rough on your gear, the cheap plastic build won't hold up. For wireless alternatives with good sound, look at the Sony WF-C700N or the EarFun Air Pro 4+. For a more durable wired IEM, consider spending a bit more on something from Moondrop or Truthear.

Should you buy the KZ ZS10 Pro 2? If you want the best possible sound quality for under $60 and you don't mind a wire, yes. Absolutely. This is one of the easiest recommendations we can make for budget audiophiles. The sound is genuinely top-tier, the tuning switches add real flexibility, and the detachable cable means you can swap in a better one down the road. For gaming, it's decent too. The wide soundstage and precise imaging help with positional audio in shooters, though the lack of a boom mic means you'll want a separate mic for voice chat.

But if you need wireless, if you want earbuds for the gym, or if you can't stand the idea of carrying a dongle around, this isn't for you. The build quality is the weakest link here. The plastic shells feel cheap, and the comfort ranking is below average, which means long listening sessions might get fatiguing. Still, for the price, the sound alone justifies the purchase. Just don't expect them to survive a drop onto concrete.