KRK KNS-8402

The KRK KNS 8402 is a wired, closed-back studio headphone with strong passive isolation and a wide frequency response. It's built for tracking and mixing, not calls or wireless listening. At EUR 99 to EUR 117, it's a solid value if you need an honest, durable monitoring tool.

The KNS 8402 lands in the 74th percentile for sound and 76th for build, which puts it in the "strong" category without pretending to be a flagship. The 40mm dynamic driver covers 5Hz to 23kHz, which is wider than most headphones in this price range and gives you a bit more air up top and rumble down low. In practice, that means you'll hear details in a mix that cheaper consumer cans smear over. The max SPL of 124 dB is overkill for any sane human, but it means distortion stays low even when you push the volume for a drummer who insists on "feeling" the click track.

Battery life is a non-issue because there isn't one. This is a wired headphone with a 3.5mm connection, so the 46th percentile battery score is just our database's way of saying "not applicable" in a category full of wireless competitors. Connectivity sits at the 40th percentile, which is fine for a cable, but don't expect Bluetooth, USB-C audio, or any kind of app support. The mic score is a rough 15th percentile, which makes sense. There's no inline mic on the stock cable, and these aren't built for calls. If you need a headset for Zoom meetings, look elsewhere.

Stacked against the Sony ULT WEAR WHULT900N/B or the Sennheiser MOMENTUM 4, the KRK KNS 8402 looks like a different species. Those are wireless ANC headphones built for commuting and casual listening, with batteries, apps, and codecs. The KRK has none of that. What it has is a flatter, more analytical sound signature and passive isolation that doesn't rely on digital processing. If you're mixing a track, the Sony's bass boost and ANC processing are liabilities, not features. The KRK gives you the signal as it is, which is exactly what you want when you're making decisions about a mix.

The JBL Tune 670NC and TOZO HT3 are closer in price, but they're still wireless consumer cans with ANC and heavy bass tuning. The Beyerdynamic Aventho is the closest philosophical match, a wired option aimed at listeners who care about accuracy. But the Aventho typically costs more and leans into a brighter, more clinical sound. The KRK sits in a comfortable middle ground: accurate enough for studio work, but not so sterile that casual listening feels like a chore. If you want one headphone for both mixing and enjoying music, this is a better compromise than most studio monitors.

Value is where the KNS 8402 gets interesting. The EUR price spread is notable, with listings ranging from EUR 99 to EUR 117 across DE, ES, FR, and IT. That's an EUR 18 gap for the exact same headphone, so if you're in Europe, it pays to check which store has the lower price before you click buy. At EUR 99, this is a solid deal for a studio tool with replaceable parts and a frequency response that punches above its weight. At EUR 117, it's still fair, but you're getting closer to territory where you might start eyeing other options. In the US, USD 139 to USD 149 puts it in a similar spot. Not cheap, not outrageous. Just honest mid-tier pricing for a wired headphone that does one job well.

The KRK KNS 8402 is a closed-back, over-ear headphone aimed squarely at studio work, tracking, editing, and anyone who wants an honest listen without the marketing fairy dust. It sits in that mid-tier wired headphone bracket, with EUR prices bouncing between EUR 99 and EUR 117 depending on where you shop, and USD listings around USD 139 to USD 149. You're not paying for wireless tricks or app gimmicks here. You're paying for a 40mm dynamic driver, a 5Hz to 23kHz frequency response, and a design that prioritizes isolation over flash.

People searching for studio headphones under EUR 120 often ask the same thing: are these good for mixing, and will they leak into a mic while recording? The short answer is yes on both counts. KRK claims up to 30 dBA of isolation, and the closed-back design backs that up. The 36 ohm impedance and 97dB sensitivity mean you can drive them off a laptop, an audio interface, or even a phone without needing a dedicated headphone amp. At 210 grams, they're light enough to forget you're wearing them, which matters when a session runs long.

We don't have customer review data for this one, so we're going off specs, benchmarks, and our own database. That means no hype, no "five stars, would buy again" fluff. Just what the numbers say and where this thing fits in a crowded market full of wireless ANC cans that cost more and do less for critical listening.

Skip the KRK KNS 8402 if you need a headset for calls, gaming, or commuting. The lack of a mic, Bluetooth, and ANC makes it a poor fit for those use cases. If you want wireless convenience with decent sound, the Sony ULT WEAR or Sennheiser MOMENTUM 4 are better picks, though they cost more. If you're a bass head who wants thumping low end for casual listening, the JBL Tune 670NC or TOZO HT3 will be more fun. This is a tool for people who need to hear what's actually in a recording, not a lifestyle accessory.

Should you buy the KRK KNS 8402? If you're recording vocals, editing podcasts, or mixing on a budget, yes. The isolation alone makes it worth considering, and the replaceable parts mean you won't be throwing it away when a pad wears out. The sound is detailed without being harsh, and the 36 ohm impedance means you don't need extra gear to get good volume.

But if you want a headphone for calls, gaming, or wireless convenience, this isn't it. No mic, no Bluetooth, no ANC. It's a purpose-built tool, and it's very good at that purpose. Just don't expect it to be something it's not.