Linsoul Hype THIEAUDIO Hype 4

The THIEAUDIO Hype 4 is a six-driver hybrid IEM with elite sound quality, ranking in the 98th percentile in our database. The isobaric dual dynamic drivers deliver powerful, textured bass, and the tuning is flat and accurate. At $399 USD, it's a solid value for musicians and audiophiles who prioritize sound above all else. But comfort, build quality, and the lack of wireless make it a poor fit for casual listeners.

The sound quality here is the headline. Our database puts the Hype 4 at the 98th percentile for sound, which means it's basically at the top of the charts for in-ear monitors. The tuning follows THIEAUDIO's house sound, which they've refined across the Monarch MKII, Clairvoyance, and Oracle. Strong sub-bass that cuts off cleanly around 200Hz, a ruler-flat midrange, and a smooth treble roll-off. That means vocals and instruments sound natural, bass hits hard when it should, and nothing gets harsh or fatiguing.

The isobaric dual dynamic driver setup is doing real work here. Two 10mm drivers working together in a sealed chamber gives you more bass pressure and texture than a single driver of the same size. The 17 ohm impedance and 105 dB sensitivity mean you can drive these off a phone dongle or laptop headphone jack without needing a dedicated amp. That's a nice touch for a $399 IEM, since a lot of high-end gear demands a beefy source to sound right.

The Hype 4's biggest competitors aren't other wired IEMs in our database, they're the wireless flagships. The Sony WF-1000XM6 and Apple AirPods Pro 3rd Generation both offer active noise cancelling, wireless connectivity, and solid sound quality. They're also way more convenient for daily use. But the Hype 4 crushes them on raw audio performance. The 98th percentile sound score versus whatever those wireless buds manage is not a close fight.

The Technics EAH-AZ100 and Samsung Galaxy Buds3 Pro are also in the mix, and they're fine products. But again, they're solving a different problem. If you want to listen to music on the subway, get wireless buds. If you want to hear exactly what the mix engineer intended, with proper sub-bass extension and a flat midrange, the Hype 4 is the tool for the job. The Nothing Buds 2 are cheaper and more casual, but they're not in the same league sonically.

At $399 USD, the Hype 4 is not cheap. But for a six-driver hybrid IEM with this level of tuning, it's actually pretty reasonable. You're getting a sound signature that borrows from THIEAUDIO's more expensive models, like the Monarch MKII, at a fraction of the price. The European pricing is a bit rougher, around 442 to 458 EUR, and Canadian buyers are looking at 596 CAD. That's a meaningful chunk of change.

Compared to the wireless competition, the value proposition is different. The Sony WF-1000XM6 and Apple AirPods Pro 3rd Generation cost similar money and give you ANC, wireless convenience, and decent sound. But they can't touch the Hype 4 on pure audio quality. If sound is your only priority, the Hype 4 wins. If you need something for commuting or calls, it's not even in the conversation.

The THIEAUDIO Hype 4 is a wired in-ear monitor aimed squarely at people who take their audio seriously. We're talking musicians, mix engineers, and the kind of audiophile who reads frequency response graphs for fun. It packs six drivers per side, two 10mm dynamic drivers in an isobaric setup plus four balanced armatures, and it's tuned to sound like a pair of portable studio monitors. That's the pitch, anyway.

What makes this interesting is the driver configuration. THIEAUDIO calls their dual dynamic setup IMPACT2, and it's designed to give you sub-bass with real texture and power without muddying up the mids. The balanced armatures handle the rest, with a pair of Sonion E50 series tweeters for the highs and dual 26A series drivers for the mids. On paper, that's a serious amount of hardware for a $399 IEM.

But here's the thing. The Hype 4 sits in a weird spot in 2025. It's a wired IEM competing against wireless flagships like the Sony WF-1000XM6 and Apple AirPods Pro 3rd Generation. If you want convenience and noise cancelling, this isn't your product. If you want the best possible sound for the money and don't mind a cable, keep reading.

If you need wireless connectivity, active noise cancelling, or a usable microphone, look elsewhere. The Hype 4 is wired only, has no ANC, and the mic performance is genuinely bad, scoring 13.8 out of 100 for calls. Commuters and office workers should check out the Sony WF-1000XM6 or Apple AirPods Pro 3rd Generation instead.

Also, if comfort is a priority, be cautious. The Hype 4 ranks in the 28th percentile for comfort, which means a lot of people find it awkward or fatiguing to wear for long sessions. And the build quality, at the 34th percentile, is below average for a $399 product. If you're rough on your gear or have sensitive ears, you might want to try before you buy.

For musicians and mix engineers who need a reliable reference for monitoring, the Hype 4 is a strong pick. The sub-bass-boosted neutral tuning means you can trust what you're hearing, and the technical performance, wide soundstage, and imaging are genuinely impressive. The detachable cable is a plus for stage use, since cables are the first thing to break.

For casual listeners who just want great sound without fuss, the Hype 4 is harder to recommend. The comfort issues and below-average build quality are real concerns at this price. And if you need to take calls or use these on the go, the lack of wireless and the terrible mic performance will frustrate you. This is a specialist tool, not a daily driver.