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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a lightweight, wrap-around in ear headset built for all-day security and radio work, choose Midland AVPH3; if you need a wired in-ear monitor tuned for music with a detachable cable and serious bass, choose erjigo KZ x HBB.
• Midland AVPH3 — biggest strength: a wrap-around in-ear design with PTT/VOX support and a 3.5 mm jack, built around comfort and quick push-to-talk use rather than sound quality.
• Midland AVPH3 — biggest trade-off: no noise control and a basic dynamic driver, so don't expect hi-fi music reproduction.
• erjigo KZ x HBB — biggest strength: a three-driver in-ear monitor with a detachable silver-plated cable, deep bass and a wide 20 Hz–40 kHz range.
• erjigo KZ x HBB — biggest trade-off: it's an earhook-style IEM aimed at listening, not a light headset you forget you're wearing.
• Buy the Midland AVPH3 if you want a headset for radios, walkie-talkies or communication duty.
• Buy the erjigo KZ x HBB if you want a wired in-ear monitor for music, gaming or detailed listening.
The Midland AVPH3 is a security-themed in ear headset, and that framing tells you almost everything. It uses a wrap-around earpiece shape with a standard earpiece, so it hooks over the ear and stays put instead of dangling. The whole unit weighs about 19.87 g, which is light enough to wear for a long shift without it dragging on your ear. It connects over a 3.5 mm jack and is wired, with Bluetooth listed as a wireless technology as well.
What stands out to me is the PTT/VOX angle. Push-to-talk and voice-activated transmission are the features that matter if you're coordinating on a radio or walkie-talkie, and the AVPH3 is designed around exactly that kind of use. The controls are media controls, and the package includes two items, which fits the "pair" framing in its name. The housing is plastic, it comes in black, and it ships with a black carrying case. Midland backs it with a 90-day warranty.
Where it falls short is audio ambition. There's no noise control at all, the impedance is a low 8 ohm, and the driver is a plain dynamic driver. That's fine for voice, but it isn't a music-first design. I'd recommend the AVPH3 for anyone who spends their day talking into a radio, working security, running events or supervising a site, and who wants something light that stays on the ear. I'd skip it if your main goal is enjoying albums or hearing fine detail in a mix — that's simply not what this headset is built to do.
The erjigo KZ x HBB is a different animal entirely. This is the KZ x HBB DQ6S, an in-ear monitor built for music lovers. Its headline feature is a three-driver setup: a 10 mm dual magnetic circuit dynamic driver paired with two 6 mm dynamic drivers, using physical frequency crossover technology. The low-frequency driver pushes sub-bass and mid-bass deeper, while the arrayed high-frequency combos are there to open up the treble and widen the sound field. The result, per the design, is strong bass with smooth mids and clear treble.
The cable is a genuine selling point. It's a detachable silver-plated oxygen-free copper two-pin cable, with a plug-in test life of more than 10,000 times, and it's available with a microphone. Because it's detachable, you can swap the cord — the notes mention you can turn it into a Bluetooth setup with a wireless adapter, though that adapter isn't included. The housing mixes clear resin, so you can see the drivers inside, with an alloy metal shell cover for daily durability. It wears earhook-style, weighs about 82 g as listed, and comes in rose gold or graphite colorways, with the Gray (with mic) version carrying the model number DQ6S.
The specs are clearly audiophile-leaning: 20 Hz–40 kHz frequency range, 25 ohm impedance, 116 dB sensitivity, a 3.5 mm plug, a 0.75 mm two-pin connector and a roughly 120 cm cable. Active noise cancellation is listed, along with touch control. I'd recommend the KZ x HBB for listeners who want an affordable-feeling IEM with real bass, a replaceable cable and a wired, low-latency connection for music, gaming or focused listening. I'd skip it if you want a featherweight headset for radio communication — the earhook IEM format and the music tuning are pointed in a different direction.
• Best for radio and PTT/VOX communication → Midland AVPH3. Push-to-talk and voice activation are what it's designed around.
• Best for music quality and bass → erjigo KZ x HBB. Three dynamic drivers with a dedicated low-frequency driver.
• Best for lightweight, forget-it's-there wear → Midland AVPH3. At roughly 19.87 g it's a fraction of the KZ's listed weight.
• Best for cable longevity and flexibility → erjigo KZ x HBB. The detachable two-pin silver-plated OFC cable is rated past 10,000 plug-in cycles and can be swapped.
• Best for noise control → erjigo KZ x HBB. It lists active noise cancellation; the AVPH3 lists none.
• Best for frequency range and detail → erjigo KZ x HBB. 20 Hz–40 kHz versus a plain dynamic driver with no stated range on the Midland.
• Best for a simple wired headset with a case → Midland AVPH3. It's a straightforward 3.5 mm wired earset that ships with a carrying case.
• Best for an upgrade-friendly audio hobby pick → erjigo KZ x HBB. The 0.75 mm two-pin connector and replaceable cable invite experimentation.
In my opinion, these two barely compete for the same buyer. If your day involves a radio, a walkie-talkie or a team you need to talk to, the Midland AVPH3 is the smarter pick: light, wrap-around, PTT/VOX-ready and packaged with a case. If you're buying for your ears rather than your job, the erjigo KZ x HBB wins comfortably on sound, cable design and tuning. I'd buy the erjigo KZ x HBB for music and gaming, and I'd buy the Midland AVPH3 the moment communication, not listening, is the point. Check the current price on Amazon before you commit, since that's the one thing that can tip a close call.
what is in ear headset
An in ear headset is a headset whose earpieces sit inside or directly at the opening of your ear canal, rather than around your whole ear. Both products here are in-ear designs — the Midland AVPH3 uses a wrap-around earpiece shape, and the erjigo KZ x HBB uses a rounded-tip earhook fit.
what is over ear headset
An over ear headset has earcups that surround your entire ear and rest against your head. Neither the Midland AVPH3 nor the erjigo KZ x HBB is an over-ear model — both are listed with in-ear placement, so if you specifically want over-ear cups, neither of these is the right shape.
how to wear one ear headset
A single-ear headset is worn by hooking the earpiece over one ear so the driver sits at your ear canal, leaving the other ear open to your surroundings. The Midland AVPH3's wrap-around shape is built for exactly this kind of stay-put fit, which is why it suits radio and security work.
how to open headset ear
If you mean getting the earpiece seated comfortably, the goal is to guide the tip gently into your ear canal and let the hook or wrap-around arm settle behind your ear. The erjigo KZ x HBB uses a rounded-tip earhook fit, and its detachable cable means you can also swap the cord if the connection ever feels loose.
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See also: EarPeace Music Concert Ear vs MQQC Headset V5.0, New Bee Headset V5.1 vs Xoruezls Noise Cancelling Single-Ear, Riwbox WT-7S vs Nightwooolf TV Headset: Over Ear Office