How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want an over-ear, open-back-style monitor headphone for critical listening and studio-style clarity, choose Linsoul Kiwikiwi Ears Ellipse; if you need a tunable in-ear monitor with deep bass, isolation and a secure low-profile fit — the kind of thing people reach for as clip on earbuds for swimming — choose CCA Rhapsody 4-Mode.
• Linsoul Kiwikiwi Ears Ellipse — biggest strength: a full-size over-ear design built around a 50mm dynamic driver with PU/PEK composite diaphragms, a copper ring and N42 magnets, paired with an audiophile-grade hybrid cable. It's aimed at studio-grade clarity and a wide, open presentation.
• Linsoul Kiwikiwi Ears Ellipse — biggest trade-off: it's wired, over-ear and made of plastic, so it's a desk-and-chair tool, not something you'd wear moving around or in water.
• CCA Rhapsody 4-Mode — biggest strength: a 12-driver hybrid setup (6 per side: dual 8mm dynamic drivers plus four 31736 balanced armatures) with a 4-stage tuning switch, detachable 2-pin cable and passive noise cancellation in a resin shell.
• CCA Rhapsody 4-Mode — biggest trade-off: it's an in-ear with a 3.5mm wired connection and no stated water rating, so "waterproof" claims don't come from the spec sheet.
• Pick the Ellipse if you want one wired over-ear for monitoring, mixing and long home listening sessions.
• Pick the Rhapsody if you want a compact, tunable IEM for gaming, commuting, stage use — or as sweat resistant wireless headset-style earbuds for swimming-adjacent workouts, accepting that it's a wired IEM with no waterproof rating.
The Ellipse is the more traditional "serious listening" object of the two. Its whole design story is the driver: a 50mm dynamic unit using custom PU and PEK composite diaphragms with an ultra-pure copper ring, driven by a CCAW high-tension voice coil and N42 high-performance magnets. In plain terms, that's a large-diaphragm over-ear built to move air with control rather than to tick feature boxes. The included hybrid cable — 4-strand silver foil plus OCC copper in a PVC jacket — is the kind of thing buyers usually add later, and it's bundled here instead.
What it does best is the thing open back monitor headphones are known for: a wide, uncluttered presentation where you can hear separation between instruments and judge a mix without your ears getting boxed in. That makes it a natural fit for home studios, desktop listening, editing sessions and anyone who wants one wired headphone they can leave plugged in. The plastic enclosure keeps it lightweight for an over-ear, and the tangle-resistant PVC-jacketed cable suits daily desk life.
Who should skip it? Anyone whose listening happens on the move. There's no wireless mode, no stated water or sweat resistance, and the over-ear format is bulky by nature. If you want something for the pool, the gym, or a commute, this isn't the tool — and nothing in the spec sheet suggests it was designed to be.
The Rhapsody is the opposite philosophy: pack as much driver technology as possible into something that disappears into your ear. Six drivers per side — dual 8mm dynamic drivers handling lows and mids, four custom 31736 balanced armatures handling the highs and ultra-highs — is a genuinely unusual configuration at this tier. The result, per the design, is a wide soundstage with precise imaging and strong instrument separation, which is exactly what gamers and studio monitors want when they're trying to place a footstep or a background vocal.
The headline feature is the 4-stage tuning switch. You can adjust bass, mids and treble independently, flipping between a bass-forward profile for EDM, a balanced everyday tuning, or a more analytical setting for monitoring. That flexibility is rare, and it means one IEM can cover several jobs instead of you buying two. The resin shell is light and ergonomic, the 0.75mm 2-pin silver-plated cable is detachable for upgrades, and passive noise cancellation helps block the outside world. Impedance is 15 ohm with 102 dB sensitivity, and it covers 20–40000Hz.
Its natural buyer is the person who wants a do-everything wired IEM: gaming, movies, music, stage work, singing. It's also the more plausible candidate if you're hunting waterproof sports earbuds for swimming — not because the sheet promises waterproofing (it doesn't), but because a sealed in-ear with a secure resin fit is the shape that category is built around. Buyers chasing that use case should confirm water resistance themselves before trusting it near a pool.
• Best for studio and mix-critical listening → Linsoul Kiwikiwi Ears Ellipse. The 50mm composite-diaphragm driver and bundled hybrid cable are built for clarity, not portability.
• Best for tuning flexibility → CCA Rhapsody 4-Mode. The 4-stage switch lets you reshape bass, mids and treble instead of living with one voicing.
• Best for gaming and positional audio → CCA Rhapsody 4-Mode. The 12-driver hybrid design is explicitly aimed at wide staging and directional cues.
• Best for long home sessions → Linsoul Kiwikiwi Ears Ellipse. An over-ear that doesn't sit inside your ear canal is easier to wear for hours at a desk.
• Best for isolation → CCA Rhapsody 4-Mode. Its passive noise cancellation and deep in-ear seal block more of the room than an over-ear with an open presentation.
• Best for swimming-adjacent and sweaty workouts → CCA Rhapsody 4-Mode, on design logic alone. It's a sealed in-ear with a secure resin fit; the Ellipse is not a water product in any sense.
• Best for cable upgrades and repairability → CCA Rhapsody 4-Mode. The detachable 0.75mm 2-pin connector means a dead cable isn't a dead earphone.
• Best for plug-and-play simplicity → Linsoul Kiwikiwi Ears Ellipse. One cable, no switches, nothing to configure.
If I had to pick one for myself, I'd take the CCA Rhapsody 4-Mode. In my opinion, the 4-stage tuning switch plus a 12-driver hybrid layout gives you more ways to use it — analytical for monitoring, bass-heavy for music, and precise enough for gaming — and the detachable cable and resin shell make it the more practical daily driver. The Ellipse is the better pure listening instrument for a desk, and if your setup is a fixed chair and a fixed source, that's the one I'd point you to. For swimming specifically, neither sheet promises waterproofing, so treat the Rhapsody as the closer match on form factor only and verify water resistance before you commit. Check the current price on Amazon before deciding, since value shifts with whatever the listings show that day.
FAQ
how to open back headphones work
what is open back studio headphones
It's a category of over-ear headphone used for mixing and monitoring where the rear of each cup is vented rather than sealed. The trade-off is that they leak sound in both directions, so they suit a quiet room, not a noisy commute — the opposite of the sealed in-ear CCA Rhapsody 4-Mode.
what are the best open back headphones
There's no single answer, and any spec sheet only tells you the design intent. In my opinion, the Linsoul Kiwikiwi Ears Ellipse makes the stronger case for a wired over-ear monitoring setup thanks to its 50mm composite-diaphragm driver and bundled hybrid cable, while the CCA Rhapsody 4-Mode is the better pick if you actually need isolation.
are open back headphones better
Better for mixing, staging and long at-home listening, in my opinion — the open presentation reduces the boxed-in feeling. They're worse for travel, noisy rooms and anything involving water or sweat. If isolation matters more than airiness, the CCA Rhapsody 4-Mode is the more sensible choice.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: our Yealink BH70 vs LEVN Headset: Wired Headset pick, sunshot Ows Open Ear vs VOKALEN Hyper Pro Adaptive, StreamEye Focusrite Scarlett 2i2 vs LyxJam 2×2, Cuzabe Ear Plugs Headphones vs Sorandy BT 6.0