How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-24 · 7 min read · Independent comparison
• Sony SP600N — biggest strength: active digital noise cancelling plus an Ambient Sound mode in a splash-resistant, cable-free behind-the-neck design.
• Sony SP600N — biggest trade-off: battery life is limited to about 6 hours per charge, and the neckband style isn't for everyone.
• HIFI WALKER A20PRO — biggest strength: a 1DD + 1BA hybrid driver system (11mm dynamic + 30095 balanced armature) tuned for deep bass and clear vocals.
• HIFI WALKER A20PRO — biggest trade-off: it's a wired 3.5mm set with passive noise isolation only — no ANC, no Bluetooth.
• Sony SP600N is for runners, gym-goers and commuters who want wireless convenience and switchable noise control.
• HIFI WALKER A20PRO is for musicians, gamers and studio users who want accurate wired sound and can live without a mic.
The SP600N is built around one idea: let you move without wires while still controlling what you hear. Digital Noise Cancelling cuts down steady background noise so your music takes the focus, and when you need your surroundings back, Ambient Sound Mode blends the outside world into your ears — handy for hearing a gym partner, a coach, or traffic on a run. That switchable behavior is the real selling point, because it means one pair of earbuds can cover both focused listening and safer awareness.
Physically, this is a behind-the-neck wireless in-ear set with a rounded tip shape and rubber/silicone enclosure, finished in black and light at 21 g. It connects over Bluetooth 4.1 with NFC pairing and roughly 30 feet of line-of-sight range, and it charges in about 1.5 hours for up to 6 hours of playback. There's a built-in microphone for hands-free calls and voice-assistant use, and the controls run through voice control rather than a physical remote. The IPX4 rating means sweat and light rain won't stop it, and the EXTRA BASS tuning pushes a deep, punchy low end that suits workout playlists.
In my opinion, this is the pair for the person whose listening happens on the move — runs, gym sessions, commutes, chores. Sony even flags that tip fit matters here: if the earbud tips don't match your ear canals or the fit is loose, sound quality and call performance suffer, so plan on trying the tip sizes. You should skip it if you want all-day battery, audiophile-grade wired accuracy, or a traditional over-ear or true-wireless-bud form factor. Six hours per charge is fine for a workout but not for a full workday of continuous listening.
The A20PRO takes the opposite approach: it removes the radio entirely and puts the engineering into the drivers. Inside is a hybrid setup pairing an 11mm dynamic driver for low-end impact with a 30095 balanced armature to refine vocals and treble. The claimed result is a balanced profile — punchy bass that doesn't smear the mids, and vocals that stay clear without turning harsh. HIFI WALKER also cites low distortion (under 5%) and good channel balance, which is the kind of thing that matters when you're monitoring a mix or tracking footsteps in a game rather than just vibing to a playlist.
The build leans practical for long sessions: ergonomic ear hooks, a lightweight fit (25 g total), and a reinforced anti-tangle cable. The enclosure mixes zinc alloy, PC and silicone in a silver finish. It terminates in a standard 3.5mm jack and runs wired only, with passive noise isolation doing the blocking instead of electronics. Impedance is 16 ohm and frequency response spans 20 Hz to 20 kHz — the low impedance means it's easy to drive from a phone, laptop or controller. One thing to note: this version ships without a microphone, so it's not your pick for calls or voice chat.
I'd point a musician, producer, competitive gamer or detail-focused listener at this one. The wired connection means no charging anxiety mid-session, no pairing dropouts, and a stable fit for stage or studio work. Skip it if you need wireless freedom, active noise cancelling, or a mic for meetings and calls. It's a listening tool, not a lifestyle accessory.
Side-by-Side: Which Should You Choose?
• Best for active noise cancelling → Sony SP600N. It's the only one of the two with active noise cancelling and an Ambient Sound mode.
• Best for workouts and sweat → Sony SP600N. IPX4 splash resistance and a secure behind-the-neck fit beat a wired cable at the gym.
• Best for musicians, studio and gaming → HIFI WALKER A20PRO. Low distortion, channel balance and a stable ear-hook fit suit long critical sessions.
• Best for battery life → Sony SP600N. About 6 hours per charge, with a 1.5-hour charge time — the A20PRO has no battery to speak of because it's wired.
• Best for hands-free calls → Sony SP600N. It has a built-in mic; the A20PRO version ships without one.
• Best for zero-charging, always-ready listening → HIFI WALKER A20PRO. Plug into a 3.5mm jack and you're done.
• Best for commute and awareness → Sony SP600N. Ambient Sound Mode lets traffic and announcements through without removing the earbuds.
• Best for tangle-free daily durability → HIFI WALKER A20PRO. The reinforced anti-tangle cable is built for everyday wear.
If I had to pick one, I'd buy the Sony SP600N. In my opinion, the combination of active noise cancelling, an Ambient Sound mode, IPX4 sweat resistance and a built-in mic makes it the more versatile everyday pair for most people — it handles the gym, the commute and calls without asking you to carry a cable. The 6-hour battery is the compromise I'd accept for wireless freedom. I'd only steer you to the HIFI WALKER A20PRO if wired, detail-first sound for music production, monitoring or gaming is your actual priority — in that case its hybrid drivers and passive isolation are the better tool, and you won't miss the battery at all. Check the current price on Amazon for whichever one fits your use case.
what is hybrid anc earbuds
A "hybrid" label can mean two different things, so check which one applies. In the Sony SP600N, the noise cancelling is active — it uses electronics to cancel background sound, and it can switch to an Ambient Sound mode. In the HIFI WALKER A20PRO, "hybrid" refers to the driver design — a dynamic driver plus a balanced armature working together — and its noise blocking is passive, coming from the seal in your ear rather than from electronics.
what is anc earbuds
ANC stands for Active Noise Cancelling. It uses built-in electronics and microphones to reduce steady background noise so your music stands out. The Sony SP600N is the ANC pair here: it has Digital Noise Cancelling plus an Ambient Sound Mode that lets outside sound back in when you want it. The HIFI WALKER A20PRO has no ANC — it relies on passive isolation from its in-ear fit.
what are hybrid anc earbuds
If you mean earbuds with hybrid drivers and active noise cancelling in one product, neither of these is that exact combination. The Sony SP600N gives you ANC but a single dynamic driver type; the HIFI WALKER A20PRO gives you a hybrid driver system but passive isolation only. So you're choosing between switchable active noise control (Sony) and hybrid-driver wired sound quality (HIFI WALKER).
what are anc earbuds
They're in-ear headphones with active noise cancelling electronics built in, usually paired with Bluetooth so there's no cable. The Sony SP600N fits that description: wireless, Bluetooth 4.1 with NFC, up to 6 hours per charge, IPX4 rated, and a built-in mic. If active noise cancelling is a must-have for you, that's the one to pick of these two.
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: TECKNET Headset vs LEVO Hybrid ANC Earbuds, TOZO Hybrid Active Noise vs Generic Earbuds: Hybrid ANC, Sony MDREX155AP vs CUAUUO Flat Sleep Earbuds: In Ear Earbuds