We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-03 · 7 min read · Independent comparison
If you want a dedicated hi-res vinyl front end with a built-in headphone amp, choose S.M.S.L PH-1; if you need wireless over-ear headphones with adaptive noise cancellation and long battery life, choose XIAOMI Redmi Headphones Neo. These two share almost nothing except the word "headphones" somewhere in the conversation, so the real question is what you're actually trying to do.
• S.M.S.L PH-1 — biggest strength: a purpose-built MM phono stage with 46dB gold gain, 84dB SNR, 0.008% THD+N and an integrated 6.35mm headphone amplifier in a palm-sized 96 x 94 x 30mm chassis.
• S.M.S.L PH-1 — biggest trade-off: it is a wired, single-purpose analog component. It does nothing for streaming, Bluetooth or phone calls, and it only supports MM cartridges — no MC.
• XIAOMI Redmi Headphones Neo — biggest strength: a full wireless over-ear package: 42dB adaptive active noise cancellation, up to 72 hours of battery, Hi-Res Audio support, Power Bass tuning and three AI-assisted call microphones.
• XIAOMI Redmi Headphones Neo — biggest trade-off: it is a self-contained consumer headphone. You can't route a turntable through it, and its sound is tuned by Xiaomi rather than by your own analog chain.
• Pick the PH-1 if you own a record player with an MM cartridge and want to hear it properly in headphones.
• Pick the Redmi Headphones Neo if you want one pair of over-ears for commuting, calls, travel and everyday listening.
The S.M.S.L PH-1 is a phono preamplifier first and a headphone amplifier second. Its job is to take the tiny signal from a moving-magnet turntable cartridge and bring it up to line level with enough gain and enough headroom to sound alive. The 46dB gold gain figure is the headline here — that's a serious amount of amplification for an entry-level MM stage, and S.M.S.L claims an output signal around 1000mV. In plain terms, that means a fuller, more energetic presentation rather than the thin, polite sound a lot of budget phono stages deliver.
The supporting numbers back that up. Signal-to-noise ratio is 84dB, dynamic range is 85dB, THD+N is 0.008% (-81dB), and channel separation is -77dB. Those are clean, low-noise specs, and the isolated dual power supply design is there specifically to keep hum and grounding noise out of the picture — the classic problem with turntable setups. The chassis is CNC-machined for mechanical rigidity and EMI resistance, which matters if your gear sits near a router, a computer or a pile of power cables.
Then there's the part that makes it relevant to a headphone comparison: a 6.35mm jack on the front panel. If you live somewhere speakers aren't practical — an apartment, a shared house, a small desk — you can plug in full-size headphones and listen to vinyl directly without buying a separate headphone amp.
XIAOMI Redmi Headphones Neo: Who It's For
The Redmi Headphones Neo is the opposite kind of product — a sealed, wireless, over-ear headphone that does everything internally. It uses a dynamic driver, connects over Bluetooth, and carries 42dB adaptive active noise cancellation. That "adaptive" wording matters in practice: instead of one fixed noise-cancelling level, the headphone adjusts its cancellation to your surroundings, which is exactly what you want on a train, a plane or a noisy open office.
Battery life is the other standout: up to 72 hours. That's the kind of figure that turns charging from a nightly ritual into a monthly chore. For anyone who has owned wireless headphones that die mid-week, that number alone changes the ownership experience.
It also carries Hi-Res Audio support and Power Bass tuning. In my opinion, that combination tells you who Xiaomi built this for: listeners who want a warm, bass-forward, energetic sound rather than a flat studio reference. Hi-Res Audio support means the headphone is designed to handle higher-resolution audio formats rather than being limited to standard-lossy playback — useful if you stream from a hi-res-capable service or keep a local library of high-resolution files.
Calls are handled by three microphones with AI processing, which is the standard recipe for separating your voice from background noise on a call. There's Fast Pair for quick Bluetooth pairing, and the whole thing weighs 263g in a Mist Blue finish. Xiaomi lists a 1-year warranty. The package includes five items, and it's a freestanding, self-contained product — no amp, no cables to a turntable, no setup.
Who should buy it: commuters, students, travelers and remote workers who want one over-ear headphone for music, calls and noise blocking, with battery life that doesn't nag them. Who should skip it: analog purists, anyone who wants a wired connection into a dedicated DAC or phono stage, and anyone who prefers a neutral, uncolored tuning over a bass-forward one.
• Best for vinyl playback → S.M.S.L PH-1. It's the only one of the two with a phono stage, MM cartridge support and 46dB of gain.
• Best for battery life → XIAOMI Redmi Headphones Neo. Up to 72 hours, versus the PH-1's wall-powered design with no battery at all.
• Best for noise cancellation → XIAOMI Redmi Headphones Neo. 42dB adaptive ANC is a feature the PH-1 simply doesn't have.
• Best for wired headphone listening at a desk → S.M.S.L PH-1. The 6.35mm front jack plus the isolated dual power supply make it a quiet, low-hum listening station.
• Best for phone calls and meetings → XIAOMI Redmi Headphones Neo. Three AI-assisted microphones and Fast Pair.
• Best for a small, tidy hi-fi setup → S.M.S.L PH-1. 96 x 94 x 30mm is genuinely palm-sized, and it handles six connections without sprawling across your shelf.
• Best for travel and commuting → XIAOMI Redmi Headphones Neo. Wireless, 263g, noise-cancelling, long battery.
• Best for tinkerers → S.M.S.L PH-1. You can swap in a higher-grade DC power supply to push the design further, and it doubles as a diagnostic tool for tracing vinyl playback problems.
If I had to pick one, I'd pick based on what's already on your shelf, because these don't compete — they serve different rooms in your life. If you own a turntable and want to actually hear it, I'd buy the S.M.S.L PH-1. The 46dB gain, 84dB SNR and isolated dual power supply are the numbers that matter for vinyl, and the built-in 6.35mm jack means you can go straight to headphones without buying anything else. If you don't own a turntable, the PH-1 is a paperweight to you — in that case I'd buy the XIAOMI Redmi Headphones Neo, whose 42dB adaptive ANC, up to 72 hours of battery and Hi-Res Audio support cover far more of daily life.
what is hi res headphones
Hi-res headphones are headphones designed to reproduce higher-resolution audio — formats that carry more detail than standard compressed streaming. The XIAOMI Redmi Headphones Neo explicitly lists Hi-Res Audio support, so it's built to handle those higher-resolution sources rather than capping out at basic playback.
what is hi res audio headphones
Same idea, phrased slightly differently: "hi-res audio" refers to the higher-quality audio files or streams, and "hi-res audio headphones" are the headphones meant to play them back faithfully. In this comparison, only the Redmi Headphones Neo carries that designation. The S.M.S.L PH-1 is a hi-res-capable amplifier, but it's a wired component, not a headphone.
what are hi res headphones
They're headphones built to reproduce high-resolution audio without downsampling it to a lower standard. Practically, that means you want a hi-res-capable source, a hi-res-capable headphone, and ideally a wired or high-quality wireless connection. The Redmi Headphones Neo meets the headphone half of that; the PH-1 meets the amplification half for a turntable or line-level source.
which headphones support hi res lossless
Hi-res lossless support depends on both the headphone and the connection path — a lossless file played over a limited codec isn't truly lossless end to end. In this pair, the XIAOMI Redmi Headphones Neo is the one marketed with Hi-Res Audio support. If lossless playback is your priority, check the codec details on the product page and confirm your source device supports the same standard.
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