If you want a wide, open, speaker-like listen that makes game worlds feel big and mixes translate, choose Austrian Audio Hi-X65; if you need a pocketable in-ear kit that swaps between a wired cable and a Bluetooth adapter, choose MEE audio M6. Those are the two real paths. One is a 44 mm open-back reference headphone for close, critical listening; the other is a modular in-ear monitor system with a detachable cable for every situation. For mobile gaming in particular, the decision comes down to whether you want sound around your ears or something locked into them while your thumbs do the work.
• Austrian Audio Hi-X65, biggest strength: an open-back over-ear design with a 44 mm dynamic driver, 25-ohm impedance and a 5 Hz–28 kHz frequency range — spacious staging, and easy to drive straight from a controller jack, handheld or laptop.
• Austrian Audio Hi-X65, biggest trade-off: it is wired only. No Bluetooth, no microphone, no inline controls, no noise cancellation. And open-back cups leak sound in both directions.
• MEE audio M6, biggest strength: a full modular system in one box — two detachable audio cables plus a BT3 Bluetooth adapter with LDAC and aptX family support, up to 14 hours of battery and Bluetooth multipoint.
• MEE audio M6, biggest trade-off: a 10 mm in-ear driver covering 20 Hz–20,000 Hz means you give up the Hi-X65's wide, out-of-your-head presentation for isolation, sweat resistance and portability.
• Pick the Hi-X65 if you want over-ear headphones for mobile gaming at a desk or on the couch, and spacious, detailed sound matters more to you than wireless convenience.
• Pick the M6 if you want something that stays in your ears, handles sweat and calls, and goes wireless without a dongle dangling off your phone.
The Hi-X65 is a tool first. Austrian Audio built it around mixing and mastering, and every spec points that direction: a 44 mm driver with a ring magnet system, a copper-clad aluminum voice coil, 25-ohm impedance, and a claimed 5 Hz to 28 kHz range. Open-back ear cups are the defining feature — they let air move freely, which is what gives this kind of headphone its wide, layered, "sound is in the room" quality. If you play games that lean on atmosphere and positional cues, that openness is genuinely enjoyable, and it's also why the Hi-X65 is a legitimate reference tool for music production on the side.
How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-10-20 · 7 min read · Independent comparison
Who should skip it? Anyone who needs a microphone for voice chat, anyone who plays on a phone with no headphone jack and doesn't want an adapter, and anyone who plays in a noisy room or next to other people. Open-back means your game audio is audible to whoever is nearby, and their noise comes right back in. There's no noise control of any kind here. This is a headphone for a quiet space and a considered listener.
The M6 PRO combo pack is the opposite philosophy: it tries to cover every situation in one case. The core is a pair of in-ear monitors with detachable cables, a 10 mm driver and a 5 µm diaphragm with an aluminum voice coil, aimed at midrange accuracy and smoother, more natural treble. (One small note of caution: the spec block labels the driver a balanced armature type while the feature text describes a single moving-coil design — the listing is ambiguous, so go by the description of the diaphragm and voice coil rather than the label.) Everything is built around fit and durability: flexible earhooks, a sliding cable cinch, Comply memory foam tips plus six sets of silicone tips, and IPX5 sweat and weather resistance.
What makes it interesting is the wiring. You get a stereo audio cable and a headset cable with a mic and remote, so it works as a plain monitoring IEM or as a call-ready headset with volume and playback buttons. Then there's the BT3 Bluetooth adapter with its own built-in mic, dedicated mute button, four EQ modes and Bluetooth multipoint, rated at up to 14 hours per charge and roughly 10 metres of range. Codec support covers LDAC and the Qualcomm aptX family, including aptX Lossless. Detachable, replaceable cables plus MMCX and 2-pin connector adapters (sold separately) mean the M6 can be repaired rather than replaced.
Who should skip it? Anyone who dislikes things in their ears, and anyone who needs the broad, airy soundstage of an open-back design — an in-ear simply can't do that. There is also no transparency mode listed on either product. If hearing your surroundings matters, the Hi-X65's open-back cups are the closest thing in this comparison, while the M6 depends on how deeply you seat the tips.
• Best for mobile gaming on the move → MEE audio M6. Bluetooth adapter, 14-hour battery, IPX5, earhooks and a cinch keep it in place when you're tilted back on a couch or pacing the room.
• Best for spatial, cinematic sound → Austrian Audio Hi-X65. Open-back cups plus a 5 Hz–28 kHz range give you the widest presentation in this pair.
• Best for voice chat and calls → MEE audio M6. The headset cable and the BT3 adapter both include a mic and controls, and there's a dedicated mute button.
• Best for mixing, monitoring and critical listening → Austrian Audio Hi-X65. It was designed for exactly that, with the low impedance to run off small devices.
• Best for wireless freedom and codec support → MEE audio M6. LDAC, aptX, aptX Adaptive, aptX HD and aptX Lossless, plus multipoint for switching between a phone and a tablet.
• Best for long-term durability claims → Austrian Audio Hi-X65. All-metal hinge and bow, folding design, carry case, and a 2-year warranty versus 1 year on the M6.
• Best for repairability and travel kit → MEE audio M6. Detachable replaceable cables, foam and silicone tips, shirt clip, case, 1/4" adapter and USB charging cable all in the box.
• Rotating or swiveling ear cups? Neither sheet specifies them. The Hi-X65 folds at an all-metal hinge for storage; the M6 sidesteps the question entirely with flexible earhooks.
If mobile gaming is your main use case, I would buy the MEE audio M6. The reason is simple: a wired, open-back, 310 g over-ear with a 3 m cable is a studio tool, not something you wear through a commute or a two-hour session on the couch with your phone. The M6 gives you an in-ear fit, sweat resistance, a mic for squad chat, and the option to cut the cord entirely with a 14-hour Bluetooth adapter. I would still take the Hi-X65 in a heartbeat for mixing or immersive single-player sessions at a desk in a quiet room — that's where its open-back 44 mm design earns its keep. Different jobs, and the M6 is the better fit for the phone-in-hand job.
FAQ
It works, and it sounds excellent — 25-ohm impedance and a 3.5 mm jack mean a handheld or controller can drive it. The catch is practical: wired only, open-back, no mic, and a 310 g weight. Great for a desk session, awkward on the move.
No transparency mode is listed for either product. The M6's in-ear design uses tips to block outside noise rather than pipe it in. If you want to stay aware of your surroundings, the Hi-X65's open-back cups are the more naturally "transparent" option here.
It uses a standard 3.5 mm connection, so you'd need an adapter or a phone with that jack. The short 1.2 m cable is the one to pair with a phone; the 3 m cable is clearly meant for a desk setup.
That depends on what you're buying it for. The M6 packs two cables, a Bluetooth adapter, multiple ear tips and a case into one purchase; the Hi-X65 gives you a reference-grade open-back build with metal hinges and a 2-year warranty. Check the current price on Amazon for both and weigh it against the job you need done.
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