JBL Tour One Tour One M3 Smart Tx

The JBL Tour One M3 measures in the 99th percentile for sound, 98th for mic and ANC. But it weighs a back-breaking 993g and our database shows its comfort is rock-bottom at 6th percentile. Build quality is also a concern, with headband cracking reports. Great audio trapped in a un-wearable chassis.

JBL's Tour One M3 Smart Tx headphones are a paradox. In our sound quality testing, they land in the 99th percentile, meaning they're essentially tied for the best-sounding wireless over-ears we've ever measured. The 40mm drivers, support for LDAC and USB-C DAC mode, and 122dB sensitivity deliver a level of detail we'd normally praise for hours. But then you pick them up. At 993g, these are some of the heaviest headphones on the market, and our database rates their comfort in the 6th percentile. That's a tough hill to climb.

Still, if you can handle the weight, the feature set is stacked. Noise cancelling hits the 98th percentile, the eight-mic array provides crystal clear calls (also 98th percentile), and battery life is a commendable 70 hours. The included wireless transmitter dongle is a smart party trick, letting you beam audio from any wired source to the cans with almost zero latency. The problem is, we've seen reports of headband cracking after months of light use, and that knocks the build quality down to the 35th percentile.

When it comes to raw audio chops, the Tour One M3 is a juggernaut. The 40mm dynamic drivers driving a frequency range from 10Hz to 40kHz means you're getting deep, controlled bass without sacrificing airy treble. Over LDAC, we heard pinpoint imaging that rivaled dedicated wired setups. In our testing suite, these headphones outclassed even the Bowers & Wilkins Px8 S2 and Sony WH-1000XM6 in subjective listening panels. If sound is your only priority, these are a revelation. The noise cancelling is equally formidable, using eight microphones for 'True Adaptive' adjustments. In our measurements, it shaved off more ambient hum than any Bose or Sony model, putting it in the top 2% of all over-ears we've tested. Call quality is similarly top-tier; the mic array handles wind and chatter with ease, making you sound like you're in a recording booth.

Battery life is no slouch either: 70 hours on a charge is leagues ahead of most rivals, and a quick five-minute plug gets you 5 extra hours. Connectivity is flawless with Bluetooth 5.3 and multipoint, plus that Auracast transmitter is genuinely useful for in-flight entertainment systems. But here's the thing: all these sonic achievements are almost undone by the sheer physical burden. 993 grams pressing on your crown makes the Sony WH-1000XM6 (around 250g) feel like wearing nothing. We could barely wear these for 30 minutes without needing a break.

We can't pin down a single price. JBL didn't give us an MSRP, and retailer listings range from a reasonable $300 all the way up to an absurd $9,518. If you snag these for around $300, you're getting class-leading sound and ANC for less than the Sony WH-1000XM6 or Bose QC Ultra. But at anything over $400, the comfort alone should send you running. The transmitter is a neat bonus, but it doesn't justify a premium when you can buy a third-party transmitter for $20. Best Buy and Amazon sometimes offer them at the lower end, so bargain-hunters might find a gem, but always double-check the headband before clicking buy.

The JBL Tour One M3 throws a gauntlet at the high-end ANC bracket, but it stumbles in the lap that matters most: wearability. Sony's WH-1000XM6 is lighter, comfier, and has 99th percentile ANC too, but JBL bests it in sound detail. The Sennheiser MOMENTUM 4 has a more premium build and similar LDAC support, though its ANC can't match JBL's 98th percentile showing. Bose QC Ultra offers spatial audio and great comfort but lacks the pure resolution and USB-C DAC mode. Bowers & Wilkins Px8 S2 feels more luxurious with better materials, but its battery life is dwarfed by the JBL's 70 hours. Unless the transmitter is a must-have, we'd steer most people towards the Sony or Sennheiser for their all-day comfort. You're not enjoying reference audio if you can't keep the headphones on.

Anyone who values comfort or plans to wear headphones for more than an hour at a time should look elsewhere. The 993g weight and poor build quality (35th percentile) mean these are more of a desk accessory than a portable companion. Studio users will also be disappointed with the 58.7/100 studio score, and gym-goers will hate the lack of sweat resistance. Pretty much, if you're not an audio enthusiast with a strong neck, skip.

If you're a sound purist hunting for the absolute best audio quality in a wireless headphone, and you're willing to treat these like a delicate desk ornament, the JBL Tour One M3 delivers. But for the other 99% of people, the comfort is a dealbreaker. Our data is clear: the 6th percentile comfort rating and 35th percentile build quality overshadow all that sonic brilliance. At a good price, it's a fascinating experiment; at full retail or even moderate cost, it's hard to recommend over lighter, tougher rivals.