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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
If you want a music-first over-ear headphone for streaming with active noise cancellation and an adjustable EQ, choose Bose QuietComfort 45; if you need a high-noise-reduction Bluetooth earmuff that can run for days of streaming between charges, choose ZOHAN EM037. That's the whole decision in one line. Everything below is me unpacking why the two products sit in completely different lanes — and why "which is better" is the wrong question.
• Bose QuietComfort 45 — biggest strength: Active Noise Cancellation plus a personalized, adjustable EQ (bass, mid-range, treble) and a 40 mm dynamic driver tuned with Bose's TriPort acoustic architecture. This is a music headphone first.
• Bose QuietComfort 45 — biggest trade-off: It's an indoor/lifestyle object. No hearing-protection rating, no ruggedized shell, and a 22-hour battery average that's respectable but not extraordinary.
• ZOHAN EM037 — biggest strength: A 30 dB SNR noise-reduction rating and a 1,100 mAh rechargeable battery rated for up to 120 hours of playtime. It's built to protect your ears in loud environments, not to be a reference headphone.
• ZOHAN EM037 — biggest trade-off: Sound isolation, not active noise cancellation. No EQ customization listed. No frequency response or driver spec published, so you're buying it for protection and stamina, not for fidelity.
• Who Bose is for: Anyone who wants one comfortable over-ear pair for music, movies, calls and streaming at home or on a plane.
• Who ZOHAN is for: Anyone who spends hours next to loud machinery — mowing, shop work, range time — and wants Bluetooth audio plus real hearing protection while they do it.
Let's start with what the spec sheet actually tells you. The QuietComfort 45 uses a 40 mm dynamic driver with 32 ohm impedance and a frequency range listed at 20 Hz to 20,000 Hz — the standard full-range window for music. Bose's TriPort acoustic architecture is what the brand credits for the depth and fullness, and Volume-optimized Active EQ is the piece that matters most for streaming: the tuning is designed to stay balanced whether you're listening quietly at night or pushing the volume up. That's not a marketing nicety, it's the difference between a headphone that sounds thin at low volume and one that doesn't.
The second thing that matters is the EQ. You can set bass, mid-range and treble yourself, or pick a preset. For streaming — playlists, podcasts, films, whatever your queue looks like — that adjustability is the reason I'd reach for these over a fixed-tuning headphone. Different sources are mastered differently, and being able to nudge the low end without wrecking the mids is genuinely useful.
Buy it if you want one headphone that does music well, cancels the drone of an airplane or an open-plan office, and lets you shape the sound. Skip it if you need certified hearing protection, a weatherproof shell, or a battery measured in multiple days rather than one.
ZOHAN EM037: Who It's For
The EM037 is a different animal, and the spec sheet makes that obvious within two lines. It's a Bluetooth earmuff with a 30 dB SNR noise-reduction rating, built from a durable ABS shell with double-thickened noise-canceling foam. That "SNR" figure is a hearing-protection measurement, not a headphone marketing number — it describes how much sound energy the muff physically blocks. Bose's QuietComfort 45 doesn't publish anything like it because it isn't that kind of product.
The battery is the headline for anyone who lives in these things. A 1,100 mAh rechargeable cell rated for up to 120 hours of playtime means you can stream for a full work week of long shifts — mowing, cutting, grinding, whatever — without hunting for a cable. At 1.1 pounds it's heavier than a lifestyle headphone, which is normal for a protective earmuff; the padding exists to make that weight tolerable over a long session. The color is Green, the shell pattern is solid, and the item is sold as a single Bluetooth earmuff.
Here's the honest part, and it's the part most comparisons skip: ZOHAN lists sound isolation, not active noise cancellation. There's no published driver size, no impedance, no frequency response, no adjustable EQ. You are not buying this for tonal accuracy or for a wide soundstage. You're buying it because you want music and calls while your ears are being protected from something genuinely loud, and because you don't want to think about charging it.
Buy it if your listening happens in loud environments and hearing protection is the actual job. Skip it if you want a headphone for critical listening, for streaming movies at home, or for anything where the sound quality itself is the point.
• Best for music fidelity → Bose QuietComfort 45. A published 40 mm dynamic driver, a 20 Hz–20,000 Hz range, TriPort architecture and a user-adjustable EQ. The EM037 publishes none of that.
• Best for quieting an airplane, an office or a commute → Bose QuietComfort 45. Active Noise Cancellation with mics that sample and cancel outside sound is a fundamentally different tool from passive foam isolation.
• Best for battery life → ZOHAN EM037. Up to 120 hours of playtime versus roughly 22–24 hours. Not close.
• Best for loud-jobsite hearing protection → ZOHAN EM037. The 30 dB SNR rating and double-thickened foam are the reason this product exists.
• Best for tuning the sound to your taste → Bose QuietComfort 45. Bass, mid-range and treble are yours to set, or you can take a preset.
• Best for calls → Bose QuietComfort 45. A hidden mic array designed to focus on your voice while filtering the room.
• Best for a single headphone that covers music, movies, calls and travel → Bose QuietComfort 45. The stated use themes are literally calls, movie, music, office and travel.
• Best for streaming in a noisy workshop → ZOHAN EM037. Audio plus protection in one object, which is the only reason to accept the fidelity trade-off.
A quick word on the search phrasings people use around this pair. If you're shopping for in-ear headphones for streaming, neither of these is that — both are over-ear designs. If you're hunting for Bluetooth gaming headphones for streaming, the QuietComfort 45's 15 ms audio latency and Bluetooth 5.1 connection are the relevant specs here, and they're reasonable for casual play; the EM037 publishes no latency figure at all. And if bone conduction headphones for streaming are what you're after, that's a third category entirely — neither product uses bone conduction, so don't let a search result blur the three together.
In my opinion, most people reading this should buy the Bose QuietComfort 45. It's the one that's actually built for music and for streaming — adjustable EQ, a real driver spec, active noise cancellation, and a comfort package designed for hours of listening rather than hours of mowing. I'd only point you to the ZOHAN EM037 if hearing protection is your primary requirement and music is the bonus. Those are two different purchases wearing similar shapes. Before you commit, check the current price on Amazon using the button on this page — it's the one variable I can't speak to, and it's the one that most often flips this decision for people on a tight budget.
how to make headphones music louder
Start with the source: raise the volume on the device, then on the headphones. The QuietComfort 45 has button-based volume and noise control, so check you're not in a lower setting, and confirm the 2.5 mm jack or Bluetooth 5.1 connection is seated properly. Remember that Volume-optimized Active EQ is designed to keep the tuning balanced as you change level, so turning it up shouldn't thin out the bass. The EM037 has no published volume or EQ spec, so treat its output as fixed.
how to fix stereo headphones
First isolate the fault: swap the cable, try a second device, and test each side separately. The QuietComfort 45 connects over Bluetooth 5.1 or a 2.5 mm jack, so testing both paths tells you whether the problem is wireless or wired. If one earcup is silent on both, the issue is inside the headphone. The EM037 is a sealed Bluetooth earmuff with no published user-serviceable parts.
how to test stereo headphones
Play a track with clear left/right separation and confirm each channel arrives in the correct ear. Then check the range: the QuietComfort 45 lists 20 Hz to 20,000 Hz, so a sweep or a bass-heavy track will show you where it rolls off. With the EM037, the meaningful test isn't tonal — it's the 30 dB SNR isolation and whether the 1,100 mAh battery holds up over a long session.
how to make stereo headphones
You can't build either of these at home in any practical sense — the QuietComfort 45 relies on Bose's TriPort acoustic architecture and a 40 mm dynamic driver, and the EM037 relies on a rated 30 dB SNR shell with double-thickened foam. What you can do is match the design to the job: sealed over-ear cups for music and active noise cancellation, protective earmuffs for loud environments.
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