Quick verdict: Buy the Sony WH-1000XM4 if your priority is deep focus — blocking out a noisy household for hours at a time — and you want the longer battery and the most configurable feature set. Buy the Bose QuietComfort 45 if you spend much of your day on calls, wear headphones for very long stretches, and value a lighter, simpler, more comfortable fit. Both are excellent remote-work headsets; the right one depends on whether you mostly listen or mostly talk.
- Type
- Over-ear wireless
- Over-ear wireless
- ANC
- Industry-leading
- Quiet/Aware
- Battery
- 30H
- 24H
- Pairing
- Multipoint
- —
- Audio
- DSEE Extreme
- —
- Mics
- —
- 6-mic array
- Bluetooth
- —
- 5.1
- Class-leading adaptive noise cancellation
- 30-hour battery, multipoint pairing
- Speak-to-Chat and DSEE Extreme upscaling
- No aptX on this model
- Older than the XM5/XM6
- Bose comfort and balanced ANC
- Six-mic array for clear calls
- Quiet/Aware modes, 24-hour battery
- No multipoint at launch
- USB-C charge only, no wireless
Noise Cancelling: Maximum Isolation vs Balanced Quiet#
Sony positions the WH-1000XM4's adaptive noise cancellation as industry-leading, and it is designed to adjust itself to your surroundings automatically. For a home office next to a busy kitchen, a barking dog, or street traffic, that strong, adaptive ANC is the XM4's main selling point. If you put headphones on specifically to disappear into deep work, it is the more focused tool.
The QC45 takes a more balanced approach with two simple modes: Quiet, for full noise cancelling, and Aware, which lets outside sound in so you can hear a doorbell or a family member without taking the headphones off. Owners generally describe its cancellation as natural and pressure-free rather than aggressive. If you find strong ANC fatiguing, the Bose may actually be the more comfortable way to stay focused.
Calls and Meetings#
This is where the Bose earns its place. The QC45 uses a six-microphone array built to pick up your voice and reject background noise, and Bose markets it specifically for clear calls. For anyone whose day is a string of video meetings, that call-first design is a real advantage.
The XM4 is a capable calling headset too, and it adds Speak-to-Chat, which is designed to pause your audio and let ambient sound in automatically when you start talking — handy when someone walks into the room. But Sony's emphasis is on what you hear rather than how you sound. If colleagues regularly hear your voice through these headphones, the Bose is the safer pick.
Battery, Pairing, and Everyday Convenience#
Sony rates the XM4 at 30 hours of battery life with noise cancelling on, against 24 hours for the QC45. Both comfortably cover a full workday, but the XM4 can go most of a working week between charges. Both charge over USB-C, and neither offers wireless charging.
Multipoint pairing is a headline feature on the Sony: it can stay connected to two devices at once, so you can take a call on your phone and then return to your laptop without re-pairing. The QC45 did not offer multipoint at launch, so if switching between a work laptop and a phone all day matters to you, confirm current firmware support before choosing the Bose. The QC45 connects over Bluetooth 5.1.
Sound and Comfort#
The XM4 includes DSEE Extreme, Sony's upscaling feature designed to restore detail lost in compressed streaming audio, plus extensive customisation through Sony's companion app. If you listen to music while you work, it offers more ways to tune the sound. Note that the XM4 does not support aptX.
The QC45 leans on Bose's long-standing comfort reputation, with TriPort acoustics and Volume-Optimized Active EQ, which is designed to keep the sound balanced as you change volume. Owners consistently single out how easy the QC45 is to wear through an eight-hour day, which matters as much as sound quality for a headset that lives on your head.
Who Should Buy Which#
Choose the Sony WH-1000XM4 if you:
- Work in a noisy home and need the strongest possible isolation for focus
- Want the longer 30-hour battery and dependable multipoint pairing
- Listen to music while working and like to fine-tune the sound
Choose the Bose QC45 if you:
- Spend a large share of your day on calls and video meetings
- Wear headphones for very long sessions and prioritise comfort
- Prefer simple Quiet and Aware modes over a deep settings menu
Frequently Asked Questions#
Is the Sony WH-1000XM4 better than the Bose QC45 for calls?#
For most people whose work is call-heavy, the Bose QC45 is the better choice. Its six-microphone array is designed specifically to isolate your voice from background noise. The Sony WH-1000XM4 handles calls well and adds Speak-to-Chat, but its strengths are noise cancelling and listening rather than outgoing voice quality.
Which has better noise cancelling, the Sony XM4 or the Bose QC45?#
Sony rates the WH-1000XM4's adaptive noise cancellation as industry-leading, and it is the stronger choice for blocking out a loud environment. The Bose QC45's Quiet mode is effective and often described as more natural-feeling, so people who dislike intense ANC may prefer it.
Which headphones have longer battery life?#
The Sony WH-1000XM4, rated at 30 hours, versus 24 hours for the Bose QC45. Either one lasts a full workday, but the Sony goes longer between charges.
Can the Sony XM4 and Bose QC45 connect to a laptop and phone at the same time?#
The Sony WH-1000XM4 supports multipoint pairing, so it can stay connected to two devices at once. The Bose QC45 did not offer multipoint at launch, so check Bose's current firmware notes if simultaneous laptop and phone connection is a requirement for you.
The Verdict#
The Sony WH-1000XM4 is the better headset for focus: its adaptive noise cancelling, 30-hour battery, and multipoint pairing make it the stronger all-day tool for people who need to shut the world out. The Bose QC45 is the better headset for talking: its six-mic array, simple Quiet and Aware modes, and renowned comfort suit a meeting-heavy schedule. Decide whether your workday is mostly listening or mostly speaking, and see our full headset reviews for more options.
Where to buy