SKU: 58435200313

PSB M4U 9 - Premium Wireless Active Noise Cancelling Headphones

Sale price$427.05 Regular price$474.50
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

PSB M4U 9 - Premium Wireless Active Noise Cancelling HeadphonesM4U 9 Premium Wireless ANC Headphones The M4U 9 Premium Wireless Active Noise Cancelling Headphones redefine the expectations of PSBs True to Nature sonic performance with all new graphene infused drivers and improved ergonomic comfort. Pair to your device, play music and make voice calls noise free thanks to aptX Adaptive Bluetooth and cVc (clear voice capture) built in. Powerful technologies like Personal Sound by Audiodo allow you to calibrate your

M4U 9 – Premium Wireless ANC Headphones

The M4U 9 Premium Wireless Active Noise Cancelling Headphones redefine the expectations of PSB’s “True to Nature” sonic performance with all-new graphene-infused drivers and improved ergonomic comfort. Pair to your device, play music and make voice calls noise-free thanks to aptX™ Adaptive Bluetooth and cVc™ (clear voice capture) built-in. Powerful technologies like Personal Sound by Audiodo™ allow you to calibrate your left and right headphones separately so the music sounds just right, while PSB’s proprietary RoomFeel™ tuning and active noise cancelling leaves you with nothing but natural and open sound.

  • Premium Wireless Active Noise Cancelling Over-ear Headphones
  • Bluetooth HD wireless connection with Qualcomm® aptX™ Adaptive and cVc™ technology
  • Custom sound calibration with Audiodo™
  • Natural and open RoomFeel™ tuning
  • Graphene-infused drivers

Built for Premium Listening
Utilizing a new graphene-infused driver, the M4U 9 delivers improved damping, stiffness and efficiency for a truly immersive hi-fi audio experience. The M4U 9 Wireless Active Noise Cancelling headphones are at the pinnacle of PSB headphone performance, bringing PSB’s award-winning “True-to-Nature” sound signature to new sonic heights and providing crisp and powerful sound that lets you hear every detail of your favourite music and movies, even in the noisiest environments.

In Tune with You
Since each of us hear differently, there is no catch-all headphone setting that works for everyone’s unique hearing needs. Utilizing advanced algorithms, Audiodo Personal Sound™ checks your right and left ears separately through a series of audio tests and questions, correcting any hearing anomalies. It then quickly creates a personal hearing profile for you that compensates for anomalies in sound perception and hearing abilities, letting you fully hear PSB’s renowned “True-to-Nature” sound signature. The latest implementation of Audiodo includes a Volume Dependent Compensation feature so the M4U 9 can accurately match the timbral balance of the music at any volume level you choose. In addition, there are four EQ presets you can engage for specific music or movies – tighter bass, more detail, better dialogue and the default preset – RoomFeel™.

The full featured PSB Headphones App turns your device into a remote control for your M4U 9’s, giving you access to specific sound settings and features that you can adjust for a richer listening experience. With the tap of a few buttons you can create a sound profile using Audiodo, control noise transparency levels, choose from preset EQ settings, check battery level and more.

RoomFeel™ Realism
Created to deliver rich and natural sound through headphones, the next generation of PSB’s proprietary RoomFeel™ technology mimics the experience of listening to a pair of high-quality, full-range speakers properly set up in a good room. Carefully developed, using research and expertise around ‘Room Gain’ – the energy and warmth that room boundaries add to the response curve of a flat-measuring loudspeaker, RoomFeel makes the music feel less ‘in your head’ by recreating an open and natural in-room listening experience through the M4U 9. Regardless of the environment you’re situated in, RoomFeel brings you the most natural, non-fatiguing listening experience even during long work days, journeys on transportation or binge watching sessions.

Active and Adaptive
Using adaptive technologies, the M4U 9 headphones adjust to your environment while you move, work and play. Pair the headphones to your device seamlessly with aptX™ Adaptive Bluetooth, a 24-bit, HD universal Bluetooth technology that uses a variable bitrate to enable low-latency audio reproduction for playing games or watching movies while still offering the best possible sound quality. To block out the noise, the M4U 9’s all-digital active noise cancelling (ANC) capabilities utilize 4 digital MEM microphones to decrease audio conversion errors in audio processing for pure, focused listening, with two additional mics for cVc™ (clear voice capture) technology that delivers crystal clear voice quality for all your voice calls.

Luxe Mobile Listening
The epitome of comfortable listening is at your fingertips so you can listen longer and with noise-free focus throughout the entire day or night. Enjoy up to 25 hours of run time in Active Mode, or if you’re running low on battery, switch to two different modes of wired operation: 3.5mm wired connection, or via USB-C from the computer which recharges the batteries while you listen. Toggle between three different listening modes: ANC with RoomFeel, Active with RoomFeel or a Passive mode, using the physical switch on the headphones and mix in your surroundings by adjusting transparency levels through the PSB Headphones App Super soft earpads – fabric and leatherette – are included with the M4U 9, providing excellent seal so all that’s left is rich, detailed sound. The gyro-suspended earpads are tilted at 15 degrees for ideal ergonomic support, while the expandable headband features a fabric inner cover for optimal comfort.

  • Premium wireless noise cancelling headphones
  • PSB’s award-winning “true-to-nature” sound signature
  • Graphene-infused, 40mm drivers
  • aptX™ Adaptive wireless HD Bluetooth
  • All-digital adaptive noise cancelling (ANC) for pure noise-free listening
  • Personal Sound calibration with Audiodo™
  • Connects to PSB Headphone App for more control and personalization
  • Up to 25 hours of battery life for all-day wireless playback
  • Powerful rechargeable battery with a USB C charger
  • Compatible with iOS and Android devices

Specifications

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58435200313

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4.8 ★★★★★
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K
Verified Purchase
KN
Charlottesville, US
★★★★★ 1
Disappointed
Size: Tub 8 Ounce
Not happy with this product. The product fails to give the desired results. I used the entire thing but left disappointed. The price is high for this small amount and on top of that it doesn't help with the diaper rash.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 26, 2026
L
L. Minten
San Leandro, US
★★★★★ 5
Can be used for more than just diaper rash...
Size: Tub 8 Ounce
We were turned on to using diaper rash ointment for healing cracked heels and rough hands. Our German exchange daughter brought a cream from Germany that was fantastic and we have spent the last fifteen years trying to find something US based that could compare. As grandparents, we also wanted to make sure when we are on deck for diaper duty we use something approved by very picky natural based parents. I figured I would try it out on myself first and frankly my hands need it desperately. The ingredients are natural based, well researched, and used in the top rated diaper rash creams. It is a New York company founded by a woman trying to come up with a burn cream for her daughter years ago. They have a poison oak bar they developed along with other healing creams. After researching it, as I encourage everyone to do on any skin or health product, I felt comfortable enough to give it a go. It comes well sealed in a small jar and is a firm creamy ointment. It smells nice - a little sweet and flowery, but not overwhelming - just a natural scent really. It only takes a scooch and covers well. I was expecting a thick what paste as in diaper creams from back in my day but this is transparent when you put it on. It absorbs nicely but leaves a water shedding quality. My normally rough hands are soft this morning and what I like best is the water shedding properties. I ran my hands under the water just to put it to the test and it did great. I have very sensitive skin and have had no issues. Really a nice cream I feel totally comfortable using myself and on those cute lil baby buns. The company put a lot of care into developing their products and I appreciate it. Oh, one question I would be asking is "is it oily" - It is not. The feeling you get from it is best described as "soft". The con - the writing on the jar is so small (old people can't see) so I relied on being able to blow up the pictures on here. What would be great is if they would add the back of the jar in the pictures too.
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Reviewed in the United States on February 17, 2024
J
Verified Purchase
Jessica
Boise, US
★★★★★ 2
No spatulas ?
Size: Tub 8 Ounce
Seems ok so far. We will see. A little disappointed that it didn’t come with the spatulas everyone pictured in the reviews.
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Reviewed in the United States on May 17, 2026
T
The Dude
Natrona Heights, US
★★★★★ 5
easy to use spatula
This two pack of baby spatulas are easy to use and easy to clean. You don't have to worry about getting your fingers sticky or messy when applying creams to your baby. The suction cup on the end is a nice touch so that you can stand these up straight and not get another surface dirty or sticky. Definitely recommend this item to new parents!
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Reviewed in the United States on June 11, 2025
E
Verified Purchase
EMMANUEL ABROKWAH
Alexandria, US
★★★★★ 5
Herblov Turmeric Soap Bar for Face & Body
great soap for the face; helps to decreased oily face. my oily face is completely restored. thanks to this soap. highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025

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