SKU: 65085133097

PSB M4U 9 Premium Wireless ANC Headphones

Sale price$362.70 Regular price$403.00
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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

PSB M4U 9 Premium Wireless ANC HeadphonesSuperior audio anywhere, anytime Elevate your audio experience with the M4U 9 Wireless Noise Canceling Headphones. Immerse yourself in pristine sound and enjoy wireless freedom with this premium headset. Whether you're a music enthusiast or a frequent traveller, the M4U 9 offers a perfect blend of cutting edge technology and comfort. Built for premium listening The M4U 9 redefines premium listening with graphene infused drivers, enhancing damping,

Superior audio - anywhere, anytime

Elevate your audio experience with the M4U 9 Wireless Noise-Canceling Headphones. Immerse yourself in pristine sound and enjoy wireless freedom with this premium headset. Whether you're a music enthusiast or a frequent traveller, the M4U 9 offers a perfect blend of cutting-edge technology and comfort.

Built for premium listening

The M4U 9 redefines premium listening with graphene-infused drivers, enhancing damping, stiffness, and efficiency for an unparalleled audio experience. These headphones continue PSB's industry-leading sound signature, delivering crystal-clear audio even in noisy environments. Its adaptive technologies mean you can rely on high-quality audio wherever you are with aptX™ Adaptive Bluetooth for low-latency audio and all-digital active noise cancellation. Experience premium audio anywhere life takes you.

Tuned just for you

Recognizing that everyone's hearing is unique, the M4U 9 employs Audiodo Personal Sound™. Each ear is assessed using precise audio tests and questions, and a personalized hearing profile is generated. Plus, four EQ presets, including RoomFeel™ , allow you to fine-tune your audio experience. Use the intuitive PSB Headphones App to control your settings, such as noise transparency and EQ presets.

Get out of your head

Discover an unparalleled listening experience with PSB's innovative RoomFeel technology. This advanced feature recreates the feeling of listening to high-quality powered speakers  in an acoustically optimized room. By mimicking the natural sound dispersion of speakers, RoomFeel takes the sound out of your head, providing a spacious and lifelike soundstage. Whether at home, on a journey, or immersed in entertainment, RoomFeel ensures that every note and detail is rich, natural, and open.

Listen longer in comfort

Crafted with comfort in mind, M4U 9 features gyro-suspended earpads, thoughtfully tilted at 15 degrees to provide ergonomic support. Meanwhile, its expandable headband, complete with a fabric inner cover, enhances overall comfort. Available in both fabric and leatherette, the soft earpads create an exceptional seal, preserving your sound quality. Enjoy 25 hours of runtime, or switch to wired operation through the 3.5mm or USB-C connections for uninterrupted listening.

Specifications

More Information
M4U 9 BLK

Frequency Response

LF Cutoff -10dB 10Hz - 23KHz
LF Cutoff -3dB

15Hz - 23KHz

Within ±1 1/2dB 20Hz - 23KHz

THD, total harmonic distortion

ANC: ON (1kHz/1mW) 0.5%
ANC: OFF (1kHz/1mW) 0.25%

Power Handling

Maximum 30mW

Impedance

Passive 32 Ohms

Transducer

Type

Dynamic, graphene-infused

Operating Principle

Closed

Size

40mm

Ear Coupling

Ear Coupling

Circumaural

Connection

Connection

3.5mm (1/8”) stereo jack (left or right)

Bluetooth aptX™ Adaptive, AAC

USB C

Cables

Standard Cable - 2m (78 3/4") Detachable Tangle-free

USB Cable - 2m (78 3/4") Detachable Tangle-free

Battery Life

Wireless Active Mode

25 hrs

Wireless ANC Mode

18 hrs

Construction

Headband Spring Steel
Driver Enclosure

ABS + Polycarbonate

Earpads/Headpad Cover

Leatherette and Cloth

Travel Case EVA

Dimensions / Weights / Finish

Overall 200 x 200 x 90mm (7 7/8 x 7 7/8 x 3 9/16”)
Ear Cushion Outside 84 x 114 x 17mm (3 5/16” x 4 1/2” x 11/16”)
Travel Case 180 x 220 x 98mm (7 1/16” x 8 11/16” 3 7/8”)
Net weight 362g (12.8oz)0.9oz (25g) with cable
Shipping weight 1.6kg (3.45lbs)

Cables

Standard Cable 2m (78 3/4”) Detachable, braided Tangle-free
USB Cable 2m (78 3/4”) Detachable, braided jacket Tangle-free

Finish

Finish Jet Black
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: 65085133097

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4.5 ★★★★★
Based on 20 reviews
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Product Reviews
K
Verified Purchase
Kathy Stefanski
Belleville, US
★★★★★ 1
It doesn't work.
Color: Blue
The two halves of the ball shell come apart again and again when the dog plays with them. When it is time to recharge the core, it will not take a charge. The dog loves it, but it's unsafe to play with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
M
Verified Purchase
Mary Roberts
Chelsea, US
★★★★★ 2
It doesn’t do what is supposed to do
Color: Blue
Wasn’t impressed..,all the ball does is vibrate. It doesn’t really bounce
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
B
Verified Purchase
Brittany Manos
Phoenix, US
★★★★★ 5
My dogs fight over it
Color: Orange, Color: Orange
Easy to use, durable, and has a great battery love. At first my dogs were curious and unsure about it, now its become one of their favorite toys. They'll stare at it while its being charged and impatiently wait for it so they can have fun again. Perfect size for most breeds.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
Great to keep your dog entertained
Color: Blue
Great toy my 13 month old cane corso absolutely loved it and it kept her entertained forever except she has an extremely strong bite so she was figuring out a way to split it apart so I had to take it away -it’s extremely strong, but not strong enough for the bite of a cane corso but any other dog would love it. I just wish my dog didn’t have such a strong bite and would be able to keep enjoying it since it is a little expensive the only problem with it is that I thought the remote shuts it off, but then her bites were making it come back on, so I don’t know if it was my dog or the toy just doesn’t stay off until you turn it on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
V
Verified Purchase
Valerie
Battle Creek, US
★★★★★ 1
Stopped working within 3 days
Color: Blue
Worked for 3 plays. My 11 week old puppy loved this item. Unfortunately, it only lasted 3 tries before the motor stopped working. $30 for a total of 30 minutes over 3 days is robbery! I'd look at another vendor for the same type of item. We charged it after each attempt but now the motor won't turn on.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 12, 2026

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