PSB M4U 8 Owner'S Manual Download Page 3

This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two 
conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including 
interference that may cause undesired operation of the device.

Radio Frequency Exposure Statement for IC

The device has been evaluated to meet general RF exposure requirements. The device can be used in mobile exposure 
conditions. The min separation distance is 25mm.

 WARNING 

•  Warnings or announcements may be unnoticed when you are using the headphones. Please be aware of ambient sounds 

while wearing the headphones and recognize them as needed.

•  To prevent possible hearing damage, do not listen at high volume levels for long periods.
•  These headphones should only be connected to a USB interface of version USB2.0 or higher.
•  Risk of explosion if the battery is replaced by an incorrect type, dispose of used batteries according to the instructions.
•  Be sure to read the Owner’s Manual of the device that you want to connect to these headphones.
•  Check the volume settings when using the headphones when in public places and ensure that you do not disturb people 

around you.

•  These headphones are not guaranteed to work with all combinations of Bluetooth devices/mobile phones.
•  These headphones do not support a connection with all Bluetooth devices/mobile phones.
•  Bluetooth wireless technology can communicate up to approximately 10 m. Obstructions (people, metallic objects, walls, etc.) 

and radio wave conditions affect the actual range.

•  The Bluetooth device that you want to connect with must support the same profile as these headphones in order to use the 

Bluetooth function. For details on profiles that the Bluetooth device is compatible with, see the Bluetooth device Owner’s 
Manual.

•  Due to features of Bluetooth wireless technology, playback of audio on the headphones is slightly delayed compared to the 

playback on the transmitting device.

•  Do not use your headphones while driving.
•  Remove the headphones immediately if you experience a warming sensation or loss of audio.
•  Do not use mobile phone adaptors to connect these headphones to airplane seat jacks, as this could cause overheating and 

result in injury or property damage.

•  The headphones and accessories contain small parts which may be a choking hazard. Not suitable for children under age 3.
•  This product contains magnetic material. Consult your physician on whether this might affect your implanted medical device
•  Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, 

CCC).

•  Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
•  Long-term exposure to loud music may cause permanent hearing damage. To avoid personal injury when using the 

headphones for extended periods, the volume should be kept at the described levels in Figure 1.

•  Fire or shock may occur should water or other foreign substances permeate inside the device.
•  Do not attempt to modify this product as it could result in personal injury and/or product failure.
•  Keep batteries out of reach of children

Summary of Contents for M4U 8

Page 1: ...WIRELESS ACTIVE NOISE CANCELLING HD HEADPHONES OWNER S MANUAL...

Page 2: ...Facsimile 905 831 6936 The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use if such marks by PSB Speakers is under license The N Mark is a trademark or r...

Page 3: ...objects walls etc and radio wave conditions affect the actual range The Bluetooth device that you want to connect with must support the same profile as these headphones in order to use the Bluetooth...

Page 4: ...s allows you to pick a preferred side for a more comfortable listening setup as shown in Figure 2 If your audio equipment uses a 1 4 inch 6 3mm output jack use the included 1 4 inch adaptor USB Cable...

Page 5: ...with the internal headphone amplifier The 3 position Power Switch will be GREEN In Active mode the internal headphone amplifier is active The 3 position Power Switch will be BLUE In Passive mode OFF...

Page 6: ...ource device the pairing LED will turn solid BLUE 6 If pairing fails the pairing LED will turn solid RED NFC Wireless Pairing M4U 8 MKII supports Near Field Communication NFC so you can easily pair yo...

Page 7: ...Call Microphones for the phone Bottom Right Top Right USB C plug used to charge the internal battery and as a PC connection for audio 3 5mm jack for optional audio equipment Bluetooth Pairing button...

Page 8: ...o set up your Audiodo profile In the PSB Headphones app Tap the To Calibration button to begin the hearing calibration The hearing calibration is meant to assess your hearing characteristics To produc...

Page 9: ...e application to headphones that already have a profile stored on them you will see the Profile mismatch message This means that a profile exists on the headphones you are now using but not on the app...

Page 10: ...h the pads facing up Fold the towel over top of the cushions and press down to remove any excess water in the foam padding Air dry completely before reattaching Cushion Attachment Detachment 1 To deta...

Page 11: ...on point for the recycling of electrical and electronic equipment The materials can be reused in accordance with their markings Through re use recycling of raw materials or other forms of recycling of...

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