PSB M4U TWM Manual

PSB Hovedtelefon M4U TWM

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Side 1/10

TRUE WIRELESS MICRO PLANAR EARPHONES

OWNER’S MANUAL

M 4 U T W M

INTRODUCTION

Thank you for purchasing a pair of PSB Speakers M4U TWM Earphones. Producing natural

musical dynamics and precisely imaged sound, these high-delity earphones bring you closer

to the music you love.

Engineered with 50 years of audio excellence and research, the M4UTWM delivers

unmatched sound quality, all-day comfort and fold-and-go portability, for music enthusiasts

and professionals. PSB’s true-to-nature sound quality and stylish ergonomic design allow you

to escape to a personal concert experience that travels anywhere with you.

REGULATORY INFORMATION

Operating temperature range: 5°C – 40°C

Operating frequency range: Bluetooth 2.4G

Input rating: 5V 1A

Earphone battery life: 8 hours per charge

Earphone charging time: 66 minutes

Case charging time: 2 hours

Number of full charges held in case: 3

Net weight of each earphone: 5 grams

Total weight of earphones in the case: 45 grams

M4UTWM is in compliance with the essential requirements and other relevant provisions of

Directive 2014/53/EU.

Date of Manufacture: The second and third digits in the serial number indicates the year of

manufacture; “21” is 2021.

Responsible Party:

Lenbrook Industries Limited. 633 Granite Court, Pickering, Ontario, Canada L1W 3K1.

Phone: (905) 831-6333, Facsimile: (905) 831-6936

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG,

Inc. and any use of such marks by PSB Speakers is under license.

Qualcomm aptX is a product of Qualcomm Technologies, Inc. and/or its subsidiaries.

Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and

other countries. aptX is a trademark of Qualcomm Technologies International, Ltd., registered

in the United States and other countries.

The N-Mark is a trademark or registered trademark of the NFC Forum, Inc. in the United

States and in other countries.

To prevent possible hearing damage, do not listen at high volume levels for long

periods.

OSHA GUIDELINES FOR NOISE EXPOSURE LIMITS

The Occupational Safety Health Administration (OSHA) has issued headphone usage

recommendations for maximum daily exposure and sound pressure levels [measured in

decibels (dB)]. A decibel is a unit of sound measurement that increases exponentially with

volume. For example, conversational speech is typically around 60dB, and a rock concert in a

stadium is often about 110dB.

90dB 8 hours

95dB 4 hours

100dB 2 hours

105dB 1 Hour

110dB 30 minutes

115dB 15 minutes

120dB Avoid as damage may occur

FCC WARNING

This device complies with part 15 of the FCC Rules. Operation is subject to the following two

conditions:

1 this device may not cause harmful interference, and

2 this device must accept any interference received, including interference that may cause

undesired operation.

Any changes or modications not expressly approved by the party responsible for compliance

could void the user’s authority to operate the equipment.

NOTE: This equipment has been tested and found to comply with the limits for a Class B

digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This equipment

generates, uses and can radiate radio frequency energy and, if not installed and used in

accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user is encouraged to try to correct the

interference by one or more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the

receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

The device has been evaluated to meet general RF exposure requirement. The device can be

used in portable exposure condition without restriction.

FCC ID: SVC-M4UTWM

Lenbrook Industries Limited

Product: True Wireless Micro Planar Earphones

(PSB M4U TWM)

Model: M4U TWM

FCC ID: SVC-M4UTWM

Produkt Specifikationer

Mærke:	PSB
Kategori:	Hovedtelefon
Model:	M4U TWM

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