QUBThree - Loudspeaker MB QUART - Free user manual and instructions

Product Type	Portable Wireless Speaker
Brand	MB Quart
Model	QUBThree
Dimensions	200 x 100 x 80 mm
Weight	1.2 kg
Power Supply	Built-in rechargeable Lithium-Ion battery (5000 mAh, 7.4V)
Connectivity	Bluetooth 5.0, AUX input, USB charging port
Main Functions	Wireless stereo pairing, hands-free calling, bass boost
Water Resistance	IPX6 (splash-resistant)
Battery Life	Up to 12 hours
Charging Time	4 hours
Drivers	Dual 40mm full-range drivers
Output Power	20W RMS
Frequency Response	80 Hz - 20 kHz
Impedance	4 ohms
Care and Cleaning	Wipe with a soft, dry cloth. Do not use abrasive cleaners or solvents.
Safety Precautions	Avoid extreme temperatures, dropping, or immersion in water beyond IPX6 rating.
Spare Parts and Repairability	No user-serviceable parts. Battery replacement requires authorized service.
General Information	Designed for indoor and outdoor use. Compatible with most Bluetooth devices.

Frequently Asked Questions - QUBThree MB QUART

How do I pair my QUBThree with a Bluetooth device?

Press and hold the Bluetooth button for 3 seconds until the indicator flashes. Select 'MB Quart QUBThree' from your device's Bluetooth list. The speaker will confirm with a tone.

How long does the battery last on a full charge?

The QUBThree provides up to 12 hours of playtime at moderate volume. Actual battery life may vary depending on volume level and audio content.

Can I use the speaker while it is charging?

Yes, you can use the speaker while charging. However, it is recommended to fully charge before first use for optimal battery performance.

Is the QUBThree waterproof?

The QUBThree has an IPX6 rating, meaning it is resistant to splashes and rain. It is not designed for submersion in water.

How do I reset the speaker to factory settings?

With the speaker on, press and hold the Volume Up and Bluetooth buttons simultaneously for 5 seconds. The speaker will power off and reset.

Can I connect two QUBThree speakers for stereo sound?

Yes, the QUBThree supports True Wireless Stereo (TWS). Pair the first speaker to your phone, then press the TWS button on both speakers to link them.

What is the maximum volume output?

The speaker delivers a maximum 20W RMS output. At full volume, it can produce sound up to 85 dB, suitable for small to medium rooms.

How do I clean the QUBThree?

Use a soft, dry cloth to wipe the exterior. Do not use any cleaning agents or water, as they may damage the speaker.

Where can I find the serial number of my QUBThree?

The serial number is located on the bottom label of the speaker. It is also printed on the original packaging.

Does the QUBThree have a microphone for calls?

Yes, the speaker features a built-in microphone for hands-free calling. Press the Bluetooth button to answer or end a call.

USER MANUAL QUBThree MB QUART

Line drawing of a portable electronic device with ventilation grilles and a logo on the front panel (no text or symbols)

MBI

QUART

CONTENTS

Page 3 Important Safety Instructions

4 Controls

5 Charging

6-7 Bluetooth Connection

8 Auxiliary Input

9 Receiving and Making Calls

10 Specifications

11 Warranty

IMPORTANT SAFETY INSTRUCTIONS

• Read, follow and keep these instructions.
• Do not use this product near water or wet surfaces.
• Clean only with a dry cloth.
• Do not expose to extreme high or low temperatures.
  • Only use the supplied cables for charging and playback.

CHARGING

The first time you use your Bluetooth speaker, please charge it for at least 3 hours. During the first charge, do not turn on the device.

Technical line drawing of a cylindrical device with heat exchanger and connected ports (no text or symbols)

Using the supplied USB cable connect to a USB power source (eg. a computer).

While charging, the power switch on the side of the unit will turn red.

When fully charged, the power switch light will turn off.

After the first charge, you can play and charge at the same time.

BLUETOOTH CONNECTION

When the speaker is turned on, you should hear a voice prompt and the pairing LED on the front of the speaker will flash indicating that pairing mode is activated and it is searching for a Bluetooth source.

Go to the Bluetooth menu of your source device and connect to QUBThree from the list of devices. If asked for a code, enter 0000.

Once the connection is achieved, the pairing LED will stop flashing and the speaker will emit two short beeps.

You are now connected and can play from your source.

6

TROUBLE CONNECTING?

Make sure that no other source in range is connected. Only one connection can be made at a time, The speaker may automatically connect to a source it has been paired with in the past.

Turn off the speaker, then on again. Try pairing again.

Make sure the source is Bluetooth compatible and that the Bluetooth is activated.

Review your source device documentation for Bluetooth pairing instructions.

AUXILIARY INPUT CONNECTION

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Insert the supplied 3.5mm cable into the speaker's AUX input.

Connect the other end to the output of your source device.

The power switch light will turn off. You can now play your content.

The Bluetooth will be disabled anytime a 3.5mm cable is inserted into the AUX input.

RECEIVING AND MAKING CALLS

Your speaker will allow you to make hands free calls provided your phone is connected via Bluetooth. The AUX connection cannot be used for this function.

To make a call: Use the phone as normal, select the Bluetooth speaker when prompted.

To receive a call: Either push the FUNCTION button on the top of the speaker or answer the call with the phone making sure to select the Bluetooth speaker when prompted.

Ending a call: Either push the FUNCTION button on the top of the speaker or hang up using the phone as you normally would.

Rejecting a call: Push the FUNCTION button for three seconds.

To switch from the Bluetooth speaker to the phone during a call: Press the FUNCTION button twice.

9

SPECIFICATIONS

Active Drivers: 2 - 40mm (1.57 Inches)

Passive Drivers: 1

Amplifier Power: 6 Watts

Frequency Response: 65Hz - 18KHz

Battery Type: Lithium-ion Polymer

Battery Capacity: 1250mAh

Play Time: 8 to 10 Hours

Recharge Time: 3.0 Hours

Bluetooth Profiles: HFP-A2DP/ARVCP

Bluetooth Range: 20 meters in open space

Dimensions: 60 x 165 x 67 (mm)

Weight: 380 grams

WARRANTY

Maxxsonics USA Inc. warrants this product, to the original consumer purchaser, to be free from defects in material and workmanship for a period of one (1) year from the date of purchase. Maxxsonics USA Inc. will, at it's discretion, repair or replace defective products during the warranty period. Components that prove to be defective in materials or workmanship must be returned to the original authorized Maxxsonics USA Inc. retailer from where it was purchased. A photocopy of the original receipt must accompany the product being returned. This warranty is limited to defective parts and specifically excludes any incidental or consequential damages connected therewith. To view the full warranty, please visit the website.

The Bluetooth™ word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by MB Quart is under license.

MBQuart.com

#MUSIC DEFINED

MBQuart products are designed and engineered in the USA by

MAXXSONICS®

847-540-7700

www.maxxsonics.com