Sony EXTRA BASS XB33 Reference Manual Download Page 2

SRS-XB33_AU/IN (GB) 5-012-981-41(1)

How to care for the unit

Although the fabric part of the unit has water repellent treatment applied, you can use the unit more 
comfortably and for a longer period of time by following the maintenance procedure below.

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If the surface of the unit gets dirty in the following cases, wash the unit with fresh water (tap water, 
etc.) promptly to remove the dirt. Leaving dirt on its surface may cause the fabric part or the passive 
radiator section to discolor or deteriorate, or the unit to malfunction. 
Ex.

 

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When salt, sand, etc. is stuck on the unit after using it on a beach, pool side, etc.

 

ē

When the unit is stained with foreign substances (sunscreen, suntan oil, etc.)

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If the unit gets wet, wipe off the moisture using a dry soft cloth immediately. In addition, dry the unit 
in an airy place until no moisture remains.

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The sound quality may change when water enters the speaker or passive radiator section of the unit. 
It is not malfunction. Wipe off the moisture on its surface, and put the unit on a dry soft cloth to drain 
the collected water inside the unit. Then, dry the unit in an airy place until no moisture remains.

Note

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If the surface of the unit gets dirty, do not use detergent, thinner, benzine, alcohol, etc. to clean the 
unit because it will affect the water repellent function of the fabric part of the unit.

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Especially in cold regions, be sure to wipe off the moisture after using the unit. Leaving moisture on 
its surface may cause the unit to freeze and malfunction.

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If sand grains, etc. enter the fabric or other part of the unit, remove them carefully. Never use a 
vacuum cleaner, etc. on the unit. It may cause damage of the speaker section or other part of the unit.

Notes on the License

This product contains software that Sony uses under a licensing agreement with the owner of its 
copyright. We are obligated to announce the contents of the agreement to customers under 
requirement by the owner of copyright for the software.
Please access the following URL and read the contents of the license.
https://rd1.sony.net/help/speaker/sl/20/

Notice on GNU GPL/LGPL applied software

This product contains software that is subject to the following GNU General Public License 
(hereinafter referred to as “GPL”) or GNU Lesser General Public License (hereinafter referred to as 
“LGPL”). These establish that customers have the right to acquire, modify, and redistribute the 
source code of said software in accordance with the terms of the GPL or LGPL supplied. The source 
code for the above-listed software is available on the Web.
To download, please access the following URL then select the model name “SRS-XB33”.
URL: http://oss.sony.net/Products/Linux/
Please note that Sony cannot answer or respond to any inquiries regarding the content of the 
source code.

Specifications

Speaker section

Full range unit 

Approx. 48 mm × 70 mm (2)

Enclosure type 

Passive radiator model

BLUETOOTH

Communication System 

BLUETOOTH Specification version 5.0

Maximum communication range 

Line of sight approx. 30 m*

1

Frequency band 

2.4 GHz band (2.4000 GHz - 2.4835 GHz)

Modulation method  FHSS
Compatible BLUETOOTH Profiles*

2

 

A2DP (Advanced Audio Distribution Profile) 
AVRCP (Audio Video Remote Control Profile) 
HSP (Headset Profile) 
HFP (Hands-free Profile)

Supported Codec*

3

 

SBC (Subband Codec) 
AAC (Advanced Audio Coding) 
LDAC

Transmission range (A2DP) 

20 Hz - 20,000 Hz (Sampling frequency 44.1 kHz)

*

1

  The actual range will vary depending on factors such as obstacles between devices, magnetic fields 

around a microwave oven, static electricity, reception sensitivity, aerial’s performance, operating 
system, software application, etc.

*

2

  BLUETOOTH standard profiles indicate the purpose of BLUETOOTH communications between devices.

*

3

  Codec: Audio signal compression and conversion format

Note

Depending on the network environment, there may be an interruption at the high bitrate transmission.

Microphone

Type 

Electret condenser

Directional characteristic 

Omni directional

Effective frequency range 

100 Hz - 7,000 Hz

General

DC OUT 

USB jack Type A (for charging the battery of a connected device)  
(DC 5 V, Max. 1 A)

Power 

DC 5 V (using a commercially-available USB AC adaptor capable of feeding in 
3.0 A) or, using built-in lithium-ion battery

Lithium-ion battery life (with playback via a BLUETOOTH connection) 

Approx. 24 hours*

4

 *

7

 

Approx. 14 hours*

5

 *

7

 

Approx. 4 hours*

6

 *

7

Dimensions (including projecting parts and controls) 

Approx. 246 mm × 97 mm × 106 mm (w/h/d)

Mass 

Approx. 1.1 kg including battery

Supplied accessory 

USB Type-C® cable (USB-A to USB-C® / Max. 1.5 A) (1)

*

4

  Measured value acquired by playing our specified music source with the volume level of the unit set 

to 36, the sound mode set to STAMINA, and the illumination turned off.

*

5

  Measured value acquired by playing our specified music source with the volume level of the unit set 

to 35 and with the factory default settings (illumination: ON and sound mode: EXTRA BASS).

*

6

  Measured value acquired by playing our specified music source with the volume level of the unit set 

to maximum and with the factory default settings (illumination: ON and sound mode: EXTRA BASS).

*

7

  Actual performance time may vary from the listed time due to the volume, songs played, surrounding 

temperature, and usage conditions.

System requirements for charging battery using USB

Using a commercially-available USB AC adaptor capable of feeding in 1.5 A or 3.0 A*

8

*

8

  When using a USB AC adaptor with an output current of 3.0 A, be sure to use a USB Type-C® cable 

that conforms to the USB standard and supports an output current of 3.0 A. 
The supplied USB cable supports an output current of up to 1.5 A.

Compatible iPhone/iPod models

iPhone XS Max, iPhone XS, iPhone XR, iPhone X, iPhone 8 Plus, iPhone 8, iPhone 7 Plus, iPhone 7, 
iPhone SE, iPhone 6s Plus, iPhone 6s, iPhone 6 Plus, iPhone 6, iPhone 5s, iPod touch (6th generation)
The unit is compatible with iOS 10.0 or later.
Design and specifications are subject to change without notice.

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