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Comparison Sony Extra Bass SRS-XB40 vs Sony Extra Bass SRS-XB20

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Sony Extra Bass SRS-XB40
Sony Extra Bass SRS-XB20
Sony Extra Bass SRS-XB40Sony Extra Bass SRS-XB20
from $289.95 
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from $128.92 
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Connection
Sources and media
Bluetooth v 4.2
mini-Jack (3.5 mm)
Bluetooth v 4.2
mini-Jack (3.5 mm)
Acoustic characteristics
Number of channels2.0 (stereo)2.0 (stereo)
Passive emitter
Output power64 W25 W
Frequency range20 – 20000 Hz20 – 20000 Hz
Speaker synchronizationSony Party ChainTWS
Codec support
AAC
LDAC
AAC
LDAC
Features
speakerphone
NFC
lighting effects
speakerphone
NFC
lighting effects
Battery
Battery life24 h12 h
USB charging portmicroUSBmicroUSB
Power bank mode
General
WaterproofIPX5IPX5
Materialplasticplastic
Size (HxWxD)100x279x105 mm68x198x69 mm
Weight1500 g590 g
Color
Added to E-Catalogjanuary 2017january 2017

Output power

The total power of all channels of the speaker system. The higher the power, the larger the size of the room in which the audio system can be used, however, more powerful portable speakers usually have larger dimensions and weight.

Speaker synchronization

The model supports the ability to synchronize the operation of several speakers connected to one signal source. This solution allows you to realize truly stereo sound, improve the quality and power of sound reproduction, and also expand the stereo panorama. The only thing is that both speakers must support the appropriate connection type. Different brands may have their own technologies for combining speakers (JBL Connect, JBL PartyBoost, Sony Party Chain), or maybe a universal TWS.

Battery life

Operating time of a portable audio system without connecting to an external power source (network or USB port, depending on the capabilities). Note that manufacturers tend to indicate battery life in their specifications under optimal conditions for energy saving: at low volume, without using additional functions, etc. Therefore, in fact, this indicator may be noticeably lower than the claimed one, and speakers with a long operating time will not sound at full volume for the specified hours.

Power bank mode

Ability to work portable acoustics in power bank mode. This mode is only found in models with their own batteries (see "Power type"): it allows you to use this battery to power a smartphone or other external gadget. Thus, acoustics can play the role of an additional external battery, which is important in situations where it is not possible to charge a portable device in time.

Note that Power Bank speakers may only be compatible with certain phone models; this point should be clarified before buying.
Sony Extra Bass SRS-XB40 often compared
Sony Extra Bass SRS-XB20 often compared