Sony SRS-XB43 Portable Bluetooth Speaker - Extra Bass, Blue

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With the Sony SRS-XB43 Portable Bluetooth Speaker - Extra Bass, Blue you can enjoy deep, punchy sound wherever you like with your EXTRA BASS speaker. Dual passive radiators work together with the 2-way speaker system to enhance low-end tones, giving bass a boost. Developed by Sony, the X-Balanced Speaker Unit achieves high sound quality and powerful sound pressure for a richer, deeper, more rewarding listening experience.

The XB43s 2-way speaker system combines a woofer for low to mid-range frequencies with a dedicated tweeter for the higher range frequencies. The result is exceptional vocal clarity. The rigid and lightweight Mica Reinforced Cellular (MRC) speaker cone and dust cap contribute to the sound quality. The layout of the side passive radiators has been optimised to reproduce clear bass sound.

Hit the LIVE SOUND button and hear your music in a whole new way. Bring your party to life with a unique three-dimensional sound experience, creating festival vibes wherever you go. The speakers of the SRS-XB43 are carefully designed to give you a real three-dimensional experience. Our angled speakers with DSP technology send your music to a wider area, creating a festival vibe, wherever you are.

There's no fun without party lights. The SRS-XB43 has a tweeter light, a speaker light, and a multi-colour line light that all flashes in sync with the beat. You can even change the colour of the line light to suit your mood. Control the party from the dance floor, with the Sony Music Centre app select your favourite playlists, cue the next song, or change lighting patterns and sound modes.

Download the Fiestable app, and you'll be able to control the lighting on the SRS-XB43, and you can also use motion control gestures on your smartphone screen. Whether you place it horizontally or vertically, the SRS-XB43 sits securely, so you can always find space for it, wherever you're partying. Near Field Communication (NFC) and Bluetooth technology remove the need for wired connections and complex set-up sequences.

Simply touch your NFC-enabled device to the speaker for a quick, seamless connection, then start streaming your music collection. No NFC? No problem. Connect via Bluetooth and you're ready to go. Use a USB Type-C cable to charge the SRS-XB43 and if your smartphone is running low on power, just plug it into the speaker's USB port to charge up the battery.

An AC adapter is also included, enabling you to play music without worrying about battery life, and it offers another convenient way to charge your XB43 too. Unlike the circular diaphragm in a conventional speaker unit, the newly developed X-Balanced Speaker Unit in the XB43 features an almost rectangular diaphragm. This not only maximises the area of the speaker diaphragm, increasing sound pressure for more punchy bass, but it also reduces driver excursion while maintaining the same sound pressure, resulting in less distortion and greater vocal clarity.

Thanks to the IP67 rating, you can take your speaker to the beach, the forest, the desert, or wherever you like the SRS-XB43 will keep on playing, no matter how dusty the surface. With an IP67 rating, your speaker is waterproof and salt water-resistant, so you've no worries using it by the sea or the pool and there's no problem washing it either. Up to 24 hours of battery life means the SRS-XB43 can party even longer than you can.

Even with the lighting on in EXTRA BASS mode, you can party for up to 14 hours. Enjoy the same song, multiplied, with Party Connect. Connect up to 100 compatible wireless speakers with BLUETOOTH technology, and the music and lights sync up so everyone dances to the same beat. Set a random pattern or set the lights to blink in a circle. The speakerphone function offers a convenient way to talk hands-free, whether it's a conference call for work or a chat with friends.



  • Extra bass
  • X-balanced speaker unit
  • Tweeter for vocal clarity
  • Waterproof and dustproof
  • Up to 24 hours of battery life
  • Stand it up or on its side
  • Totally washable
  • Hands-free calling



Brand Sony
Speaker Type Woofer (L / R) / Tweeter (L / R)
Dimensions Approx. 325mm x 123mm x 117mm (W x H x D)
Weight Approx. 2950g
Hands-Free Function Yes
Communication System Version 5.0
Compatible Profiles A2DP/AVRCP/HSP/HFP/SPP
Supported Codecs SBC,AAC,LDAC
Frequency Transmission Range 20Hz - 20,000Hz (44.1 kHz sampling)
Frequency Range 2.4GHz band
Input And Output Terminals Stereo Mini Jack (IN), USB A(Only for DC OUT)
Compatible Smartphone Apps Sony Music Centre / Fiestable
Battery Life Approx.24H
Power Supply Internal rechargeable battery
USB Power Port For Smartphone USB A (5V 1A)
Water Protection IP67
Power Consumption Approx. 15W
Power Consumption (Standby Mode) Approx. 0.3W
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