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Sony's new portable wireless speakers feature side-firing subwoofers

By Liu Hongzuo - on 13 May 2020, 11:00am

Sony's new portable wireless speakers feature side-firing subwoofers

Entertainment outlets may be closed until further notice, but that doesn't mean you can't bring the club home.

Sony's new portable wireless speakers - the SRS-XB23, SRS-XB33, and SRS-XB43 - are coming to Singapore, and boy, do they come with a ton of speaker modules on every model. As part of their Extra Bass line-up, these speakers bring richer, deeper bass notes in a shockproof chassis with IP67-rated water resistance.

Sony SRS-XB43 in Blue.

Using the Fiestable companion app (iOS, Android), users of the Sony SRS-XB23, SRS-XB33, and SRS-XB43 can trigger the speakers' built-in LEDs to provide mood lighting in various colours. Each speaker can last up to 24 hours with its Bluetooth 5.0 and NFC pairing. They are charged via its USB Type-C port, while they can charge smartphones via the speaker's USB Type-A port.

Sony SRS-XB33 in Red.

Official retail prices of the Sony speakers are not out yet, but we know they are slated for a Singapore launch come July 2020. They will be available at selected Sony Stores, Sony Centres, and Sony's flagship store on Lazada, in the following colourways for each model:

  • Sony SRS-XB43: available in Black, Blue, and Taupe.
  • Sony SRS-XB33: available in Black, Blue, Taupe, and Red
  • Sony-SRS-XB23: available in Black, Light Blue, Taupe, Coral Red, and Olive Green

Sony SRS-XB23 in Coral Red.

Let's take a quick look at the speaker configurations.


Sony X-Balanced Speaker Units

Sony SRS-XB23's internals.

While all the new speakers have their system dubbed as the X-Balanced Speaker Unit by Sony, they are laid out differently in each model. According to Sony's press statement, their design choices help the speakers achieve richer, deeper bass while reducing distortion, citing that the SRS-XB33 as an example where the sound pressure is 30% higher yet seeing a 25% reduction in distortion when compared to its previous generation (SRS-XB32).

Sony SRS-XB33's internals.

Part of these improvements is attributed to Sony's decision to use non-conventional oblong-shaped diaphragms for the audio modules. Not only does it use up more of the speaker's real estate, but Sony also claimed that it increases the bass impact.

Sony SRS-XB43's internals.

Of the three, the higher-tier SRS-XB43 comes with two additional tweeters next to the rectangular diaphragms for high-range audio frequencies. All three models pack subwoofers on the sides, which helps them bring out bass notes that are not only louder but also clear.

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