Onkyo LS-B40

Onkyo LS-B40 soundbar

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Taking inspiration from the powerful and popular LS-T10 Soundbase, this soundbar incorporates Onkyo's AuraSpher DSP technology to give a fantastic surround sound effect. There's even Bluetooth for music streaming!
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We get asked so often for a wireless surround sound solution and, while it is now more possible with the advent of multi-room speakers, you still need speakers in various locations around your room and not every sound format is supported. Onkyo have invented their AuraSphere technology to provide a clever compromise between having big, rich, surround sound without the need for a mulitude of wires and speakers.

The LS-B40 Soundbar uses a clever configuration of speakers to create the surround sound. There are 4 precision full range cone drivers and two woofers on the front of the bar and an extra ring tweeter on either side. This means that the sound is directed in different directions and it is reflected by your furniture and walls to give you an immersive surround sound effect.

Connection to your TV is incredibly simple, the best would be via an optical cable, but there's also co-axial and analogue inputs if your TV can't support an optical connection. The volume control even works straight away from your TV remote but it is also supplied with its own remote so you can adjust the bass and treble levels, change the pre-programmed sound mode or activate a bluetooth connection.

The three pre-programmed sound modes (Music, Movie and News) are designed to give you the best sound for those particular sources but you can adjust the soundbar to your liking.

We were big fans of the LS-T10 but it was let down by its size and it was no good if your TV was wall mounted. The LS-B40 solves those issues without comprising on sound quality or technology! The only downside for those that love a lot of bass is that, although there are woofers included in the sounbar that give a good, rich tone to the sound, there isn't a big subwoofer included in this one. However, this issue is solved by the LS-B50 sounbar so if you're looking for a bigger boom then check that one out!

Also known as: LSB40, LSB-40, LS B40, LSB 40

Tech Spec


Model LS-B40
Range No


Audio formats MP3
Surround sound processing Dolby Digital
Dolby Atmos No

Inputs and Outputs

Optical connections 1 in
Digital Co-axial connections 1 in
Analog connections 1 in
USB connections 1, To playback from USB sticks, To playback from USB hard drives
Bluetooth Yes


Multiroom No


Curved screen or soundbar No
Screen size No
Speaker Configuration Soundbar
Frequency response 120Hz - 20kHz


Dimensions (W x H x D) 909 x 97 x 96 mm
Net weight 3.9 kg
Boxed dimensions (W x H x D) 992 x 190 x 235 mm
Gross boxed weight 5.9 kg


Remote Control Remote control included