Support for Heston Sub 200
Released in 2025, Heston Sub 200 is a subwoofer with powerful and precise bass performance, and wireless Bluetooth LE-audio.
Guides

Getting started
Get started with your Heston Sub 200 quickly and easily with this comprehensive guide.
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Connecting Wirelessly
Heston Sub 200 can be wirelessly connected to a Marshall Heston soundbar.
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Connecting via RCA
Connect to any soundbar with a subwoofer line level output using an RCA cable.
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Adjusting the subwoofer sound
Learn how to invert the phase, adjust cutoff frequency and volume.
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Child lock
Child lock is a safety feature that prevents the user from accidentally increasing the volume.
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Standby mode
Understand how the standby mode works and how it reduces power consumption.
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Cleaning Heston Sub 200
Clean your TV subwoofer regularly to keep it fresh and last longer.
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Factory reset
Perform a factory reset to return Heston Sub 200 to its original settings.
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Troubleshooting
Common questions
TECH SPECS
Dimensions
282 x 282 x 302.5 mm 11.1 x 11.1 x 11.9 in
Weight
7620 g 16.81 lb