Adjusting the subwoofer sound

Short answer

The Marshall app lets you invert the phase, adjust Cutoff frequency, and volume of the subwoofer. Heston Sub 200 has a physical level knob for quick access.

The back panel on the Marshall Sub 200 TV Subwoofer.

The Marshall app lets you invert the phase, adjust Cutoff frequency, and volume of the subwoofer. Heston Sub 200 has a physical level knob for quick access.

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Troubleshooting: Heston Sub 200 sound dull/weird/bad

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Troubleshooting: Erratic behaviour

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