Denon AVR-X2800H - No sound is produced from subwoofer.

No sound is produced from subwoofer.
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Check the subwoofer connections.
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Turn on the subwoofer’s power.
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Set “Speaker Configuration” – “Subwoofer” on the menu to “Yes”. (v p. 207)
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When “Speaker Configuration” - “Front” in the menu is set to “Large”, depending on the input signal and the sound mode, no sound may be output from
the subwoofer. (v p. 207)
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When no subwoofer audio signal (LFE) is included in the input signals, no sound may be output from the subwoofer. (v p. 213)
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You can make the subwoofer always output sound by setting the “Subwoofer Output” to “LFE + Main”. (v p. 213)
DTS sound is not output.
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Check that the digital audio output setting on the connected device is set to “DTS”.
Dolby Atmos, Dolby TrueHD, DTS-HD, Dolby Digital Plus audio is not output.
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Make HDMI connections. (v p. 54)
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Check the digital audio output setting on the connected device. On some devices, “PCM” is set by default.
DTS Neural:X mode cannot be selected.
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DTS Neural:X cannot be selected when using the headphones.
Dolby Surround mode cannot be selected.
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Dolby Surround cannot be selected when using the headphones.
Sound modes other than “Stereo” or “Direct” cannot be selected.
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Only “Stereo” or “Direct” can be selected for the sound mode if Headphone:X signals are input.
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Connections Playback Settings Tips Appendix
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Front panel Display Rear panel Remote Index