Noise issues?

If the noise sounds from the soundbar:

1. Please make sure the TV sound output is correct: Settings-Sound-Digital Audio Output -PCM

2. It is recommended to use MUSIC mode; Control the volume within 27;
3. Change to another sound source;
4. Try and compare other connection methods: HDMI ARC>Optical>Bluetooth.
5. Replace a better HDMI cable connecting the TV and Soundbar

If the noise sounds from the Subwoofer or Rear speakers/surround speakers:

1. Re-plug the subwoofer power cord and complete the pairing
2. Replace a better RCA cable connecting the rear speakers
3. Please update the software to the latest (refer to Poseidon D50 customized software information)

If this issue persists, please contact Ultimea customer support at support@ultimea.com for further assistance. Please make sure to mention that you have tried the steps in the FAQ so that our agents do not ask you to repeat these steps.