Does the Poseidon D80 Boom need an AV receiver?

No. The bar, subwoofer and rear speakers connect to each other, so no receiver is needed. You plug sources into the bar or send audio over HDMI or optical.

Is the subwoofer truly wireless?

The subwoofer receives its signal wirelessly, but it still needs its own power outlet. Place it near a socket within range of the bar.

Does it support Dolby Atmos?

Yes, it decodes Dolby Atmos and uses its speaker array to create height and surround effects. The effect is simulated rather than from ceiling-mounted speakers.

Can I control it from my phone?

Yes, there is an app for EQ and input control. Owners describe it as functional but less polished than apps from larger brands.

How does it compare with a Sonos or Samsung Atmos bar?

It offers more physical speakers and a separate sub for the layout, but premium bars add room calibration and tighter app and streaming integration. Choose this for speaker count, those for refinement.

The package includes the soundbar, wireless subwoofer, rear speakers, remote and cabling. Check the listing for the exact cable and mounting contents.