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pandoria.tech/Audio/Ultimea Poseidon D70: A 7.1 Sound System for Home Cinema
Audio

3 min read

Ultimea Poseidon D70: A 7.1 Sound System for Home Cinema

Sep 4, 2026, 01:38 AM
Ultimea Poseidon D70

The Ultimea Poseidon D70 is a 7.1-channel sound system with a peak power output of 410 W. It comprises a soundbar, a subwoofer and four separate surround speakers, which connect to the subwoofer by cable.

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The Ultimea Poseidon D70 is a 7.1-channel sound system with a peak power output of 410 W. It comprises a soundbar, a subwoofer and four separate surround speakers, which connect to the subwoofer by cable.

Configuration and power

The system distributes sound between the soundbar, subwoofer and surround speakers. For films, this allows surround effects to be reproduced beyond the soundbar beneath the TV. The subwoofer handles the bass frequencies.

The stated 410 W is peak power, not continuous power. That figure alone cannot tell you how loud the system will sound or how well it will perform in a particular room.

Drivers and frequency range

The soundbar uses three 2.25-inch drivers, while the four surround satellites have four 2.25-inch drivers between them. The subwoofer has a 6.5-inch driver. The system’s stated frequency range is 35 Hz to 18 kHz, covering low bass frequencies through to high tones.

These specifications describe the system’s construction and range, but do not guarantee a particular sound quality. The room, speaker placement and sound settings will also affect the result.

Dimensions and placement

The soundbar measures 400 × 70 × 90 mm and the subwoofer measures 185 × 288 × 260 mm. The complete system weighs 7.8 kg. Before installation, check the space beneath your TV as well as the available room for the subwoofer and four satellites.

The surround speakers are wired to the subwoofer. You will need to account for cables running between the subwoofer and satellites when planning their placement, so their positions are not entirely flexible.

Connecting a TV and other devices

The Poseidon D70 supports HDMI ARC, optical input, AUX, USB and Bluetooth 5.3. HDMI ARC can be used to connect a compatible TV, while optical and AUX provide other wired options. Bluetooth allows wireless playback from a compatible device.

Before connecting the system, check which outputs your TV or other audio source provides. For HDMI ARC, also check that the relevant port on the TV supports it.

Equalizer and surround settings

The system offers up to 121 preset EQ matrices, a 10-band equalizer in the app and surround-effect adjustment in 13 steps. These settings let users adjust the sound to their preferences and room conditions.

The Ultimea Poseidon D70 may appeal to those looking for a multi-component TV sound system with sound-adjustment options. Buyers should, however, allow space for each component and plan for the surround satellites’ wired connections.

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