ULTIMEA Poseidon M20 Pro 2.1 Soundbar with Built-in Subwoofer

ULTIMEA Poseidon M20 Pro is a compact 2.1-channel soundbar with a built-in subwoofer and app-based sound adjustments. Its optical, AUX, USB and Bluetooth connections offer several ways to connect, but it does not support HDMI, so check that your TV has a compatible output.

At a glance

Built-in 3-inch subwoofer and dual mid-high drivers in an all-in-one soundbar.
App offers 10-band equaliser settings, 121 preset EQ matrices and adjustable bass, midrange and treble.
Six listed sound modes include Movie, Music, Voice, Sport, Game and Night.
Manufacturer states Bluetooth 5.4, optical, AUX and USB connections, plus a SUB OUT for an active subwoofer.
Listed for spaces under 10㎡ / 108 ft².

Price

£43.69Save 27%

Reference price: ~~£59.99~~

Price checked: 12 Nov 2026

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Often bought together

KabelDirekt – Optical Audio TOSLINK Cable – 1m – Soundbar | Digital Optical Audio Cable, Fibre Optic Lead, TOSLINK / SPDIF Cable, for Stereo/Amp/HiFi, Xbox One/PS4 – black

£6.49

Pros and cons

Pros

Built-in subwoofer avoids the need for a separate subwoofer for the stated all-in-one setup.
Bluetooth, optical, AUX and USB inputs accommodate several common source types.
App-based EQ and preset modes provide more sound adjustment than a fixed-profile setup.
Compact dimensions and tabletop or wall-mount options give placement flexibility.

Cons

No HDMI connection is listed, which rules out HDMI ARC or eARC connection based on the supplied details.
A 2.1-channel stereo configuration is not a multichannel surround system.

Technical specifications

16 specifications

Identity and audio
Brand	ULTIMEA
Model	Poseidon M20 Pro
Channels	2.1
Speaker type	Soundbar
Audio output mode	Stereo
Maximum speaker output power	132 Watts
Frequency response	70 Hz
Woofer driver diameter	3 Inches
Audio driver type	Dynamic Driver

Connectivity and controls
Connections listed	Bluetooth, Optical, AUX, USB
Control method listed	App
Wireless technology	Bluetooth

Dimensions and installation
Dimensions (D x W x H)	10.8D x 40W x 7H centimetres
Weight	1.6 Kilograms
Mounting types listed	Tabletop Mount / Wall Mount
Colour	Black

What to know before buying

Listing details to confirm

The listing describes a 2.1-channel soundbar with built-in subwoofer and separately provides an optional SUB OUT for an active subwoofer. It lists stereo output mode, 132 Watts maximum output and a 70 Hz frequency response without further measurement conditions. Bluetooth is identified as a connection, while Bluetooth 5.4 appears in the feature text. Confirm connection needs and whether the stated output and response suit your setup.

What’s in the box

Included

1 x Soundbar
1 x Power adaptor for soundbar (2m)
1 x Stereo 3.5mm to 3.5mm audio cable (1.5m AUX cable)
1 x Digital optical cable (1.5m)
User manual
4 x Wall mount kit
2 x Wall bracket
2 x Mounting screw on speakers

Who is it for?

A good fit for

TV owners seeking a compact soundbar with built-in bass and optical or AUX connectivity.
Small-room users, including the listed target of spaces under 10㎡ / 108 ft².
Listeners who want to switch sound modes or customise EQ through an app.
PC, gaming-console and mobile-device users with a compatible listed connection.

Less suited to

Buyers whose TV setup requires HDMI ARC or eARC.
Those seeking a separate included subwoofer or a surround-channel system.
Buyers who prefer to control the soundbar without an app, as App is the listed control method.

ULTIMEA Poseidon M20 Pro 2.1 Soundbar with Built-in Subwoofer · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 214 ratings

5 stars73%73%
4 stars13%13%
3 stars7%7%
2 stars4%4%
1 star3%3%

Customer feedback highlights sound quality, bass, compact size, connectivity and app controls, with reports of the soundbar working well for films and different listening modes. These impressions align with the listed built-in subwoofer and EQ options, but do not establish performance in every room or with every TV. The aggregate ratings lean positive, while the smaller share of lower ratings means experiences are not uniformly favourable.

Positive themes

Customers report satisfying sound quality and bass.
Customers appreciate the compact size, connectivity and app sound controls.
The supplied feedback mentions appreciation for the included remote and its layout.

Frequently asked questions

Does the Poseidon M20 Pro have HDMI ARC?

No HDMI connection is listed. The stated connections are Bluetooth, optical, AUX and USB, so check that your TV supports one of these.

Does it include a separate subwoofer?

The soundbar is described as having a built-in 3-inch subwoofer. The listing also describes a SUB OUT for connecting an active subwoofer, but a separate subwoofer is not listed in the box contents.

Can its sound be adjusted?

The listing describes app control, 10-band equaliser settings, 121 preset EQ matrices and adjustable bass, midrange and treble. It also lists six sound modes.

Can it be wall-mounted?

The listing gives tabletop and wall mounting as options, and its package list names wall-mount kits, brackets and mounting screws. Check the selected listing for the supplied components.