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Overview

Experience cinema-grade sound at home with the ULTIMEA Skywave X70 7.1.4ch Wireless Surround Sound System. Powered by Dolby Atmos and the advanced NEURACORE chip, it delivers precise 3D spatial audio with 4 up-firing drivers, dual wireless surrounds, and a 10" ultra-linear subwoofer reaching as deep as 20Hz. The next-gen GaN amplifier ensures powerful, distortion-free performance, while dual 5GHz wireless and Bluetooth 5.4 provide fast, stable connectivity. With the Ultimea a

ULTIMEA Skywave X70 7.1.4ch Dolby Atmos Wireless Surround Sound System with 10" Subwoofer and 2 Surround Speakers, 980W

Model: U442A
Web Code: 19581835
Sold and shipped by | 4.3 seller rating (334 reviews)

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

What's included:

  • 1 X 10" Subwoofer, 1 X Soundbar (Assembled in three parts), 2 X Surround Speaker1 X Soundbar Power Adaptor, 1 X Subwoofer Power Cord, 2 X Surround Power Adaptor1 X HDMI Cable, 1 X Digital Optical Cable, 1 X Remote Control (Battery not included)12 X Bracket Screw, 6 X Bracket, 6 X Wall Anchors1 X User Manual, 1 X Wall Mounting Guide

Professional-Grade 7.1.4ch

4 up-firing height drivers, 2 wireless rear surrounds, and 10" subwoofer deliver precise Dolby Atmos with expansive, theater-level immersion.

NEURACORE Chip with Dolby Atmos

Triple-core DSP and dual-core MCU (2,000 MIPS) ensures precise signal decoding, accurate spatial rendering, and distortion-free clarity even at reference levels.

10" Subwoofer with Gravus Ultra-Linear Bass Tech

Equipped with an oversized acoustic guide cone and a precisely engineered chamber, the 980W peak subwoofer extends bass down to 20Hz. Delivers clean, deep, and impactful low frequencies without boominess.

Industry-Leading GaN Amplifier

Next-generation Gallium Nitride (GaN) amplifier design offers superior efficiency, lower heat, and ultra-stable output—ensuring cleaner, more powerful, and reliable performance than traditional silicon amplifiers.

Wireless Surround Sound System

With two rear surrounds and 4 up-firing Atmos drivers powers SurroundX™ technology, creating a seamless, three-dimensional 360° sound field with precise spatial accuracy and immersive Dolby Atmos effects.

Product Condition
Brand New
Number Of Channels
7.1.4
HDMI ARC
Yes
Wireless
Yes
Wireless Subwoofer
Yes
Bluetooth Connectivity
Yes
Power Capability
980 Watts
Dolby Atmos
Yes
Colour
Black
Width (Inches)
3.94 in
Height (Inches)
2.76 in
Depth (Inches)
43.3 in
Weight
48.50 kg
Width
23.03 cm
Height
20.59 cm
Depth
20.59 cm

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping on all orders.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
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  • Saskatchewan (Remote)
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  • Yukon
  • Northwest Territories
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*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.