Yamaha NS-SW050 Subwoofer, 50 W

The Yamaha NS-SW050 is a wired, AC-powered subwoofer for home audio, with a Twisted Flare Port and an 8-inch cone driver. Its listing gives a 50-watt output figure, but also includes unrelated or conflicting speaker specifications that should be checked before purchase.

At a glance

The listing describes a New Twisted Flare Port and Advanced YST II processing for low-frequency reproduction.
The manufacturer feature text identifies a 20 cm (8 inch) cone subwoofer.
AC power and wired connectivity suit a fixed home audio setup, rather than a battery-powered or wireless one.

Price

$229.00Save 62%

Reference price: ~~$599.99~~

Price checked: 13 Nov 2026

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Often bought together

Subwoofer RCA Cable, TEKERA 1 Male to 2 Male RCA Cable with Gold-Plated Connectors for Digital Audio or Subwoofer, RCA Y Adap

$10.99

RCA Cables,TEKERA 2RCA Male to 2RCA Male Subwoofer Cables 0.5m 1m 1.8m 3m 5m 10m (1m)

$11.95

Pros and cons

Pros

A dedicated subwoofer with an 8-inch cone and a port design specifically highlighted for low-frequency sound.
Customer feedback reports positive impressions of sound quality, ease of use and connectivity.

Technical specifications

19 specifications

Identity and audio
Brand	YAMAHA
Model	ns sw050
Speaker type	Woofer
Speaker maximum output power	50 Watts
Frequency response	28.2 Hz
Subwoofer diameter	10 Inches
Woofer diameter	7.87 Inches
Audio output mode	Stereo
Number of audio channels	5.1 oder 7.1
Colour	Black

Connectivity and controls
Connection listed	[POSSIBLE] Ethernet
Control method listed	Touch
Connectivity technology	wired

Power and battery
Power configuration	AC
Battery life listed	25 Hours

Dimensions and installation
Mounting type listed	Tabletop
Weight	8.5 Kilograms
Dimensions (D × W × H)	29.1D x 34.1W x 29.2H centimetres

Materials and protection
Water resistance	Not Water Resistant

What to know before buying

Listing details to confirm

Several listing fields appear mismatched or contradictory: the model is identified as a subwoofer, yet details also describe a 10-inch subwoofer diameter, a 7.87-inch woofer, stereo output, a 1-inch tweeter, Ethernet, touch or app control, a 25-hour battery, and 5.1 or 7.1 channels. The feature text instead specifies a 20 cm (8 inch) cone, dynamic power of 100 W and output power of 50 W under stated conditions. Confirm the selected model's driver, connection and output specifications. The battery and wireless-control claims are not consistent with the listed AC-powered wired configuration.

Who is it for?

A good fit for

Home audio buyers seeking a wired, AC-powered subwoofer and willing to verify the connection and driver details for this listing.
Buyers interested in the advertised Twisted Flare Port and Advanced YST II features for a home theatre or music setup.

Less suited to

Buyers who need a confirmed wireless, battery-powered or water-resistant subwoofer.
Buyers who require a clearly specified driver size, connection type or channel configuration without checking the selected listing.

Yamaha NS-SW050 Subwoofer, 50 W · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 95 ratings

5 stars78%78%
4 stars16%16%
3 stars4%4%
2 stars0%0%
1 star2%2%

Customer feedback is favourable about sound quality, ease of use, reliability, value and connectivity, including a report that sound carries into nearby rooms and that the unit paired easily with a sound bar. Those impressions may matter to home audio buyers, but they do not resolve the listing's unclear driver and connection details. Aggregate ratings are mostly in the higher star categories, with some lower ratings, and do not establish what caused them.

Positive themes

Customer feedback praises sound quality, value, reliability, ease of use and connectivity.

Frequently asked questions

Is the NS-SW050 wireless?

The listing identifies wired connectivity and AC power. Its separate Ethernet claim is marked possible and conflicts with other details, so verify the connection type for the selected listing.

What driver size does the listing give?

The manufacturer feature text calls it a 20 cm (8 inch) cone subwoofer. Other listing fields give different diameter figures, so confirm the driver specification before buying.

Does the listing confirm a battery?

No clear battery-powered configuration is established. Although a 25-hour battery life is listed, the power configuration is AC and the connection is described as wired.