Name: Yamaha NS-SW050 8" Powered Subwoofer Matte Black
Brand: Yamaha
Price: 299.0 AUD
Availability: InStock
Rating: 4.8 (18 reviews)

Yamaha NS-SW050 8" Powered Subwoofer Matte Black

4.8

Rated 4.8 out of 5 stars

18 Reviews

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A compact powered subwoofer from Yamaha with an 8-inch cone woofer, Twisted Flare Port and Advanced YST II. Yamaha lists a frequency response of 28 to 200 Hz and 100 W dynamic power into 5 ohms.

Yamaha says the NS-SW050 combines its Twisted Flare Port and Advanced YST II (Yamaha Active Servo Technology II) with discrete amp circuitry and a high-quality 8-inch woofer. It has a matte black finish and gentle curves.

Driver

8-inch cone

Dynamic power

100 W (5 ohms)

Output power

50 W (100 Hz, 5 ohms, 10% THD)

Frequency response

28 to 200 Hz

Technology

Advanced YST II, Twisted Flare Port

Weight

18.7 lbs (about 8.5 kg)

Yamaha on the Twisted Flare Port

Why you will love it

Twisted Flare Port

Yamaha says the gently twisting flared shape of the port creates a smooth flow of air around the edge of the port, compared with the turbulent flow around a conventional port.

Yamaha says this reduces extraneous noise and gives clear, tight low frequency reproduction.

Yamaha NS-SW050 compact powered subwoofer

Advanced YST II

Yamaha says Advanced YST II combines negative-impedance and constant-current principles to drive the speaker cone with tighter control than the previous version.

It uses Advanced Negative Impedance Converter (ANIC) circuits, which Yamaha says dynamically optimise effective speaker impedance to keep the response linear.

A form made to blend in

Yamaha describes the NS-SW050 as gently rounded with a slanted front surface, designed to be unobtrusive in a living room or home theatre room.

Is it right for you?

A great fit if you…

Want to add bass to a stereo or home theatre system in a small to medium room
Have an AV receiver or amplifier with a subwoofer output
Want a compact subwoofer in matte black

Worth knowing

Yamaha lists its dimensions as 11-1/2 x 11-1/2 x 13-3/8 inches (W x H x D), about 292 x 292 x 340 mm, so check your space
It is a powered subwoofer and needs a subwoofer output or line connection from your receiver or amplifier

Build your system

The NS-SW050 adds bass to speakers you already have.

Larger Yamaha subwoofer: For a 10-inch woofer see the Yamaha NS-SW100 subwoofer.
Receiver: Connect it to an AV receiver or stereo amplifier with a subwoofer output.
Speakers: Pair it with bookshelf speakers or floor-standing speakers.
More bass: Browse subwoofers.

Specifications

Subwoofer

Driver	8-inch cone
Dynamic power	100 W (5 ohms)
Output power	50 W (100 Hz, 5 ohms, 10% THD)
Frequency response	28 to 200 Hz
Advanced YST	Yes
Twisted Flare Port	Yes

General

Dimensions (W x H x D)	11-1/2 x 11-1/2 x 13-3/8 inches (about 292 x 292 x 340 mm)
Weight	18.7 lbs (about 8.5 kg)
Finish	Matte black

Specifications from Yamaha USA's NS-SW050 specification page, checked November 2026. Metric figures are converted from Yamaha's inch and pound values.

Questions people ask

What size is the woofer?

Yamaha lists an 8-inch cone woofer.

What is the frequency response?

Yamaha lists 28 to 200 Hz.

What is Twisted Flare Port?

Yamaha says the twisting flared port shape smooths air flow at the port edge to reduce noise and give clear, tight bass.

What is Advanced YST II?

Yamaha says it combines negative-impedance and constant-current principles to control the cone more tightly than the earlier version.

4.8

Rated 4.8 out of 5 stars

Based on 18 reviews

94%would recommend this product

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18 reviews

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S
STEVEN
I recommend this product
Rated 5 out of 5 stars
6 months ago
RX-V4A YAMAHA TSR-400
WHEN THE SYSTEM IS CONNECTED TO THE TV AS YOUR COMPUTER MIGHT BE CONNECTED TO THE SMART TV AS WELL. IT PICKS UP YOUR COMPUTER BY HDMI OUT AS THE HDMI OUT IS ARC AND eARC COMPATIBLE.
THE MORAL OF THE STORY IS THAT I HAVE A 100 WATT AND 100 WAT DIGITAL SOUND CARD AND GRAPHICS CARD WHICH IS HIGHER WATTAGE THAN MY 80 WATT SYSTEM AS I HAVE MY COMPUTER GOING THROUGH MY SYTEM AND THROUGH MY 110 WATT SPEAKERS. THE WATTAGE OF MY SOUND CARD AND GRAPHICS CARD I ASSUME IT HAS TO BE HIGHER THAN THE WATTAGE OF MY 80 WATT SYSTE. THERE IS ALWAYS A CHANCE YOU MIGHT BLOW YOUR COMPUTER SO ALWAYS SAFETY.
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SH
Steven H.
Verified Reviewer
I recommend this product
Rated 5 out of 5 stars
6 months ago
RX-V4A YAMAHA TSR-400
I AM VERY HAPPY WITH THIS SYSTEM. IT IS CONNECTED BY HDMI OUT AND HDMI IN THE SYSTEM THE CENNECTIVITY IS THE OPTICAL TO THE DIGITAL TV. IT HAS PICKED UP MY COMPUTER BY HDMI CONNECTION TO THE TV AND HAS PICKED UP THE COMPUTER AND I HAVE VOLUME THROUGH THE SPEAKERS CONNECTED TO MY SYSTEM. THE HDMI OUT HAS ARC AND eARC COMPATIBLE.
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RO
Robert O.
Verified Buyer
I recommend this product
Rated 4 out of 5 stars
1 year ago
Great value: fit for purpose
Good little sub for near-field, desktop or bedroom setups. Was worried, there’s no crossover dial, but seems to have a preset at around 120hz which is fine for smaller bookshelf setups. Great value sub for small surround or stereo setups.
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DR
Det R.
Verified Buyer
Rated 3 out of 5 stars
1 month ago
Subwoofer NS-SW050 8"
Not as good as expected, but does the job in a small room
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GP
Glen P.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 month ago
Great sub for the money.
I recently decided to upgrade my system and chose this sub with a little help from AI. It is neat & clean looking and looks good. The sound is crisp and clean and has really added ‘weight’ to the sound in my home. It is basically plug&play straight out of the box and simple to set up. It is so worth the money asked for it and I recommend it and Todd’s HiFi who supplied it.
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