Yamaha NS-SW300 10" 250W Subwoofer-Refurb
SKU: 73204907917

Yamaha NS-SW300 10" 250W Subwoofer-Refurb

$198.00 $220.00
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Description

Yamaha NS-SW300 10" 250W Subwoofer-RefurbTHIS IS A REFURBISHED MODEL. 12 MONTH WARRANTY APPLIES, ITEM MAY NOT COME IN ORIGINAL BOX PACKAGING Yamaha NS SW300 10" 250W Subwoofer Matte Black Finish Presenting Yamaha's entirely new and gorgeously advanced new subwoofer. Apart from the aesthetics this subwoofer offers, it has a clear bass sound created by the Twisted Flare Port, a new Yamaha technology. Superior convenience permits stress free operation using the front buttons, which are arranged

THIS IS A REFURBISHED MODEL.

12 MONTH WARRANTY APPLIES, ITEM MAY NOT COME IN ORIGINAL BOX/PACKAGING

Yamaha NS-SW300 10" 250W Subwoofer

Matte Black Finish

Presenting Yamaha's entirely new and gorgeously advanced new subwoofer. Apart from the aesthetics this subwoofer offers, it has a clear bass sound created by the Twisted Flare Port, a new Yamaha technology. Superior convenience permits stress-free operation using the front buttons, which are arranged in a diagonal format.

Key Features

  • • PWM digital drive high efficiency amplifier and dual feedback circuit
  • • New Twisted Flare Port contributes to clear and tight bass
  • • Advanced YST II (Yamaha Active Servo Technology II)
  • • 10" woofer with square wire voice coil
  • • Beautiful design will match a wide range of speakers and interiors
  • • Control panel located at front
  • • System control and automatic standby
  • • Low standby power consumption of 0.3W
  • • Auto standby switch / sensitivity selector (high, low and off)
  • • B.A.S.S (Bass Action Selector System) switch

Advanced YST

Advanced Yamaha Active Servo Technology (Advanced YST) is a unique system in which the speaker and amplifier work together to cancel out impedance so the speaker unit has a perfectly linear motion. Advanced YST helps to ensure the highest levels of sound pressure and overall performance.

New Twisted Flare Port Produces Clear and Tight Bass

The all-new Twisted Flare Port takes advantage of extensive subwoofer development experience. The flared, gently twisting shape diffuses the vortex of air generated around the edge of the port, creating a smooth flow of air. This reduces extraneous noise not present in the original input signal and provides clear, accurate low frequency reproduction. From special effect sounds in movies to the atmosphere of a live venue, you hear bass that is clear, tight and realistic.

PWM Digital Drive High Efficiency Amplifier and Dual Feedback Circuit

The built-in power amplifier delivers stable power output of 250 W with high efficiency while minimizing power consumption and heat production. It does not require an output filter coil, resulting in extremely low noise and distortion. High speed transient response is also excellent. The dual feedback circuit reduces distortion by applying feedback twice, resulting in higher sound clarity.

Advanced YST II for Awesome Deep Bass

Developed by Yamaha, the Advanced YST II (Yamaha Active Servo Technology II) combines negative-impedance and constant-current principles to drive the speaker cone with even tighter control than the previous version. Using Advanced Negative Impedance Converter (ANIC) circuits, this system dynamically optimizes effective speaker impedance to maintain excellent linearity. This means more stable and accurate low range response, not to mention higher sound quality.

25 cm (10") Cone Woofer Unit with Square Wire

A 25 cm (10") large woofer unit is used in a front-firing configuration. The voice coil of the driver unit employs square wire with a wide surface area that can be wound more densely to obtain higher magnetic flux density. It delivers high drive force, permitting tight and deep bass reproduction.

Beautiful Design that Will Match a Wide Range of Speakers and Interiors

In addition to the beautifully round shape of the front surface, panels on both sides to create an accent, and a neat appearance, this subwoofer lets you imagine the strength of sound and matches a wide range of speaker systems. Numerous color variations are provided, so you can select one matched to your interior.

Front Control Panel for Easy Operation

The power and volume buttons, which are used most often, are laid out on the front surface of the unit for ease of access. It is inclined at an angle of 45°, making it easy to use even when placed on the floor. An LED indicator is above the power button, so even in a dimly lit room it's easy to tell if it's on or off.

System Control and Auto Standby

The system control terminal can be linked to the amplifier power to automatically turn the power on and off. There is also an Auto Standby Function: If no signal is input from the amplifier for a fixed period, it automatically switches to the standby state, and when a signal from the amplifier is detected, power turns on automatically. This limits the wasteful consumption of electricity.

Other Notable Features

  • • Low standby power consumption of 0.3W
  • • Auto Standby switch / Sensitivity selector (high, low and off)
  • • Phase control (normal or reverse)
  • • B.A.S.S. switch

Technical Specifications

General Specifications

Type Advanced YST II (Yamaha Active Servo Technology II)
Driver 25 cm (10") cone woofer
Frequency Response 20 Hz - 160 Hz
Output Power 250 W (100 Hz, 5 ohms, 10% THD)
Power Consumption 80 W
Standby Power Consumption 0.3 W
Dimensions (W x H x D) 350 × 366 × 420 mm (13-3/4" × 14-3/8" × 16-1/2")

What's in the Box

  • Yamaha NS-SW300 Subwoofer
  • Power Cable
  • System Control Cable
  • Owner's Manual
  • Warranty Card
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73204907917

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4.6 ★★★★★
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R
Ryan Y.
Natrona Heights, US
★★★★★ 5
Heavy-Duty Solution for Large Towers — Rock Solid
This CPU holder is exactly what I needed to reclaim my desktop workspace. I wanted to get the computer off the desk to clear up room for projects, but I didn't want to put it on the floor where it’s susceptible to static and pet hair. This mount keeps the tower tucked away under the desk but still within easy reach. Build Quality & Weight: The unit is impressively well-built with sturdy steel. While the specs state it can hold up to 44 lbs, my current build is closer to 20 lbs, and it handles it with zero flex or wobble. It feels very secure once locked in. Design & Airflow: One of the best benefits I’ve noticed is the noise reduction. Having the case mounted under the desk surface helps shield the sound of the fans, creating a quieter workspace. The open-frame design is also great for airflow and keeps all the ports easily accessible. It’s highly adjustable (width 7.7” to 11.8” and height 20” to 25.8”), so it should fit almost any full-size case. Installation Tip: Installation was straightforward, though I’d recommend measuring your desk thickness first to ensure it can support the weight. If you’re looking for a solid, full-size PC holder to keep your system off the floor, this is a great choice. It feels like a professional-grade mount that will last through several different builds.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
R
Richard
Fort Morgan, US
★★★★★ 4
Great way to keep your PC off the floor, especially with a standing desk
This mount is a great solution if you want to get your desktop tower off the floor and clean up the space around your desk. The construction feels very solid and once installed it holds the PC securely without any wobble. I like that the frame is adjustable so it can fit different case sizes, and the open design allows for good airflow while still supporting the case well. It is especially helpful if you have a standing desk. Keeping the tower mounted under the desk means all of the cables move with the desk when it raises or lowers, which makes everything much cleaner and easier to manage. Installation takes a little planning to line things up correctly, but once it is mounted it feels very secure. If you want a cleaner workspace and a better setup for a standing desk, this mount works really well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
V
Viner369
Cuba, US
★★★★★ 5
Built Like a Tank… Maybe Too Big
This thing is solid. The build quality is exactly what you want when you’re hanging a PC under a desk—sturdy steel, secure mounting, and plenty of adjustability to fit larger cases. It definitely does its job of getting your tower off the floor and out of the way. That said, size matters here—and this is built for big cases. If your setup is more compact, it is overkill. Definitely measure before you commit, because while the adjustability is nice, it’s clearly designed with larger towers in mind. Pros: Very sturdy, confidence-inspiring build Adjustable to fit a wide range of larger PC cases Keeps PC off the floor (less dust, more space) Can mount under desk or on wall Cons: Oversized for smaller or mid-sized builds Requires careful measuring before install Bulkier than some alternative mounts Bottom Line: A heavy-duty mount that does exactly what it promises—just make sure your PC actually needs something this big before you commit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
J
Justin P.
Boise, US
★★★★★ 5
My god
Build Quality The steel construction is very solid and feels durable enough to support a desktop tower or similar device. The powder-coated finish also helps protect against scratches. Comfort / Ergonomics Mounting a PC under the desk helps free up floor space and improves overall desk organization. It also keeps the computer elevated away from dust and improves airflow. Features The adjustable frame allows it to fit a variety of PC sizes, which makes it versatile. The mounting brackets feel strong and secure once installed. Ease of Use / Installation Installation requires basic tools but is fairly simple. Once mounted, the adjustable brackets make it easy to secure the computer in place. Cleaning / Maintenance Keeping the PC off the floor makes cleaning around your desk easier and helps reduce dust buildup in the computer itself. Overall Impression This mount is a great solution for anyone wanting a cleaner desk setup. It’s sturdy, adjustable, and keeps your computer safely mounted under the desk. Excellent for improving workspace organization.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
J
Ja
Houston, US
★★★★★ 5
Rock Solid and Computer / Wall Safe! Last PC Mount you'll ever need.
This is the hardware that you want in your office: robust, no-nonsense, and able to boss you around its workload. I installed a full size PC case/server in it, and it is rock solid once you lock it in. The open-frame design also merits a mention here as it greatly improves airflow and allows you to access ports on the motherboards and other hardware on your rig should you want to during your gaming sessions without bringing too much heat inside and causing headaches. The width of the holder can be adjusted (approximately 7.7” through 11.8”) in width and (approximately 20” through 25.8”) in height so it fits a large variety of towers, so you don't have to worry whether it could fit your set-up or not. Smaller towers may have substantially more wiggle room though. The mount's weight limit is no joke—up to 44 lbs—so you're not sacrificing stability just to save a few bucks. The shells are quite secure, although some people may have wished for a little more tightening bite; they still prevent your equipment from falling off if you accidentally bump on a wall, which is more important than you may think. A little nitpick: the lower wall-mount bracket could have a couple of extra pilot holes to reduce twisting over time. Not a breaker, just a heads-up for all of you who are looking to the long term. Altogether, it's a reliable, solid fix that is well worth the cost, particularly if you're cramming space and airflow in a tight configuration.
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Reviewed in the United States on December 27, 2025

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