Departments > Pro Audio & Recording > Subwoofers > Powered Subwoofers > Yorkville Sound > NX18SP NX 18'' Powered Subwoofer - 2400 Watt

Yorkville Sound NX18SP NX 18'' Powered Subwoofer - 2400 Watt

SKU: # 809088   |   Model: # NX18SP   |    Product Reviews1 Reviews  Write a Review
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NX18SP NX 18\'\' Powered Subwoofer - 2400 Watt

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NX18SP NX 18\'\' Powered Subwoofer - 2400 Watt
NX18SP NX 18\'\' Powered Subwoofer - 2400 Watt
NX18SP NX 18\'\' Powered Subwoofer - 2400 Watt

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YouTube Video NX18SP – 18” Powered Subwoofer
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Description


NX loudspeakers have a history of traditional analog design and a reputation for road-tested reliability. The new NX18SP is the first 18" subwoofer in the series' two-decade tenure. It was designed to be the perfect match for the latest generation of NX speakers. Yorkville suggests using one with a pair of NX8Ps, or two with a pair of NX12Ps for maximum sound reinforcement. As with all Yorkville Sound subwoofers, the NX18SP can be used to enhance any full-range system.

The NX18SP features 2400 watts of peak output and three selectable voicing modes for rich, powerful bass in a compact, affordable enclosure. NX speakers have been trusted on stages around the world for over 20 years, and the NX18SP is ready to inspire a new generation of performers.

Features

• 2400 W Peak (1200 W Program)
• 18" Woofer with 3" Voice Coil
• 2x Combi-Jack (XLR / 1/4") Inputs
• 2x XLR Link Outputs
• Punch, Smooth, and Deep Voicing Modes

Specifications

- System Type: Bass Reflex Powered Subwoofer
- Power Rating: 2400 W Peak (1200 W Program)
- Max SPL: 134 dB Peak
- Frequency Response (Hz +/- 3 dB): 35 Hz - 100 Hz
- LF Driver(s): 18" with 4" Voice Coil
- LF Amplifier Type: Class D
- Cooling Scheme: Variable Speed Controlled Fan
- In / Out Connections: 2x XLR Link Outputs
- Inputs: 2x Combi-Jack (XLR / 1/4")
- Level Controls: Master - Sub Level
- EQ Controls: Punch, Smooth, and Deep Voicing Modes
- Bar Handles: 2 (1x Each Side)
- Pole Mount Adapter (1 3/8" , 3.5 cm): 1 (Top)
- Enclosure Materials: 15 mm Birch
- Covering / Finish: Paint
- Dimensions (DWH): 26.6 x 20.5 x 24.8" (67.6 x 52.1 x 63 cm)
- Weight: 104 lbs (47.25 kg)

Specs


Battery Operated: No
Bluetooth Streaming: No
Built-in Mixer: No
Cab Impedance: Info Unavailable
Country of Origin: China
Cover/Bag: Purchased Separately
Drivers: LF - 18" x1
Frequency Response: 35 - 100 Hz +/-3 dB
Line-Speaker Switch: No
Power-Continous/Peak: 1,200 / 2,400 - Watts
Sensitivity: Info Unavailable
Type: Powered
Weight: 110 lbs / 50 kg

Media


NX18SP – 18” Powered SubwooferWatch Video

Q & A


Question: How many amps would be needed in a circuit to power this? When will it blow a breaker?
- asked on Nov 27, 2025
Answer: On it's own this will run just fine on a 15 amp circuit, but if you are running other units on the same circuit, 30 amps would be recommended.

In a performance situation, 30 amps would be recommended.

- answered by Bradford Pettigrew, Grande Prairie, Alberta
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Question: Where can I buy the Cover and Castors? It says sold separately, but I can't find anything.
- asked on Feb 9, 2026
Answer: There isn't anything available for this model yet.
- answered by Ron Elliott, Renfrew, Ontario
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Reviews


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Holy bass.....

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Features  
Quality  
Value  
Overall  
Product Experience   I own it
Closest Store   Stratford, Ontario
This is an amazing Sub for the price, and the bass is very impressive! I rarely push it past half power live. Never had any breaker issues with it, and running the rest of the PA on a single 15A. The low end is very impressive, be careful, though, I had it playing music for a test when I bought it, and at hallf power in my basement shook my uncle's plant off the shelf upstairs! I love it to death; the only complaint I have is that there is no cover, because the material on the outside scratches and scuffs easily. Also, make sure you know thats its 104 pounds, I was shocked picking it up for the first time. I use it for my business for renting out sound to small bands and DJ myself in southern Ontario. It's called Alex Amplified AV. Send an email to [email protected] for questions! Shout out to Jackson Kelly at L&M Stratford (He is amazing)!
Posted by Alex Meadows on Feb 11, 2026
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Rental rates


This product is normally available for rental. Please contact your preferred location for further information.

1 Day from $22.00

1 Week $44.00

1 Month $88.00

Performance Warranty Banner

Protect your investment with the Long & McQuade Performance Warranty

A warranty can be a very important factor when making a buying decision. Because repairs can be very expensive in terms of parts and labour costs, manufacturers usually only provide one year limited warranties that generally only cover items that malfunction due to a manufacturer’s defect. With an important purchase such as a musical
instrument or piece of studio gear, however, many people want to have the peace of mind in knowing that their investment will be protected should the product no longer be performing at 100%.

Because of this, Long & McQuade provides our customers with a FREE one-year Performance Warranty on most of our products. The Long & McQuade Performance Warranty supplements the manufacturer’s warranty to ensure that our customers receive complete “no hassle” warranty coverage within their first year.

How does the Long & McQuade Performance Warranty differ from most manufacturers' warranties?
  • Performance Guarantee: Normal wear and tear is covered, so your product will be performing as well as the day you purchased it for the entire duration of the coverage. Band and Orchestral Performance Warranty does not include replacing pads or cleaning for woodwind instruments, unless deemed necessary by our repair staff. Ultrasonic cleaning for brass instruments will be provided if deemed necessary by our repair staff, but is not routinely offered under the Performance Warranty.
  • Product Replacement: If your product cannot be fixed or costs too much to fix, we will replace it with the equivalent model for no additional charge. If this is not possible, a full refund will be provided.
  • No Lemon Policy: Your product will be replaced should the same problem occur multiple times.
  • Convenient: Easy drop off and pick up of the product at any Long & McQuade location.
  • Guitar Setup: Guitars purchased at Long & McQuade come with 1 free setup, to be redeemed within 1 year for new guitars and 90 days for used guitars.
  • Loaners Available: A loaner product may be given while the product is being repaired.
  • Power Surge Protection: Your product is covered even if damaged from a power surge.
  • Accessory Coverage: Any peripheral devices or accessories that come with your product (i.e. foot pedal, case) are also covered.
  • Commercial Use Coverage: Music and recording professionals who purchase gear for “heavy-use” commercial purposes will still be covered.
 

Long & McQuade reserves the right to restrict the purchase of additional years of Performance Warranty. Used products come with a 3-month Long & McQuade Performance Warranty. Some products (i.e. computers, software, cymbals and other items) are covered only by the manufacturer‘s warranty. Consumables (i.e. strings, reeds, drum sticks, batteries, tubes, cross faders) are excluded as they are designed to be replaced. Cosmetic Damage, Accidental Damage, or problems caused by Humidity or Temperature Issues are not covered. Speakers damaged by overpowering are generally not covered. Our coverage does not provide compensation for loss of use. As of June 2018 the Performance Warranty is no longer transferable. The warranty is only valid in Canada.

Purchasing additional years of coverage

Some manufacturers provide warranties for longer than 1 year; however, these are usually limited warranties that do not provide the same coverage as the Long & McQuade Performance Warranty. Customers interested in more complete and convenient (but not necessarily longer) coverage are still able to purchase additional years of the Performance Warranty.

If you are interested in receiving this coverage for longer than one year, you have the option of purchasing additional years of the Performance Warranty. The pricing is as follows:

  • NEW products: Starting at 4% of the current new selling price to double the warranty from 1 year to 2 years. Starting at 4% for each additional year.
  • USED products: Starting at 4% of the current new selling price to increase the warranty from 3 months to 1 year. Starting at 4% for each additional year.
  • GUITARS: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year. $45 maximum. An additional free setup is not included with additional purchased years of Performance Warranty.
  • BAND and ORCHESTRAL instruments: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year.