800-ZZOUNDS (800-996-8637)
When you call, mention priority code 12BF-SPWH
close [x]
  • Mon, Tue, Wed, Thur, Fri 8AM - 10PM (EST)
  • Sat 9AM - 6PM (EST)
  • Sun 1PM - 7PM (EST)
Email Print
 

QSC KW181 Powered Subwoofer (1000 Watts, 1x18")

Reinforce your lows with the QSC KW181 subwoofer. This 18" sub boasts a 1000-watt class-D amplifier and powerful DSP options in a surprisingly small package. (40) Read 26 reviews for this product | Rate and Review This Product
Ships to: Can ship to United States
SPECIAL OFFER!
  • 12 Payments, Zero Interest! Split your order total into 12 easy monthly installments -- and pay zero interest. Just select "12 payments" in your cart.

REBATES

close [x]
zZounds.com 800-ZZOUNDS (800-996-8637)
Click to Enlarge Main
Want to push some serious air? With 1000 watts continuous and 2000 watts peak power handling, the QWC KW181 is a seriously powerful subwoofer. Like its QSC KW series siblings, the powered KW181 boasts a machined birch plywood cabinet, aluminum handles, a strong steel grille, and casters that make it easy to move -- so you can get the dance floor moving faster. Integrated M10 suspension points make the KW181 ideal for flying, while its threaded pole-mount cup provides a wobble-free connection with the included threaded speaker pole.

Learn more with this video from QSC:


KW Stands for Kilowatt: 1000 Watts of Class D Power

As part of QSC's robust KW series, the KW181 sub is a powered, active speaker with 1000 watts of lightweight Class D amplification. This sub's built-in Class D power amp employs QSC's Guardrail limiter to prevent destructive clipping distortion and speaker cone over-excursion, while a virtually silent internal fan turns on when the amp senses high temperatures -- making the KW181 truly robust.

QSC's Intrinsic Correction Processing

To build a subwoofer that performs equally well across the entire sound field, QSC took dozens of measurements and implemented FIR linear phase filters that adjust the speaker's frequency response, helping deliver consistent sound over the entire audience.

DEEP Mode: More Bass, Less Distortion

To get impressive bass output from 1000 watts, the KW181 subwoofer has QSC's proprietary DEEP: Digital Extension and Excursion Processing. Flip the DEEP switch on the back of your sub, and a virtually transparent limiter kicks in to increase the average output of bass frequencies. Much more than just a low-frequency EQ boost, DEEP mode employs sophisticated DSP to detect and correct any brief bass transients that could cause clipping distortion or over-excursion of the 18-inch woofer -- helping the KW181 to safely pump out frequencies as low as 43 Hz, with a maximum SPL of 132 dB.

Features:

- 1000-watt powered subwoofer (2 x 500-watt Class D amplifiers)
- 1000 watts continuous output, 2000 watts peak
- 18-inch woofer
- Includes fixed-length, M20 threaded speaker pole and pole-mounting cup
- Rugged birch plywood enclosure with textured black paint
- Tour-grade 16-gauge protective steel grille
- Ergonomic steel handles
- Quiet casters
- Reverse polarity switch
- 2 combination XLR-1/4" TRS line-level inputs
- DEEP switch for additional bass extension
- Auto-standby mode triggers after 5 minutes of inactivity
- Front LED modes: POWER illuminates when the unit is powered on, OFF disables the LED, and LIMIT mode illuminates when the clip-limiter circuit is engaged.
- Remote gain control ready via the Phoenix-style connector; multiple KW181s are daisy-chainable from a single remote pot zZounds is an authorized dealer of QSC products.
Specifications:
- Configuration: 18-inch subwoofer
- Transducer: 18-inch cone transducer
- Frequency Response (-6 dB): 43 Hz - 97 kHz
- Frequency Range (-10 dB): 39 Hz - 145 Hz
- Maximum SPL (1 meter): 132 dB peak
- Power Output: 1000 W Class D continuous
- Input Impedance (ohms): XLR / 1/4-inch : 38k balanced / 19k unbalanced
- Indicators: Power, Signal, Standby, Limit
- Connectors: Dual balanced female XLR-1/4-inch line level input, Dual Balanced male XLR full range line level out, Remote gain control, Locking IEC power connector
- Cooling: On demand, 50 mm variable speed fan
- Amplifier Protection: Thermal limiting, output overcurrent, overtemperature muting, GuardRail
- Transducer Protection: Thermal limiting, excursion limiting
- AC Power Input: Universal power supply 100 - 240 VAC, 50 - 60 Hz
- Material: 15 mm painted birch plywood
- Finish: Black textured paint
- Grille: Black powder coated 16 gauge steel
- Dimensions (HxWxD): 20.1 x 23.4 x 29.9 inches with casters (510 mm x 595 mm x 761 mm with casters)
- Weight (Net): 83 pounds (37.6 kg)

AC Power Consumption (1/8 Power):
- 100 VAC, 2.3 A
- 120 VAC, 2.01 A
- 230 VAC, 1.13 A

Controls:
- Power
- Gain
- LF Mode (Normal/DEEP)
- Polarity (Normal/Reverse)
- Front LED (On/Off/Limit)
Dimensions and Weight in Packaging
Base Item
Shipping Weight: 117 lbs
Shipping Dimensions: 36 x 29 x 23 in
Rebates QSC Warranty If you have additional warranty questions, please contact the manufacturer at 800-772-2834

Product Description

Building on the success of QSC's K Series, the KW181 represents the next evolutionary step in wood enclosure loudspeakers. QSC system engineers have created the KW181 to feature all the groundbreaking electronic attributes of QSC's popular K Series while at the same time designing a product that is both smaller and significantly lighter than previous wood enclosure models.

Features:

- K Series performance in a lightweight, birch design
- 1000 watt Class D power modules (2 x 500 W)
- Extensive DSP featuring DEEP(tm) and Intrinsic Correction(tm) enhances system performance
- DMT (tm) (Directivity Matched Transition) ensures uniform coverage across the entire sound field
- Rugged, texture-painted birch enclosures
- Tour-grade 16 gauge steel grilles
- Comfortable ergonomic handles

Sophisticated DSP: A Smarter Sub

Extensive signal processing is employed throughout, providing levels of sonic clarity and total output that defy all expectations for a product in this category:
- Intrinsic Correction, first featured in QSC's high-end line array products, maps 65-75 spatially-averaged measurements to IIR and FIR filters that actively adjust time, frequency and amplitude response to a maximally flat bandpass target. The result is a speaker that behaves equally well across the entire sound field.
- DEEP and excursion limiting allow for extended low-frequency response by actively managing low-frequency transients without degradation of the underlying signal or adjacent frequencies.
- GuardRail(tm) protection. first introduced on QSC GX Series amplifiers, protects both the amplifier module and your performance from unnatural and destructive clipping.

Premium-grade Materials

The KW181 is designed to withstand the rigors of professional use. Advanced construction processes, premium-grade Baltic birch cabinetry, ergonomic, cast aluminum handles, low-noise casters and a highly protective steel grille provide for ease of transport and long term durability. Integrated M10 suspension points allow for flown applications with a KW M10 KIT (sold separately) and a threaded pole receptacle provides for a positive, wobble free connection to a threaded speaker pole (included).

Connections and Control

On the rear of the KW181 sub, combo XLR and 1/4" TRS inputs accept line-level input. The DEEP switch can be set to NORM or DEEP(tm) for additional bass extension. The rear panel LED switch can be set to POWER, illuminating the front-mounted LED when the unit is powered on, OFF for applications where it is not desirable to illuminate the front LED, or LIMIT which indicates to the system operator that the clip limiter circuit has been engaged during operation.

Remote Gain Control Ready

Remote gain control capability is offered via a potentiometer (not included) connected to the onboard Phoenix-Style connector. In an installed application, multiple KW181 speakers can be "daisy-chained" for total gain control from a single remote pot. Auto-standby mode is engaged after 5 minutes of inactivity.
Our extended 45-Day 100% Satisfaction Guarantee applies on this product. Buy it, and if it isn't just right for you, return it!
What Our Customers Are Saying About zZounds "It has always been great to find what I'm looking for at a great price at zZounds and the service can't be beat! Thank you, zZounds!" - customer on February 11, 2014
New
$1,399.00
or 12 payments
of $116.59
details
List: $1,749.00
Savings: $350.00 (20%)
In Stock Will Ship Apr 17   Seen it for less?
Ground: $17.99
Used, Warehouse Resealed
$1,259.00
List: $1,749.00
Savings: $490.00 (28%)
Only 1 Left! Will Ship Apr 17
Ground: $17.99
Customer Reviews
4.5 out of 5 (40 ratings) Rate and Review This Product
zZounds has verified that this customer bought this product from us. "Sound filled up Raley Field in Sacramento"
Overall: I am the sound engineer for two local bands. We played at Raley Field in Sacramento and the two KW181's and two KW153's filled up the entire outfield from the stage set up at second base. Many people came up to me and complemented the quality of the sound from so far away. My other band, a Pink Floyd tribute band played at the new outdoor amphitheater in Folsom, CA. The KW181's set off car alarms in a parking lot about 100 feet away and 90 degrees from the stage. I am running the speakers through a DBX DriveRack PX on custom setting because the KW series is no on DBX's preset list. I am constantly complemented on the quality of the sound from these speakers. The covers are a little pricey but are high quality and well worth the price. I have had no warranty issues after 9 months of use. The wheels on the base units are great!
Style of Music: Rock and a Pink Floyd tribute band
12 of 12 people (100%) found this review helpful. Did you?
Thanks for your opinion!
close [x]

Thank you. Your vote has been counted. Could you briefly tell us why the review was or was not helpful?

zZounds has verified that this customer bought this product from us. "Boom Boom Pow!"
Sound: You can feel the bass! I play mostly Top 40, Hip Hop and R&B and the Feature: I wish the handles were turned the other way so that it's easier to lift/load onto my van. Ease of Use: Plug & play. Very user friendly panel. Value: A little pricey but worth it. Manufacturer Support: The sub was only a week old when I used it on my first gig. After one hour, the sub turned off. Needless to say, I was not happy. I called QSC the following day, and they had me bring it in. I needed it for Friday and they repaired the sub in two days! It turned out to be a mad module. The customer service is awesome & no one in the industry can match their warranty. The Wow Factor: Crowd pleaser! The clients and guests were very happy with the sound quality and clairty. Overall: Wow! I was a little hesitant and skeptical when I decided to plunk down $1500 for one speaker. I read reviews and watched as many reviews as possible on YouTube. I currently have the Yamaha DSR112s so I thought the logical choice was to purchase the matching DSR 118s. It's a good thing I checked the KWs out, and I'm so glad I went this route. You will not be disappointed! It did have a rocky start though. The sub was only a week old when I used it on my first gig. After one hour, the sub turned off. Needless to say, I was not happy. I called QSC the following day, and they had me bring it in. I needed it for Friday and they repaired the sub in two days! It turned out to be a bad module. Things happen but I cannot thank QSC enough. The customer service is awesome & no one in the industry can match their warranty. I highly recommend the KW181 and QSC for their outstanding customer service and warranty!
Style of Music: Top 40, Hip Hop, R&B, 80's
2 of 2 people (100%) found this review helpful. Did you?
Thanks for your opinion!
close [x]

Thank you. Your vote has been counted. Could you briefly tell us why the review was or was not helpful?

BizRate Customer Certified (GOLD) Site
Questions? Our gear experts can help!
800-zZounds (800-996-8637)
When you call, mention priority code 12BF-SPWH. Llame Gratis en Español: 800-460-7976
Lunes-Viernes de 9AM a 5PM EST
Customize Search Results for Your Location
Shop with those who respect your privacy — we do. Copyright © 1996-2014, zZounds Music, LLC. Terms of use apply.
X

ALL ACCESS PASS

5 REASONS YOU SHOULD SIGN UP FOR THE ZZOUNDS NEWSLETTER

  • Limited-time payment plan offers
  • Weekly deals
  • Exclusive giveaways
  • Exclusive artist interviews
  • Insider info on your favorite gear
To get your cool stuff, we'll need your address:
close [x]What is this?
A temporary customer reference number is assigned to each customer only while they are shopping on zZounds.com. If you call our customer service department for assistance, this number makes it easier for us to answer any questions you have about products, services or purchases.
 
close [x] Ground Shipment Information Delivery time for in-stock items Typically 3-5 business days from date of shipment.
close [x]Warehouse ResealedThis is typically a customer return. This inventory includes all parts, components, manuals (hard copy or downloadable) and the full factory warranty. However, the packaging may be slightly compromised and thus it is not in absolutely perfect unused condition like our new inventory. This inventory is a great value. *Manufacturer's warranty term for Mackie, PreSonus, Tapco, Crate, Blackheart, Ampeg, Alvarez, X2 Digital, and Line 6 Warehouse Resealed merchandise is 90 days. Avalon, Chauvet, Ibanez, Gibson, and Zoom do not offer a manufacturer's warranty on Warehouse Resealed products.
close [x]Limited InventoryWe only have 1 left. Though our system does indicate availability for this item, there is a chance that the item will not be available. Multiple orders may be placed within a short period before our system can update the availability on our website. If there are any problems shipping this item, you will be notified.
close [x] Ground Shipment Information Delivery time for in-stock items Typically 3-5 business days from date of shipment.
close [x]
1 item added to your cart
View Cart Continue Shopping
close [x]
Please select a product:
Add to Cart
close [x]
Available on
orders $249+
learn more

Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

close [x]
Available on
orders $249+
learn more

Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

close [x]

You don't have to trade service for savings when you shop at zZounds!

We'll beat any price
Really. It's not a problem for us. In fact, we'll thank you for the chance to live up to our lowest price guarantee!
It's fast and easy
Just tell us where you saw the lower price - another website, an email offer, your local store - and we'll send you our lowest price offer in a matter of hours.
Simply click the Seen it for less? link
Next to the item you want, or give us a call at 800-zZounds (800-996-8637).
close [x]

With zZounds you'll never have to worry that you paid too much.

We'll beat any price
Really. It's not a problem for us. In fact, we'll thank you for the chance to live up to our lowest price guarantee!
It's fast and easy
Just tell us where you saw the lower price - another website, an email offer, your local store - and we'll send you our lowest price offer in a matter of hours.
Simply click the Seen it for less? link
Next to the item you want, or give us a call at 800-zZounds (800-996-8637).
close [x]
on most orders $49+

Just $2.99 on
smaller orders

Really heavy stuff might cost you a
little more

learn more

Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

zZounds free shipping is really free!
No hidden charges or hassles on returns.
Fast, reliable delivery
We have warehouses on both coasts, so most shipments arrive in 3 days or less.
We don't collect sales tax. Bonus!
Only NJ residents pay tax during checkout.
close [x]What is this?
A temporary customer reference number is assigned to each customer only while they are shopping on zZounds.com. If you call our customer service department for assistance, this number makes it easier for us to answer any questions you have about products, services or purchases.
close [x]

1. zZounds offers the industry‘s most musician-friendly payment plans

zZounds offers a variety of Play as You Pay installment plans that allow you to get the gear you want today. While our competitors might offer house credit cards that require you to fill out an application and pass a credit check, our payment plans are easy to get, simple to use, and, best of all, accrue zero interest. Unlike those house credit cards that can leave you vulnerable to exorbitant interest charges once the promotional period ends, we never have and never will charge interest when you take advantage of one of the zZounds Play as You Pay plans.

zZounds payment plans details »

2. zZounds guarantees the lowest price

Seen it for less somewhere else? Get it for less at zZounds. Simply click the “Seen it for less?” link on any product page and as long as we‘re not losing money, we‘ll beat any legitimate competitor‘s lowest price, usually within two hours. Want our best price even faster? Call us at 800-zZounds (800-996-8637), and we‘ll provide you with a lower price on the phone. Also, if you purchase from us and later find the product for less elsewhere, call or email us within 45 days, and we‘ll refund you the difference.

zZounds.com price match details »

3. zZounds gets you your gear fast

At zZounds, you‘ll get your gear fast and, usually, with free delivery. Because we have warehouses in New Jersey and Nevada, nearly 75 percent of Americans reside within our two-day shipping zones. Combine this with the fact that many of our best-selling products qualify for free two-day delivery and you get expedited shipping without the additional cost.

zZounds.com shipping details »

4. zZounds makes returns super easy

Buy it, try it, like it, or return it to us for a full refund. It‘s just that simple. If you‘re not in love with what you bought, return it to zZounds within 45 days, and we‘ll promptly arrange for an exchange or a refund. No hassles. No hidden charges. And if a product‘s defective or damaged, call us at 800-zZounds (800-996-8637), and we‘ll email you a prepaid shipping label so you can easily return it to us at zero cost to you.

zZounds.com return details »

5. zZounds delivers top-rated customer service

zZounds has received multiple Bizrate® Circle of Excellence Platinum awards, placing us in the top 0.7 percent of Bizrate‘s network of 5,200 retailers. Our success in meeting the needs of our customers -- since 1996, we‘ve satisfied over 1,000,000 people -- is due in large part to the fact that zZounds only hires experienced musicians to answer your calls and emails, and they are never paid a commission.

zZounds.com customer service »
close [x]
Available on
orders $249+
learn more

Need it now but short of cash? All we need is the first payment up front and the rest in easy monthly payments!

Fast approval.
We approve everyone, with very few exceptions, as long as we can verify your identity.
No interest. Ever.
It's just as if you paid the whole amount up front!
No paperwork. Nothing to track.
No application to mail or fax, no bills to pay. We automatically charge the payments to your credit card.

We'll wait on your money so you don't have to wait for your gear!

When you checkout, just click the Play as you Pay checkbox to indicate which installment plan you wish to use.

close [x]
on most orders $49+

Just $2.99 on
smaller orders

Really heavy stuff might cost you a
little more

learn more

Why fight traffic and pushy salesmen when we'll bring your gear straight to your home, free of charge?

zZounds free shipping is really free!
No hidden charges or hassles on returns.
Fast, reliable delivery
We have warehouses on both coasts, so most shipments arrive in 3 days or less.
We don't collect sales tax. Bonus!
Only NJ residents pay tax during checkout.
close [x]

A guarantee so solid, you never have to worry about price when shopping at zZounds

We'll beat any price
Simply click the Seen it for less? link next to the gear you want or call us at 800-zZounds (800-996-8637)
Got a coupon from another site?
Use it with us - we'll beat those prices, too!
Find a better price after buying from us?
No problem. We'll refund you the difference for 45 days, so you'll never regret buying from zZounds.

You'll still get the trustworthy service you've come to expect from zZounds, without paying more for your gear!