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QSC Audio KS112 12" Compact Active Subwoofer

Powered by 2000W Class D Amp Module




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SKU: KS112

    Product Description

    Register this product within 30 days of purchase, and you can extend its standard 3 Year Warranty to 6 Years! Click here to register.

    The KS112 is the perfect choice for anyone needing high output, low-frequency extension in a highly compact, lightweight, and portable package. Powered by a 2000 watt class D amplifier module, KS112 features a single 12-inch transducer in a 6th order bandpass premium birch cabinet. On-board DSP provides variable crossover and saveable/recallable Scenes for commonly-used applications while Intrinsic Correction™ tuning and loudspeaker management maximizes performance and protects the subwoofer’s components. 

    Key Features 

    •  High Output in an ultra-compact form factor
    • 2000 Watt class D amplifier module
    • 12-inch, long-excursion driver; 6th order bandpass design
    • Variable crossover and savable/recallable
    • Scenes for commonly-used applications
    • Intrinsic CorrectionTM tuning and loudspeaker management
    • Refined, professional appearance looks great in any application
    • Rugged painted wood enclosure for long life and lasting durability
    • Deployment in either vertical or horizontal positions with dual M20 speaker pole fittings
    • Optional KS-LOC security cover prevents unauthorized tampering of controls
    • 6-Year Warranty

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    Two M20 threaded pole receptacles provide a positive, wobble-free connection to a threaded speaker pole in either vertical or horizontal deployment (pole not included). An optional KS-LOC security cover prevents unauthorized tampering of controls. Rugged, low-noise casters are included.

    Musicians, bands, mobile DJs, system integrators and AV rental/production professionals alike will appreciate the performance of the KS112 in a wide variety of applications – particularly when paired with TouchMix Series mixers, further optimizing KS Series performance, or as a complement to K.2 Series loudspeakers. Global 6-year warranty with product registration.

    Included in the Box

    • QSC Audio KS112 12" Compact Active Subwoofer
    • 4 × Low-Noise, Heavy Duty Casters

    Technical Specifications

    • Configuration: 6th-Order Bandpass Subwoofer
    • LF Transducer: 305 mm (12 in), Cone
    • Frequency Response (-6 dB): 41 Hz - 108 Hz
    • Frequency Range (-10 dB): 38 Hz - 121 Hz
    • Maximum Rated SPL: 128 dB @ 1 m (peak)
    • Amplifier: Class D, 2000W (peak)
    • Cooling: Low-noise, variable speed fan
    • Controls: Power On/Off, Gain Control, Rotary encoder, 2 × selection buttons
    • Indicators: 2 × Power LED (front and rear), Input Signal LED, Limiter Active LED
    • Connectors: 2 × locking XLR/F 1/4-inch combo, 2 × XLR/M (Loop-thru Output), 1 × locking IEC power connector
    • AC Power Input: Universal power supply 100 - 240 VAC, 50 - 60 Hz
    • AC Power Consumption: 100 VAC, 2.4 A / 120 VAC, 2.0 A / 240 VAC, 1.3 A
    • Enclosure: 15 mm Birch Plywood
    • Color: Black (RAL 9011)
    • Grille: Internal woofer cover
    • Speaker Dimensions (H×W×D): 622 × 394 × 616 mm
    • Carton Dimensions (H×W×D): 740 × 500 × 673 mm
    • Net Weight: 28.4 kg 
    • Shipping Weight: 35 kg 
    • Regulatory: CE, WEEE, UL, China RoHS, RoHS II, FCC Class B
    • Optional Accessories: KS112 CVR Transport Cover, KS-LOC Lock-Out Cover, SP-26 and SP-36 Loudspeaker Poles, SP-16X Extension Pole
    Trade Doubler Group ID
    Speaker Size
    QSC Audio
    Loyalty Points

    Earn loyalty points whenever you shop at Andertons. Points can be earned and used online, in store or over the phone: earn and use points however you choose to shop! No need to sign up - points are added automatically when you make a purchase! The more you shop, the more you save, so start earning points now!

    What are points worth?

    One point is worth a 1p discount, and there's no limit on the number of points used per purchase! For example, if you have 1000 points, you can redeem them for a £10 discount on any purchase.

    How many points will I earn when I shop?

    We display the number of points available for a product on the product's page on our website. Normally we'll give you one point for every pound you spend, but watch out for double and triple points deals for even more savings!


    Here at Andertons Music Co. we believe that we stock some of the best musical equipment in the world. That's why we want to make it as quick and easy as possible for you to get your order, safe and sound!

    We offer a wide range of delivery options to help fit around your busy lifestyle without compromise. This includes free, named-day delivery for most UK postcodes on orders over £99 which are in stock, Saturday & Sunday deliveries, and competitive delivery rates worldwide.

    Please note: Some UK postcodes including remote areas and Northern Ireland are subject to charges.

    You can find full details about the services we offer, including details on our international delivery charges, on our main delivery page. Click here to read more.

    Customer Reviews


    6 reviews





    Trusted Customer6th May 2022

    Impressively loud for such a compact box, can be lifted and carried by a single person, integrate seamlessly with K12.2. At a recent outdoor event my guest DJ looked dubious at whether 2 x K12.2 + 2 x K112 would be sufficient... but came away more than happy with volume, clarity and thump.

    Value 5Looks 5Durability 5Sound 5

    Mr Tim Hands28th Jan 2022

    Value 4Looks 4Durability 4Sound 4

    Simon Cardle1st Oct 2021

    Already have one and this was an additional bin Works really well

    Value 4Looks 5Durability 5Sound 5

    Mr Simon Sheehan31st May 2021

    Value 5Looks 5Durability 5Sound 5

    Mr David Willison5th Aug 2019

    Very impressed with the punch for a small compact light weight sub, each sub used with a qsc k12 & k10, for a live wedding band in a good sized barn on my first outing with these subs. Highly recommended

    Mr Alan Cooper17th Nov 2018

    Sound great in a compact box

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    How do I use instant finance?

    It's simple! Just add the products you want to your basket and click the "Checkout" button in your basket. Go through the checkout process and tick the "Finance" option under "Select Your Payment Method". You can then choose which finance term you'd like to apply for, and change your deposit if you wish.

    At the end of the checkout you'll be taken to the V12 Finance web site. This is where your finance application is processed. Assuming your application is accepted you'll be able to place your deposit and confirm your order right there.

    Then, your order will come through to Andertons and we'll send you the goods. Get approval before 3pm and we'll send your order out the same working day (stock permitting) for next working day delivery!

    Who can apply for finance?

    You must: spend over £300, be at least 18 years of age, have been a UK resident for 3 years or more, be able to make repayments by Direct Debit, be in regular employment (minimum of 16 hours per week) including self-employment, or in permanent residence with your partner who is in regular employment.

    Read More About Online Finance

    Andertons Music Company's Registered Office: 58-59 Woodbridge Road, Guildford, GU1 4RF. Andertons Music Company acts as a credit broker and not a lender and only offers credit products from Secure Trust Bank PLC trading as V12 Retail Finance. Andertons Music Company is authorised and regulated by the Financial Conduct Authority. Credit provided subject to age and status.