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Mackie Thump 18S V4, Active PA Subwoofer (700w RMS)

SKU: DDJ6576

£729.00 £809.00

or /mo with finance

Availability:
Stock due on 15/05/2026

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Key features:

  • 1400W Class-D amplifier for powerful, consistent output
  • 18” woofer delivers deep low-end with clarity
  • Flat, Deep, and Punch voicing modes for sound shaping
  • Stereo XLR inputs and high-pass/full-range outputs
  • M20-threaded pole mount for stacking with top speakers
  • Brand new
  • 2 Year Warranty
  • Fast delivery
Description
Features
Specifications
Delivery

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Mackie Thump18S v4 18" Powered PA Subwoofer

The Mackie Thump18S v4 is a high-output 18" active subwoofer designed to deliver deep, powerful bass for professional PA systems. Ideal for DJs, live performances, and large events, it adds the low-end impact needed to fill bigger spaces and create an immersive sound experience.

Why choose the Thump18S v4?

  • 18” powered subwoofer for maximum low-end output
  • Designed to pair with full-range PA speakers
  • Delivers deep, punchy bass for large venues and events
  • Adjustable settings for tailored low-frequency performance
  • Built for DJs, live sound, and professional setups

Massive bass performance

The Thump18S v4 delivers powerful, floor-shaking bass that brings energy and depth to your sound system. Whether it's driving kick drums, basslines, or electronic music, it ensures your audio has the impact needed to move a crowd.

Optimised system integration

Designed to work seamlessly with full-range PA speakers, the Thump18S v4 allows you to dial in the perfect low-end balance for your setup. This ensures a clean, professional sound across the entire frequency range.

Built for demanding applications

With its larger 18" driver and increased output, the Thump18S v4 is ideal for bigger venues, outdoor events, and high-energy performances where extra bass is essential.

Reliable and road-ready

Built to handle the demands of live sound, the Thump18S v4 offers durability and consistent performance. While powerful, it remains practical for professional use and transport.

Important delivery information

Please note: Due to the weight of this item, a shipping surcharge will be applied at checkout.

Ideal for

  • Mobile DJs and large event setups
  • Live bands and performance venues
  • Outdoor events and festivals
  • PA systems requiring high-output bass
  • 1400W Class-D amplifier for consistent, reliable performance
  • 18” high-performance woofer delivers deep, powerful bass
  • Voicing modes: Flat, Deep, and Punch for tailored sound
  • Variable crossover frequency and polarity invert switch
  • Stereo or mono summing for flexible system integration
  • Stereo XLR inputs and high-pass/full-range XLR outputs
  • Variable level control from -6dBU to +6dBU
  • Integrated M20-threaded pole mount for speaker stacking
  • Built-Like-A-Tank™ construction with lightweight design
  • Defeatable front LED for discreet stage use
Amplifier Power
  • 1400W Class-D
Max. SPL
  • 132 dB
Woofer
  • 18” high-performance woofer
Voicing Modes
  • Flat, Deep, Punch
Inputs
  • Stereo XLR
Outputs
  • High-pass or full-range XLR
Crossover
  • Variable crossover frequency
Polarity
  • Invert switch
Level Control
  • -6dBU to +6dBU
Mounting
  • Integrated M20-threaded pole mount
Construction
  • Built-Like-A-Tank™ with defeatable front LED
Dimensions
  • 21.3 x 20.9 x 23.9 in (541 x 531 x 607 mm)
Weight
  • 32 kg

UK Deliveries

We offer FREE DELIVERY on orders OVER £99 to UK Mainland customers. Please see the table below for service details and costs.

Service DPD FedEx UPS
UK Standard (Orders Over £99) 7-10 Working Days | Free of charge
Next Working Day Express Next Day | £5.99 Next Day | £6.99 Next Day | £9.99
Next Day Before 12:00pm Next Day | £19.99 Service Not Available Service Not Available
Next Day Before 10:30am Next Day | £22.99 Service Not Available Service Not Available
Saturday or Sunday Weekend | £15.99 Service Not Available Service Not Available
Saturday or Sunday Before 12:00pm Weekend | £19.99 Service Not Available Service Not Available
Saturday Before 10:30am Weekend | £24.99 Service Not Available Service Not Available
Northern Ireland, Scottish Highlands & Islands 2 Days | £15.99 Service Not Available Service Not Available
Channel Islands 2 Days | £23.99 Service Not Available Service Not Available

For more information on shipping surcharges and additional costs, view our full policy here.

European Deliveries

We ship to most European destinations using trusted courier partners DPD, UPS, and FedEx, with full tracking from dispatch to delivery.

At checkout, simply select your country and the available courier options and prices will be calculated automatically based on your order’s size, weight, and destination.

All prices are tax inclusive and you will NOT have to pay any Tax or Duty to the courier.

Service DPD FedEx UPS
Republic Of Ireland 2-3 Days | £19.99 Live Rates at Checkout Live Rates at Checkout
Austria, Denmark, Estonia, Hungary, Latvia, Lithuania, Poland, Slovakia, Slovenia & Spain 3-6 Days | £39.99 Live Rates at Checkout Live Rates at Checkout
Belgium, France, Germany, Italy, Netherlands & Luxembourg 2-4 Days | £29.99 Live Rates at Checkout Live Rates at Checkout
Bulgaria, Greece & Romania 5-8 Days | £54.99 Live Rates at Checkout Live Rates at Checkout
Croatia, Czech Republic, Finland, Portugal & Sweden 4-6 Days | £44.99 Live Rates at Checkout Live Rates at Checkout
Norway 6-8 Days | £69.99 Live Rates at Checkout Live Rates at Checkout
Switzerland 3-5 Days | £49.99 Live Rates at Checkout Live Rates at Checkout

For more information on shipping surcharges and additional costs, view our full policy here.

Rest of the World

We ship to most international destinations worldwide using trusted courier partners UPS and FedEx, providing reliable delivery with full tracking from dispatch to delivery.

At checkout, simply select your country and the available courier options and prices will be calculated automatically based on your order’s size, weight, and destination. (Coming Soon)

All prices are excluding VAT. Your country & local taxes will have to be paid to the courier before they deliver your goods. Please check with your governing body on what rates you can expect to pay.

Service DPD FedEx UPS
United States & Canada Service Not Available Email for a Quote Email for a Quote
Australia, New Zealand, Fiji & Papua New Guinea Service Not Available Email for a Quote Email for a Quote
Japan, South Korea, China, Hong Kong, Singapore, Taiwan, Thailand, Malaysia, Indonesia, Philippines, Vietnam, India & Sri Lanka Service Not Available Email for a Quote Email for a Quote
United Arab Emirates, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman & Israel Service Not Available Email for a Quote Email for a Quote
South Africa, Egypt, Morocco, Kenya, Nigeria, Ghana & Tanzania Service Not Available Email for a Quote Email for a Quote
Brazil, Argentina, Chile, Mexico, Colombia, Peru, Costa Rica, Dominican Republic, Jamaica & Trinidad & Tobago Service Not Available Email for a Quote Email for a Quote

For more information on shipping surcharges and additional costs, view our full policy here.

Returns

Our returns system is easy, you have the right to cancel an order up to 14 days, please check our full returns policy here.

Options shown below are for the product you are viewing and do not include any other items you may have in your basket. For a finance calculation on your entire basket, please click the finance link on the basket.

Select Novuna Personal Finance in the checkout to finance your order.

£729.00

Seen a better price?

If you have seen a better price but would rather buy from a trusted UK-based authorised dealer, then please complete the form below and we will do our best to match or beat any genuine price quote.

The following rules apply:

  1. The dealer must be a UK mainland authorised dealer of the brand in question
  2. The item/s must be brand new, in stock and available for next day delivery
  3. Items cannot be part of a sale

We only match UK based authorised dealers. For that reason we cannot match the following companies:

- Thomann (Germany) 

- Music Store / DV24/7 (Germany)
- Bax-Shop (Netherlands)
- Kytary (Czech Republic)

Why buy from us?

  • Outstanding Customer Service
  • UK Phone Support
  • Cheaper UK Returns Within UK
  • Same High Level Warranty
  • Secure Payment Service
Ways to redeem points

Buy it as a Bundle

2 x Mackie Thump 15 V4, Active PA Speaker with Bluetooth (Single - 700w RMS) £935.98
1 x Mackie Thump 18S V4, Active PA Subwoofer (700w RMS) £729.00
1 x Generic Tripod PA Speaker Stands (Pair) £60.00
2 x Generic Audio Lead(s) Of Your Choice £15.98
2 x StageCore CORE 350, XLRm - XLRf 6 Metre Balanced Audio Cable £37.98
Bundle Price £1,899.00
Stock due on 15/05/2026

Choose option:

Select option:

£1,899.00

2 x Mackie Thump 15 V4, Active PA Speaker with Bluetooth (Single - 700w RMS) £935.98
2 x Mackie Thump 18S V4, Active PA Subwoofer (700w RMS) £1,458.00
2 x Gravity SP 2332 B, Adjustable, Threaded Speaker Pole 35 mm to M20 Screw, 1400 mm £39.20
2 x StageCore CORE 350, XLRm - XLRf 6 Metre Balanced Audio Cable £37.98
2 x Generic Audio Lead(s) Of Your Choice £15.98
Bundle Price £2,699.00
Stock due on 02/07/2026

Choose option:

Select option:

£2,699.00

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