Mackie THUMP18SV4 18-Inch Professional 1400W Powered Subwoofer
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Product highlights
In the box
In the box
Free standard shipping
Free standard shipping
*Orders placed before 1 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy
Free Local Pickup
Free Local Pickup
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Craving more power from your PA system? Add a subwoofer that delivers. The Thump18Sv4 shakes the floor with deep, room-filling bass that gets the crowd moving and keeps them there. Connect loudspeakers. Dial in the perfect low end. Feel the difference of a professional subwoofer that brings music alive with complex basslines and punchy kicks.
A True Workhorse for Gigging Professionals
Features a 1400W Class-D amplifier for 132 dB maximum SPL, an 18-inch high-performance woofer for 33 Hz low frequency response, and a Built-Like-A-Tank design that conquers every gig while remaining lightweight with built-in handles for easy loading.
Tailor the Bass to Your Loudspeakers
Connect loudspeakers to high-pass outputs and select from four modes with 1.4 ms alignment delay, including Thump 12 for Thump12v4 loudspeakers (140 Hz crossover), Thump 15 for Thump15v4 loudspeakers (110 Hz crossover), Thump GO for Thump GO loudspeakers (150 Hz crossover), and Variable mode for manual crossover adjustment to match any loudspeakers.
Connect to Versatile Inputs and Outputs
With stereo XLR inputs for DJ controllers, mixers, or other sources, stereo XLR high-pass outputs for connecting loudspeakers with selectable high-pass modes, and stereo XLR full-range outputs for chaining the full, unaltered signal to the next subwoofer.
Essential Subwoofer Features
Includes phase invert switch, defeatable front LED, stereo or mono summing for single or dual subwoofer deployment, variable level control from muted to +6 dB, and front LED on/off control for flexible system setup and operation.
Physical Features
Built-in handles and rugged modern construction designed for durability and easy transport in demanding live sound environments.
General
| Speaker Type | Active Subwoofer |
| Enclosure Type | Bass-Reflex |
| Total Output Power | 1400 W Peak |
Drivers
| LF Driver | 1x 18 inch / 45.7 cm Woofer |
Performance
| Frequency Range/Response | 25 Hz to 160 Hz (-10 dB), 33 Hz to 160 Hz (-3 dB) |
| Maximum SPL | 132 dB SPL |
| Protections | Output Limiter, RMS, Signal Limiter, Thermal |
Signal Processing
| Crossover Frequency | 80 to 160 Hz |
| EQ & Filters | No |
| Dynamic Processing | Peak Limiter |
| Alignment Delay | No |
| DSP | User Settings |
Connectivity
| Audio Inputs | 2x XLR 3-Pin Line Input |
| Audio Outputs | 4x XLR 3-Pin Line Output |
| Network I/O | No |
| USB I/O | No |
| Wireless | No |
| Mobile App Compatible | No |
Power
| AC Input Power | 100 to 120 VAC, 50 / 60 Hz |
| AC Power I/O | 1x IEC Input |
| Power Consumption | 400 W |
Physical
| Color | Black |
| Mounting | 1x M20-Threaded Pole Socket (Top) |
| Handles | 1x Each Side |
| Dimensions | 24.8 x 23.8 x 21.3 inches / 629.9 x 604.5 x 541 mm |
| Weight | 70.4 lb / 31.9 kg |
Overall rating: 0.0 / 5 from 0 reviews.
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Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.
