Martin Audio Blackline Q218 2x18" Passive Subwoofer

SKU: Q218-B

£2,376.00 inc VAT
£1,980.00 ex VAT

1 in stock (more available subject to additional lead time)

Order in 18h 16m 49s for FREE delivery by Tuesday
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5 Year Manufacturer Warranty Included

About this Product

Blackline Q218 is a high-performance, dual-driver subwoofer designed to complement BlacklineQ Series full-range loudspeakers. It extends the system's low-frequency response down to 38 Hz, delivering powerful bass performance with a peak SPL of 136dB (142dB for crest factor 4) for exceptional low-end impact.

Driver
18"

Low Freq
38Hz
extension

Applications

Ideal for:

Live sound
Nightclubs
Touring
Permanent installations
Features

Designed for flexible deployment, Q218 can be used singly, stacked or flown via integral M10 inserts

It includes an M20 1.4" (35 mm) pole-mount fitting for seamless integration with other loudspeakers in BlacklineQ series

There are two signal link outputs-one positioned at the top and one at the bottom of the enclosure when oriented vertically

This allows for flexible, discreet and tidy signal connections to other BlacklineQ loudspeakers, regardless of setup

Four ergonomic side handles facilitate easy handling and rubber feet on the base align with top-surface recesses to ensure stable stacking

A castor kit is available as an optional accessory

Specifications
Driver Size 18"
Low Frequency Extension 38Hz
SKU Q218-B

More Information

  • Dual-driver, direct radiator subwoofer
  • 2 x 18" (460mm) drivers with 4" (102mm) voice coils
  • Peak SPL of 136dB (142dB for crest factor 4)
  • Durable plywood enclosure
  • Slot ports for reduced air noise
  • Perforated steel grille
  • M20 / 1.4" (35mm) pole-mount socket
  • 4Ω nominal impedance
  • Integral ergonomic handles
  • Feet for vertical or horizontal operation
  • Rebate recesses for stable horizontal stacking
  • M10 flying inserts
  • Fittings for optional castors
  • Three NL4 connectors
  • 85% Post Consumer Recycled ABS Plastic
  • FSC Certified Cardboard Packaging
  • Biodegradable Box Sealing tape

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Frequently Asked Questions

Stage Supply is the retail arm of Moventra Group. We’re a working touring and events production company founded in 2020 by sound engineers with many years of experience. 

We’re very selective about the products we sell. Everything we supply we use ourselves on our tours, events and productions. This means we can offer a level of buying advice and aftersales support that can’t be beaten.

We’re official dealers of brands such as Allen & Heath, Audio Technica and sE Electronics. We also stock other leading brands including Shure, Sennheiser, Martin Audio and Chauvet Professional.

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Yes. We run a AV Production business (Moventra) and have AV Engineers on hand to provide advice and technical support during our operating hours.

The quickest way to contact us for advice and support is through WhatsApp or Email.

Stage Supply is a division of Moventra, which is a AV Production Company. We share staff and our premises with Moventra which allows us to keep our costs down.

As AV Engineers ourselves, our mission is to provide high quality equipment to other AV Professionals at reasonable prices.

Please see our Returns page for information on our returns policy and to start a return online.

Generally if you change your mind you can return your item for a full refund within 14 days of purchase - as long as the product is unopened and unused. 

If an item is faulty or damaged we will arrange collection free of charge and repair/replace it as quickly as possible.

Estimated delivery times are shown on the product page. For items in stock we aim to get your order to you within 1 - 3 working days.

Some items are ordered directly from the manufacturer. These may have longer lead times which will be estimated on the product page. Please contact us for a more accurate lead time.

Yes. You can collect from our Production Space in Wembley, London. Please note that only a small range of our products are stored here, items showing as in stock may need to be transferred from our warehouse. If the item is in stock it will usually be ready to collect the same or next working day.

Yes. Through Moventra we can install across the UK. 

We've been involved in installation projects ranging from large capacity Music Venues to Coffee Shops, Churches and Council Offices.

Please click here to contact us to learn more about our installation service.