Martin Audio Blackline XP118 18" 2000W Active Subwoofer

Product code: 1481

£1,589.00 inc VAT
£1,324.17 ex VATWas £1,732.00 inc VAT. Save £143.00

SKU: XP118

(1 Review)

11 available online

More available from supplier in 1–3 weeks

Optional Add-Ons

Martin Audio HTKCT04 Distance Pole BlacklineX / Powered Speakers and Subs

£30.00 inc VAT
£25.00 ex VAT

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About this Product

The XP118 is a compact, high performance subwoofer for indoor use with the XP12 and XP15 full-range loudspeakers. It extends the low frequency operating range of the combined system down to 42Hz and can be used singly, stacked or flown via integral M10 inserts.

2000W

Power Rating

2000W

Peak Power

18″

Driver

42Hz

Low Freq · extension

Applications

Ideal for:

Live sound

Nightclubs

Touring

Permanent installations

System Compatibility

Works with:

XP12

XP15

Features

A convection-cooled Class D amplifier module delivers 2000Wpeak output to the driver for maximum low frequency extension and chest-thumping punch

The XP118 enclosure is built for the road, constructed from durable plywood and finished in textured black paint

A perforated steel grille protects the driver, and the enclosure has a 35mm pole-mount socket in the top surface and two ergonomic side handles

High-excursion driver for extended low-frequency output

Robust touring-grade enclosure construction

Professional-grade build quality

Specifications

Martin Audio Blackline XP118 18″ 2000W Active Subwoofer specifications
Driver Size	18″
Voice Coil	4″ (100mm)
Power	2000W
Peak Power	2000W
Low Frequency Extension	42Hz
Frequency Response	42Hz to 150Hz ±3dB (-10dB at 38Hz)
Maximum SPL	131dB continuous, 137dB peak (half space)
Crossover	80Hz low-pass (With XP12 and With XP15 presets)
Inputs	2 x female XLR/¼” jack combo
Mix Output	1 x male XLR, 600Ω balanced
Amplifier	Class D, bridge tied, convection cooled
Power Supply	100 to 240V AC, 50 to 60Hz, switch-mode with PFC
Power Consumption	1000W max
Mains Connector	3-pin IEC
Enclosure	Birch/poplar ply, black textured paint, black perforated steel grille
Fittings	16 x M10 inserts, pole-mount socket, 2 x bar handles, provision for castors
Dimensions (W x H x D)	662 x 536 x 640mm
Weight	44kg
In the Box	Detachable mains power cord
Optional Accessories	WHEELKIT pack of four wheels, HTKCT06 M10 eye bolt, HTKCT04 pole extension
SKU	XP118

Full features

Compact, self-powered subwoofer
1 x 18" (460mm) driver with 4" (100mm) voice coil
2000W of Class D amplification
Global power supply with PFC (Power Factor Correction)
On-board DSP with rotary control interface
Multi-function display for metering, control and function selection
Peak and RMS limiters
Bluetooth control and streaming option
Durable plywood enclosure
Screw-free, perforated steel grille
Integral ergonomic handles
35mm pole-mount socket

Full specifications

Acoustics

Type: Compact self-powered subwoofer
Frequency response
- 42Hz - 150Hz ±3dB
- -10dB @ 38Hz
Driver
- LF: 18" (460mm)/4" (100mm) voice coil, long excursion, ferrite magnet
Maximum spl: 131dB continuous, 137dB peak (Half space)
Dispersion (-6DB): Omnidirectional
Crossover: 80Hz low-pass (both presets)

Audio In/Out

Input connectors: 2 x female XLR/ ¼" jack combo
Mic/line input impedance: 8 kΩ balanced
¼" Jack ts input impedance: 1 MΩ unbalanced
Mix output connector: 1 x male XLR
Mix output impedance: 600 Ω Balanced

Internal Processing

Input channel EQ: 3-band
Speaker EQ: 2 presets, With XP12 and With XP15
Protection: Peak and RMS limiting, amplifier thermal protection

Amplifier Module

Type: Class D, Bridged Tied
Peak output power: 2000W total
Average efficiency: 89%
Cooling: Convection
Maximum ambient temperature: 35°C (95°F) for full output

Power Supply

Type: Switch-mode, fixed frequency with PFC
Ac input operating range: 100-240V ~ AC, 50 - 60Hz
Power factor: > 0.98
Nominal power consumption: 1000W Max
Mains connector: 3-pin IEC

Physical & Dimensions

Enclosure: Birch/poplar ply
Finish: Black textured paint
Protective grille: Black perforated steel
Fittings: 16 x M10 inserts, pole-mount socket, 2 x bar handles, provision for castors
Dimensions
- (W) 662mm x (H) 536mm x (D) 640mm
- (W) 26.1in x (H) 21.1in x (D) 25.2in
Weight: 44kg (97lbs)

Product Reviews

5.00 1 review · 1 verified purchase

5★ 1 4★ 0 3★ 0 2★ 0 1★ 0

Bought this? It takes a minute.

Andrew Grimwood September 2026 Verified purchase

These subs are phenomenal and great value for money.
The digital display on the rear of the cabinet is intuitive and made it very simple to pair with my XP12's, allowing the built-in crossover to do the work.

Manuals & Downloads

DatasheetPDF

User Guide (BlacklineX Powered)PDF

Frequently Asked Questions

Who are Stage Supply?

We’re a working touring and events production company founded in 2019 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.

What payment methods do you accept?

We accept Visa, Mastercard, American Express, Apple Pay, Google Pay and Paypal. We also offer finance through Paypal Credit and Klarna.

Business Customers can choose to receive a Proforma Invoice on checkout to pay by bank transfer.

Do you offer technical support?

Yes. We run an AV production business 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.

Can I open a trade account?

Many of our customers are trade/industry buyers and we have already factored this into our pricing. Trade discounts may be available for bulk quantities on some products.

We also offer quantity discounts on some products on our website.

Do you ship outside the UK?

You can order on our website for delivery to the UK (Including Northern Ireland), Isle of Man, Jersey, Guernsey and the Republic of Ireland.

We can ship many items to the EU and other countries worldwide. Our dealer agreements may prevent us sending some items to certain countries.

Please contact us for a quotation if you need something shipped to a country not offered at checkout.

Can I return an item?

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 30 days of delivery (14 days for business customers) - 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.

How quickly will my order arrive?

Estimated delivery times are shown on the product page. For items in stock we aim to get your order to you within 1 - 2 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.

Do you have a shop/can I collect?

Yes. We have a trade counter near Wembley Stadium, London. Many of our most popular items are stocked here for immediate collection.

Stock availability is shown on every product page and is updated in real time. Items not stocked at our Wembley branch can usually be collected next day.

Do you offer an Installation service?

We're currently not able to offer an installation service due to the rapid growth of Stage Supply.

We hope to be able to offer this service again in the future.

What courier do you use?

We use Royal Mail for smaller items, FedEx and Parcelforce for larger items and The Pallet Network for Pallet delivery items.

Tracking for your order is provided on dispatch.

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Martin Audio Blackline XP118 18" 2000W Active Subwoofer