Description
FBT PM 4000 Active PA System Package
Product Overview
The FBT PM 4000 Active PA System Package is a complete, professional-grade mobile PA system delivering 4000 Watts RMS of exceptional audio performance. This comprehensive package comprises 2x ProMaxX 114 top boxes and 2x Subline 118A subwoofers, along with telescoping poles and padded covers for all speakers.
Designed, engineered, and manufactured in Italy, the PM 4000 excels in any situation — from live performances and DJ events to corporate functions and permanent installations.
Package Contents
2x FBT ProMaxX 114 – Active Top Boxes
2x FBT Subline 118A – Active Subwoofers
2x MSA 220BK – Telescopic Poles
4x Padded Covers – 2x V64 and 2x SL-C118
Product Description
ProMaxX Series – The Next Step in Portable Sound
With a specially developed polypropylene cabinet and stylish full grille aesthetic, the new PROMAXX by FBT represents the next step in the evolution of a portable sound classic. Equipped with custom FBT speakers complete with B&C’s renowned compression driver technology, PROMAXX combines true made-in-Italy quality and style.
At its heart is a purpose-built FBT amplifier module with a switch-mode power supply:
Low frequency: 700W RMS driven via a highly efficient Class-D topology, boasting extremely low THD
High frequency: 200W RMS delivered by a Class-H / AB design chosen to ensure the highest definition of audio performance at high frequencies
Advanced DSP Platform
Also onboard is a powerful digital signal processing (DSP) platform made available to users of all levels thanks to an intuitive graphical user interface. Located on the rear of the enclosure, the menu-driven system is navigated via a single rotary control with push-to-select functionality.
DSP Features:
6 equalizer presets — each carefully designed by FBT engineers to ensure every application is catered for
2 preset slots — for users to form their own designs, using 5 parametric equalizers per slot
High-pass filter
Mic/line selector
Low, mid, and high tone settings
Optional delay — between 0 and 10 metres
Two limiter modes — MAX-SPL or MAX-QUALITY — to best suit your performance
Presets for Every Occasion
PROMAXX offers 6 presets to cater for a broad variety of uses, each crafted by FBT engineers. Employing powerful DSP, the presets ensure reliability while eliminating distortion:
ORIGINAL / LIVE — The renowned, smooth FBT sound
VOCAL — A special EQ setting to maximise speech intelligibility
DJ — Designed to keep the energy high and your audience dancing
TOURING — The reliability and the roar of the industry’s most popular touring systems
LOUDNESS — The ultimate preset for listening at a medium or low volume
WARM — A special setting to emphasise full-bodied, low-mid frequencies
Versatile Enclosure Design
The PROMAXX feature-set is matched by the enclosure’s versatility, with options for:
Pole-mounting
Wall-hanging
Suspension
Array deployment
The result is the most accessible PROMAXX yet.
Subline 118A – Active Subwoofer
The SUBline 118A has been completely redesigned with a bass-reflex configuration, built in birch plywood and aimed to extend the low frequency response to a wide range of FBT speaker systems.
Created with the aim to maximise SPL/SIZE ratio, they have:
Class-D amplifiers
Switch-mode power supply
Digital Signal Processor with presets to match any other FBT speaker
Key Features:
18″ woofer with 3″ voice coil for huge punch and high SPL (137 dB)
1200W RMS amplifier module
Built-in DSP with eight different presets
8-step delay control and Phase push button
Dual XLR inputs (stereo pair) with corresponding outputs
Variable High Pass filter with bypass option
IN/OUT stereo connectors — use only one subwoofer with Left and Right speakers
Neutrik TRUE1 Power connection — negates the need for a power switch while offering a solid locking connection
Optional wheels for easy transport
Ergonomic integrated carrying handles
Tour-grade plywood cabinets
Key Advantages
Complete package — ready to use out of the box
4000W RMS total system power
Premium Italian engineering — designed, engineered, and manufactured in Italy
Versatile applications — from live performances to permanent installations
Professional-grade components — B&C compression drivers, birch ply cabinets
Advanced DSP — 6 presets plus 2 user-defined slots, delay, limiter modes
Flexible mounting options — pole, wall, suspension, or array
Powerful 18″ subwoofers — for extended low frequency response
Rugged construction — built for the road
Key Features
| Feature | Specification |
|---|---|
| Total System Power | 4000W RMS |
| Top Boxes | 2x ProMaxX 114 |
| Subwoofers | 2x Subline 118A |
| Top Box Power | 700W LF + 200W HF RMS each |
| Subwoofer Power | 1200W RMS each |
| Top Box SPL | 127.5/135.5 dB |
| Subwoofer SPL | 134/137 dB |
| Top Box Weight | 17.5kg each |
| Subwoofer Weight | 40.5kg each |
| Top Box Construction | Polypropylene |
| Subwoofer Construction | Birch Plywood |
| Finish | Black |
| Included Accessories | Telescopic poles, padded covers |
| DSP Presets | 6 preset + 2 user-defined |
| Limiter Modes | MAX-SPL or MAX-QUALITY |
Applications
The FBT PM 4000 Active PA System Package is perfect for:
Live performances and gigs
DJ events and parties
Corporate presentations and conferences
Weddings and celebrations
Houses of worship
Conference rooms and meeting spaces
Small to medium auditoriums
Permanent installations
Touring applications
High-end retail and hospitality venues
Why Choose the FBT PM 4000 Active PA System Package?
The FBT PM 4000 offers a complete, professional-grade audio solution in one convenient package. With its combination of ProMaxX 114 top boxes and Subline 118A subwoofers, this system delivers exceptional clarity, powerful bass, and even coverage throughout the audience.
The advanced DSP platform with 6 presets plus 2 user-defined slots ensures optimal performance in any environment, while the versatile enclosure design allows for pole-mounting, wall-hanging, suspension, or array deployment. The powerful 18″ subwoofers provide extended low frequency response, making the PM 4000 ideal for music applications where deep, authoritative bass is essential.
Designed, engineered, and manufactured in Italy, the PM 4000 is built to the highest standards of quality and reliability. Whether you’re performing live, DJing at a corporate event, or installing a permanent sound system, the PM 4000 delivers the performance and reliability you need.
We suggest you explore more products like the FBT PM 3000 Active PA System Package.





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