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GoldenEar Forcefield 40 black satin

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Overview

The GoldenEar ForceField 40 in satin black is a compact and powerful subwoofer designed to deliver deep, musical bass in an elegant format. This active subwoofer combines advanced technologies with refined design to seamlessly integrate into any interior while providing impressive sound performance.

A Concentration of Technology for Deep Bass

The ForceField 40 features a 25 cm long-throw active driver, specially designed to reproduce low frequencies with precision and power. Its ultra-rigid, computer-optimized fiber cone allows for wide movements while minimizing distortion. This woofer is paired with a rectangular passive radiator measuring 27 x 33 cm, mounted on the bottom of the cabinet. This unique configuration, called the “Quadratic Planar Infrasonic Radiator” by GoldenEar, extends the bass response down to 14 Hz while maintaining a compact size.

The system is powered by a 1200 W RMS digital amplifier with an advanced DSP (Digital Signal Processor). This processor optimizes the frequency response in real-time and minimizes distortion, even at high volumes. The MOSFET transistor output stage ensures optimal power transfer to the driver.

Compact and Elegant Design

Despite its power, the ForceField 40 maintains compact dimensions of 33.7 x 46.5 x 37.3 cm, making it easy to integrate into any interior. Its 3.3 cm thick cabinet features a curved top panel inspired by the brand’s BRX bookshelf speaker. This specific shape helps reduce internal resonances and distortion.

The satin black finish adds a touch of understated elegance, while the perforated metal grille protects the driver while promoting acoustic transparency. Large rubber feet provide effective decoupling from the floor and maintain the passive radiator at the optimal distance to maximize its efficiency.

Easy Integration into Any Audio System

The connection panel of the ForceField 40 offers a stereo line input as well as a dedicated LFE input for direct connection to a home theater amplifier. A selector allows you to choose between these two modes. In stereo mode, the built-in low-pass filter is adjustable between 40 and 150 Hz to suit any type of main speakers.

Volume and crossover frequency controls allow for fine-tuning the subwoofer’s integration into the system. An automatic power-on switch makes daily use more convenient. Thanks to these options, the ForceField 40 fits seamlessly into both stereo hi-fi setups and multichannel home theater systems.

Impressive Sound Performance

The ForceField 40 stands out for its ability to reproduce low frequencies with precision and impact. Its frequency response ranges from 14 to 250 Hz, covering the entire bass spectrum. The 25 cm active driver paired with the passive radiator moves a significant volume of air, generating powerful and deep bass even in large rooms.

The generous 1200 W RMS amplification gives the ForceField 40 excellent dynamics. It can faithfully reproduce sudden impacts in a movie soundtrack or the fast transients of a music track. The integrated DSP continuously optimizes the response to maintain clear and defined sound, even at high volumes.

Beyond raw power, the ForceField 40 excels in the musical quality of its bass. Its architecture allows for precise reproduction of harmonics and sound textures, revealing the subtle nuances of a double bass or a bass drum. This musicality makes it an excellent choice for hi-fi listening, in addition to its use in home theater.

A Successful Evolution of the Previous Model

The ForceField 40 succeeds the ForceField 4 in the GoldenEar lineup, bringing several notable improvements. The cabinet has been reinforced with thicker walls and a curved top panel to reduce resonances. The electronics have also been upgraded, with a new, more powerful digital amplifier and a more advanced DSP inspired by the high-end SuperSub models.

These upgrades translate into enhanced performance, particularly in terms of bass extension and precision. The new model reaches lower frequencies (14 Hz compared to 20 Hz) while maintaining lower distortion. Power has also been increased, from 1000 to 1200 W RMS.

Aesthetically, the ForceField 40 adopts a more modern design with its perforated metal grille and satin black finish. Its slightly larger dimensions accommodate a bigger passive radiator for even deeper bass.

Technical Specifications

Acoustic Components

  • 1 high-efficiency 25 cm woofer
    • Ultra-rigid fiber cone optimized by computer
  • 1 planar passive radiator 28 × 33 cm

Audio Performance

  • Amplifier: 1,000 W peak, 500 W RMS, controlled by a digital signal processor (DSP), metal-oxide-semiconductor field-effect transistor (MOSFET) output stage
  • Frequency response: 24 Hz - 170 Hz (-6 dB on-axis, in anechoic chamber)
  • Left/right line-level inputs
  • Adjustable low-pass filter 12 dB/octave from 40 to 150 Hz

Physical Characteristics

  • Perforated metal grille for improved sound transparency and airflow
  • Dimensions (W × H × D): 337 × 373 × 465 mm (including feet)
  • Weight: 18.4 kg

Power Supply

  • 100-120 V version: 50/60 Hz, 1,400 W
  • 220-240 V version: 50/60 Hz, 1,400 W

Frequently asked questions

What is the difference between the LFE input and the stereo line input?

The LFE (Low Frequency Effects) input is designed for direct connection to a home theater amplifier. It bypasses the subwoofer’s internal low-pass filter. The stereo line input, on the other hand, allows the subwoofer to connect to a traditional stereo amplifier, using the adjustable built-in filter.

Can the ForceField 40 operate without an external amplifier?

Yes, the ForceField 40 is an active subwoofer with its own 1200-watt amplifier. It can be connected directly to a line-level source without requiring an external amplifier.

Is it possible to use two ForceField 40 subwoofers in the same setup?

Absolutely, using two subwoofers can even be recommended for large rooms or to achieve a more even bass distribution. Simply connect them in parallel to the subwoofer output of the amplifier.

Does the passive radiator require special maintenance?

No, the passive radiator does not require any specific maintenance. It is designed to operate optimally throughout the subwoofer’s lifespan without user intervention.

What is the power consumption of the ForceField 40?

The maximum power consumption of the ForceField 40 is 1400 watts. However, its actual consumption during normal use is generally much lower and varies depending on the listening volume.

User reviews

Eric

A very nice discovery, this little subwoofer which, despite its relatively modest size, really has some punch.
Used in a secondary setup, it does its job very well, namely producing bass. The bass is tight, with no overhang, and goes really low in the spectrum. For its size, it’s a really very good product.
Another good point: the feet provide good isolation from the floor.

Comment from 15 February 2026 — Experience from 27 March 2025

Automatically translated — Show original (French)
Une très belle découverte que ce petit caisson qui malgré une taille relativement modeste en a "sous les pieds".
Utilisé sur une installation secondaire, il fait très bien son travail, à savoir faire du grave. Le grave est mat, sans trainage et descend vraiment bas dans le spectre. Pour sa taille, c'est vraiment un très bon produit.
Autre bon point, les pieds isolent bien du sol.

Philippe

Great product.

Comment from 12 April 2025 — Experience from 1 April 2025

Automatically translated — Show original (French)
Super produit.

Kévin

Impressive : ), an interesting bass whether for home cinema or music.

Comment from 13 December 2024 — Experience from 18 January 2024

Automatically translated — Show original (French)
Impressionnant : ), une basse intéressante que ce soit en hc et musique.
  • Eco-contribution included in the sale price.
  • GTIN / EAN: 92592019331
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