FBT Muse 218S - 8000W 2 x 18-inch Passive Bass Reflex Subwoofer with 4-inch Voice Coil in Black Finish

The FBT Muse 218S is a powerful passive bass reflex subwoofer that delivers exceptional low-frequency performance, specifically engineered for use in professional sound reinforcement applications. With dual 18-inch B&C woofers featuring 4-inch voice coils, this subwoofer is capable of producing deep, impactful bass down to 30Hz, making it the perfect choice for extending and reinforcing the low frequencies of the Muse 210 line array in ground-stack configurations. The Muse 218S is ideal for large concert venues, festivals, and any application where high-output bass is required. With a peak SPL of 148.5dB, the Muse 218S offers immense output power, ensuring it can deliver high-impact bass even in the most demanding environments.

The Muse 218S is powered by an external amplifier and can handle a recommended 4000W RMS of amplification, allowing it to perform at its best while maintaining optimal efficiency. The enclosure features a very large reflex port, which ensures minimal power compression and low port turbulence, resulting in clear and distortion-free bass even at high SPL levels. The bass reflex design provides substantial low-end energy, making the Muse 218S perfect for complementing a full-range sound system like the Muse 210 line array. The subwoofer is optimized using BEM-type acoustic simulations to reduce resonance and improve airflow through the ducts, ensuring that the system performs at its peak with minimal distortion.

One of the key features of the Muse 218S is its ability to be configured in a cardioid directivity pattern, where some subwoofers are positioned rearward from the audience. This configuration allows for the cancellation of sound pressure behind the cluster, reducing SPL at the rear by over 15dB. This makes it ideal for applications where controlling low-frequency energy in specific areas is crucial, such as in large outdoor venues or in close proximity to sensitive areas. The system includes external DSP presets that allow users to create various configurations for different acoustic needs. The subwoofer is constructed from 18mm birch plywood, finished in scratch-resistant black paint, ensuring durability and longevity while providing a professional aesthetic. The front of the unit is protected by a heavy-duty metal grille with synthetic cloth, safeguarding the drivers during transport and use.

The Muse 218S is equipped with six integrated handles for easy handling and transport, and the option for four 4-inch swivel-mount casters allows for easier mobility across the venue. The subwoofer also includes an M20 top-mount stand socket, enabling the user to integrate it into different setups easily. The rear panel features 2 Neutrik NL4 M Speakon connectors for both input and output, providing reliable connectivity and allowing for easy daisy-chaining of multiple units. The Muse 218S is built for demanding environments, offering high SPL, low distortion, and flexibility for various applications, making it an essential tool for professional sound engineers.

Features

• Dual 18-inch B&C woofers with 4-inch voice coils for deep, impactful bass
• 4000W RMS recommended amplifier power for optimal performance
• Very large reflex port for minimal power compression and low port turbulence
• Frequency response from 30Hz for full-range low-frequency extension
• Maximum SPL of 142.5dB continuous and 148.5dB peak for high-output bass
• Cardioid configuration reduces SPL by over 15dB at the rear of the array
• Optimized with BEM-type acoustic simulations for reduced resonance and turbulence
• External DSP presets for flexible configuration based on array curvature and needs
• Durable 18mm birch plywood enclosure with scratch-resistant black finish
• Heavy-duty metal grille with synthetic cloth protection for the drivers
• Integrated rigging hardware for easy suspension in ground-stack or flown configurations
• Six integrated handles and optional 4-inch swivel-mount casters for mobility
• M20 top-mount socket for pole-mounting applications
• 2 Neutrik NL4 M Speakon connectors for reliable input and output connections
• PowerCon IN/OUT connectors for secure power distribution
• Dimensions: 44.88 x 28.13 x 21.85 inches
• Net weight: 218.25 lbs
• Shipping dimensions: 47.24 x 31.49 x 28.74 inches
• Shipping weight: 238 lbs (with pallet)

Specifications

General

• Configuration: 1 Reflex
• Low Frequency Woofer: 2 x 18-inch, 4-inch coil

Acoustical

• Frequency Response (@ -6dB): 30Hz preset dependent
• Sensitivity (@1W/1m): 103.5 dB
• SPL Max (cont/peak): 142.5 / 148.5 dB half-space (Bi-Amp)
• Dispersion: Omnidirectional
• Recommended HP Filter: 25Hz - 24dB/oct
• Recommended External Filter: FBT DSP processor

Amplifier

• Built-in Amplifier Max LF (W): 4000
• Built-in Amplifier Peak LF (W): 8000
• Recommended Amplifier (W RMS): 4000
• Long Term Power (W): 2000
• Short Term Power (IEC 268-5) (W): 8000
• Input Impedance: 22 kOhm
• Nominal Impedance: 4 Ohm

Inputs/Outputs

• Power Supply Connectors: PowerCon IN/OUT
• Input Connectors: XLR IN / OUT
• Input / Output NET: NET IN / NET OUT (EtherCon)

Power Supply

• AC Power Requirements: 800W
• Power Cord: 16.4 ft

Mechanical

• Material: Wooden cabinet, black finish
• Handles: Integrated (3 x side)
• Dimensions: 44.88 x 28.13 x 21.85 inches
• Transport Dimensions: 47.24 x 31.49 x 28.74 inches
• Net Weight: 218.25 lbs
• Shipping Weight: 238 lbs with pallet