Meyer Sound 900-LFC 3100W Powered Subwoofer with 18" LF Driver and Rigging Frame - 09.246.201.02 is backordered and will ship as soon as it is back in stock.
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Product Overview
The Meyer Sound 900-LFC is a compact self-powered low-frequency control element built for scalable low-frequency reinforcement in touring rigs and fixed installations of any size. This configuration ships with the optional QuickFly rigging frame, making it ready for flown, ground-stacked, and cardioid subwoofer arrays. Driven by a single 18-inch long-excursion driver and an onboard class D amplifier, it delivers high continuous output with extremely low distortion. It is a natural low-frequency complement for Meyer Sound LEOPARD line array systems.
Product Description

This 900-LFC variant is supplied with the integrated rigging frame, whose captive GuideALinks enable flying from the MG-LEOPARD/900 multipurpose grid in LEOPARD arrays without a transition frame. The same end frames support ground-stacked configurations with uptilt or downtilt, and allow standalone subwoofer arrays at splay angles of 0, 1.25, 2.5, 3.75, or 5 degrees. The cabinet houses a two-channel, open-loop class D amplifier rated at 3100 W peak with a field-replaceable amplifier and control module. An integral pole-mount receptacle pairs the unit with ULTRA Series loudspeakers, and RMS remote monitoring reports operating parameters to a host computer. For larger formats consider the Meyer Sound VLFC very-low-frequency control element, and for the compatible array system the Meyer Sound LEOPARD line array loudspeaker. Browse the full Meyer Sound collection for matching processing and accessories.
Key Features
- 18-inch LF Driver — A single dual-coil, long-excursion 18-inch cone driver with 2 ohm nominal impedance reproduces low frequencies with high output and clarity.
- Self-Powered Class D Amplifier — A two-channel, open-loop class D amplifier rated at 3100 W peak is housed in a field-replaceable module, simplifying setup and service.
- QuickFly Rigging Frame — Captive GuideALinks allow direct flying from the MG-LEOPARD/900 grid and support ground-stacked and cardioid arrays.
- Variable Splay Angles — Subwoofer arrays can be configured at 0, 1.25, 2.5, 3.75, or 5 degrees for tailored low-frequency coverage.
- Low Distortion — THD, IM, and TIM measure below 0.02 percent for exceptional linearity and transient reproduction.
- RMS Remote Monitoring — A two-conductor twisted-pair network reports all amplifier operating parameters to a Mac or Windows host computer.
- Integral Pole Mount — A built-in pole-mount receptacle pairs the subwoofer with ULTRA Series loudspeakers.
Typical Applications
- House of Worship — Provides scalable low-frequency reinforcement for worship spaces of any size.
- Auditorium — Extends low-frequency response for theatrical and presentation sound systems.
- Multi-Purpose Room — Supports flown or ground-stacked low end for flexible event configurations.
- Broadcast Studio — Delivers linear, low-distortion low frequencies for monitoring and production audio.
Technical Specifications
| Operating Frequency Range | 30 Hz – 125 Hz |
| Frequency Response | 32 Hz – 115 Hz ±4 dB |
| Phase Response | 40 Hz – 110 Hz ±30° |
| Linear Peak SPL | 133 dB with crest factor >10 dB (M-noise) |
| Low Frequency Driver | One 18-inch dual-coil, long-excursion cone driver; 2 Ω nominal |
| Amplifier | Two-channel, open-loop, class D; 3100 W peak |
| THD, IM, TIM | < 0.02% |
| AC Power | powerCON 20 input with loop; 90–265 V AC, 50–60 Hz |
| Dimensions with Rigging | W 27.47 in x H 24.43 in x D 24.89 in (698 x 621 x 632 mm) |
| Weight with Rigging | 159 lb (72.1 kg) |
| Enclosure | Premium multi-ply birch with textured black finish |
Specifications sourced from Meyer Sound. Subject to change without notice.
Competitor Comparison
| Criteria | Meyer Sound 900-LFC | L-Acoustics KS21 | d&b SL-SUB |
| Amplification | The 900-LFC is self-powered with an integrated class D amplifier in the cabinet. | The KS21 is externally amplified and requires an LA-series amplified controller. | The SL-SUB is externally amplified and requires a d&b amplifier. |
| Driver Configuration | It uses a single 18-inch long-excursion driver. | It uses a single 21-inch driver. | It uses dual 21-inch drivers in a larger cabinet. |
| Monitoring | It includes Meyer Sound RMS remote monitoring of all amplifier parameters. | Monitoring is handled through the external amplifier and LA Network Manager. | Monitoring is handled through the external amplifier and R1 software. |
| System Integration | It integrates directly with LEOPARD arrays using the shared MG-LEOPARD/900 grid. | It integrates within the L-Acoustics K and Kara array ecosystem. | It integrates within the d&b SL-Series ecosystem. |
Frequently Asked Questions
Is the 900-LFC compatible with LEOPARD line arrays? Yes. When equipped with rigging, the captive GuideALinks allow it to fly from the MG-LEOPARD/900 multipurpose grid in LEOPARD arrays without a transition frame.
Does this configuration include rigging? Yes. This version ships with the QuickFly rigging frame for flown, ground-stacked, and cardioid configurations.
What processing and amplification does it need? The 900-LFC is self-powered, so no external amplifier is required. It can be driven and aligned using a Meyer Sound Galileo GALAXY Network Platform.
How is the system monitored? The unit includes Meyer Sound RMS, reporting all amplifier operating parameters to a Mac or Windows host computer.
What warranty applies? This product is covered under Meyer Sound's standard product warranty. For details please contact us.
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- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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