RCF SUB 8008 AS | Dual 18in - 137dB | Active Subwo...
$3,999.00
The RCF SUB 8008 AS is a professional high-output dual 18-inch powered PA subwoofer designed for live bands, mobile DJs, touring sound systems, nightclubs, rental companies, and large event venues. Featuring two RCF Precision Transducers with 4-inch voice coils, an integrated 4400W peak Class-D bi-amplifier, and advanced digital signal processing, this subwoofer delivers up to 137 dB maximum SPL with a frequency response of 30 Hz to 120 Hz. Its onboard DSP offers 12 selectable presets, including eight crossover configurations and four cardioid presets, along with polarity, Deep/Punch, and output delay adjustments. A rugged plywood enclosure with scratch-resistant black polyurea coating, ergonomic carrying handles, dual M20 pole mounts, and PowerCON TRUE1 TOP connections provides the durability and flexibility required for demanding professional sound reinforcement.
The RCF SUB 8008 AS delivers powerful, extended low-frequency performance in a professional dual 18-inch active subwoofer engineered for demanding live sound and touring applications. Its two high-output RCF Precision Transducers feature 4-inch voice coils and optimized ceramic magnetic circuits designed to maintain consistent magnetic flux, minimize distortion, and provide efficient power handling. An integrated 4400W peak Class-D bi-amplifier drives the woofers, producing sound pressure levels up to 137 dB at 1 meter. With a frequency response of 30 Hz to 120 Hz, the subwoofer provides the deep bass reproduction needed for electronic dance music, live bands, concerts, festivals, nightclubs, and large-scale professional sound systems. Its front-vented bass reflex design contributes to efficient low-frequency output while allowing flexible positioning in appropriately configured installations.
Advanced digital signal processing provides the flexibility needed to integrate the SUB 8008 AS into different professional PA configurations. The rear-panel controls include 12 selectable presets, consisting of eight crossover configurations and four cardioid presets. Additional adjustments include input gain, output delay, polarity, and Deep/Punch processing for tailoring the subwoofer's response to the application. The onboard display and rotary encoder provide access to system settings, while dedicated signal, power, and limiter indicators assist with monitoring during operation. A LINK/XOVER selector allows the XLR outputs to deliver either a direct signal or a crossover-filtered signal to connected loudspeakers. Integrated thermal, excursion, and RMS protection with soft limiting helps protect the amplifier and transducers during demanding performances.
For larger sound reinforcement systems, the SUB 8008 AS supports cardioid configurations using two or three matching subwoofers. When properly positioned and configured with the corresponding DSP presets, these arrays help reduce low-frequency energy behind the speaker system while maintaining powerful bass output toward the audience. This capability is particularly useful for concert stages, festival productions, nightclubs, and live performances where excessive bass behind the PA can interfere with microphones, stage monitoring, and performers. The system's adjustable output delay further supports time alignment between the subwoofers and compatible full-range speakers. Balanced and unbalanced XLR audio connections allow the SUB 8008 AS to integrate with professional mixers, audio processors, and additional powered loudspeakers.
The integrated two-channel Class-D amplifier is designed to manage high-current demands while maintaining efficient operation and accurate transient response. Its 4400W peak power rating provides the output capability required for intensive low-frequency applications, while the amplifier's efficient design helps minimize unnecessary heat generation. A dedicated amplifier housing and rear-mounted heat exchanger contribute to dependable operation. The system uses a switched-mode power supply and professional PowerCON TRUE1 TOP AC input and output connections, allowing power distribution to compatible equipment within the specified electrical limits. Different regional voltage versions are available, so the installed electrical supply must match the rating of the individual unit.
Built for professional touring and rental applications, the SUB 8008 AS features a rugged plywood enclosure finished with heavy-duty black polyurea coating to resist scratches and routine transportation wear. The cabinet includes two ergonomic side handles with rubber grips, allowing easier handling during loading, unloading, and positioning. Dual M20 threaded pole mounts on the top and side permit compatible satellite loudspeakers to be supported in vertical or horizontal cabinet configurations using appropriately rated speaker poles. Multiple subwoofer cabinets can also be stacked when correctly secured and supported. A powder-coated steel front grille with acoustically transparent foam backing provides additional protection against dust and moisture, while the front-facing bass reflex ports allow greater placement flexibility. Measuring 21.65 inches high, 46.46 inches wide, and 27.56 inches deep, with a weight of approximately 176.4 lb (80 kg), the SUB 8008 AS provides a high-output bass solution for mid-sized to large venues, touring sound companies, concert productions, and professional DJ systems.
| App Control | Not specified |
| Control Interfaces | Rear-panel rotary encoder and integrated system settings display |
| Onboard DSP | Integrated digital signal processing with 12 presets |
| Brand | RCF |
| Name | RCF SUB 8008 AS |
| Primary Category | Professional Powered Dual 18-Inch PA Subwoofer |
| Build Material | Plywood with scratch-resistant polyurea coating |
| Dimensions | 21.65 x 46.46 x 27.56 in mm |
| Included Accessories | Two ergonomic rubber-grip side handles, dual M20 pole mounts |
| Mounting Options | Dual M20 threaded pole mounts on top and side for vertical or horizontal placement |
| Weight | 176.37 lb kg |
| CE Certified | Yes |
| Warranty Length | Not specified years |
| Driver Configuration | Dual 18-Inch Active Subwoofer |
| Woofer Size | 18 in in |
| Frequency Response | 30 Hz - 120 Hz Hz |
| LED Type | 12 selectable DSP presets (8 crossover, 4 cardioid) |
| Max SPL | 137 dB dB |
| Power Consumption | Power link capacity max 1300W at 100-120V, max 2800W at 200-240V W |
| Power Rating | 4400W Peak W |
| Voltage Range | 115V and 220-240V regional models V |
| Wattage | 4400W Peak W |
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