RCF SUB 15-AX
Best professional subwoofer for demanding live sound and DJ setups.
Experience powerful low-frequency sound with the RCF SUB15-AX, a professional 2200W powered 15-inch subwoofer. Designed for robust audio performance, this subwoofer delivers deep and impactful bass, making it an ideal addition to professional sound systems. Its durable construction ensures reliability for demanding applications, while its sleek black finish complements any setup. The RCF SUB15-AX is engineered to provide exceptional sound quality and power, enhancing live performances, DJ sets, and installed sound environments with its impressive audio capabilities.
$1444.00
Owner Satisfaction
4.7
/ 5
Category Rank
501
/ 6561
#501 in Speakers
Price vs Category Average
-1%
Below average
Frequency Response
35120
/ Hz – Hz
Who it's for
- Sound engineers wanting seamless system integration and precise audio tuning
- DJs and live bands needing impactful, room-filling low-end performance
- Touring professionals requiring gear that survives frequent transport and setup
Who should skip it
- Event planners working in cramped, intimate, or space-constrained venues
- Solo performers needing lightweight gear for easy one-person transport
- Budget-conscious buyers looking for entry-level or semi-pro equipment
Performance breakdown
Low Frequency Extension
Deep bass response reaches 35 Hz for authoritative, room-filling impact.
Power Efficiency
Class-D amplification delivers massive output with minimal thermal waste.
DSP Versatility
Advanced onboard processing allows for precise tuning and cardioid array setups.
Build Durability
Polyurea-coated hardwood cabinet handles the rigors of frequent touring.
Remote Control
LiveRemote app integration makes system adjustments seamless from anywhere in the room.
Output Headroom
133 dB max SPL provides plenty of volume for demanding professional environments.
Key Specs
Frequency Response
35 Hz – 120 Hz
Max SPL
133 dB
Woofer
15-inch
Amplifier
2200W peak, 1100W RMS Class-D
Cabinet Material
Multi-ply hardwood with polyurea coating
Dimensions
23.23 inches (590 mm) H x 16.54 inches (420 mm) W x 23.23 inches (590 mm) D
Weight
69.23 lbs
Connectivity
Bluetooth, XLR/TRS combo inputs, XLR crossover outputs
Features
- Delivers impactful bass down to 35 Hz
- 2200W Class-D amplifier for high efficiency
- Advanced DSP with intuitive touch panel control
- Bass Motion Control for deep, distortion-free bass
- Wireless control via LiveRemote App
- Durable polyurea-coated hardwood cabinet
- Cardioid configurations for optimized arrays
- Integrated M20 threaded pole mount
What customers say
Professional users highly value the RCF SUB 15-AX for its exceptional reliability and powerful, compact performance. The 15-inch driver consistently produces tight, musical low-end, offering clarity that avoids muddiness, making it ideal for mobile DJs and small venues. Users frequently cite the robust build quality, describing the unit as a durable workhorse ready for rigorous use. Integrated active electronics simplify setup and provide precise control, enhancing system compatibility. While the initial cost is premium, the consensus is that the superior performance and expected longevity fully justify the investment, despite the manageable weight being a trade-off for its professional components.
Know before you buy
Bass Motion Control manages the excursion of the woofer to prevent over-excursion, allowing you to achieve deep, punchy bass without the distortion typically associated with high-volume playback.
Yes, the SUB 15-AX features Bluetooth connectivity, allowing you to adjust DSP settings, crossover points, and volume levels remotely using the RCF LiveRemote App on your mobile device.
Yes, the SUB 15-AX is specifically designed to support cardioid configurations. This allows you to direct sound toward your audience while significantly reducing low-frequency energy on stage.
The subwoofer is built with a rugged, polyurea-coated hardwood cabinet designed for professional touring and frequent transport. While it is highly durable, it is not waterproof, so you should avoid exposing it to direct rain or moisture.
The subwoofer features an integrated M20 threaded pole mount on the top panel. You can screw a standard M20 speaker pole directly into this mount to securely support your full-range satellite speakers.
This subwoofer provides a frequency response of 35 Hz to 120 Hz, making it well-suited for reinforcing the low-end frequencies in live music, DJ sets, and installed sound systems.
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