RCF SUB 15-AX

PROFESSIONAL ACTIVE 15" SUBWOOFER

• 2200 Watt Class-D Amplifier
• 133 dB MAX SPL
• 15" Woofer, bass reflex housing
• Digital Crossover w/ Presets

The SUB 15-AX is a portable, high-power 15-inch active subwoofer engineered for professional live sound applications. Designed with advanced onboard processing, it features an intuitive color touch panel and convenient Bluetooth® remote control for fast and flexible system management.

Equipped with a latest-generation high-performance transducer and a powerful Class-D amplifier, the SUB 15-AX delivers outstanding low-frequency impact with sound pressure levels of up to 133 dB SPL, offering exceptional clarity, punch, and ample headroom. It is purpose-built for small to mid-sized venues and is perfectly suited for portable sound systems.

Optimized to pair seamlessly with 10-inch or 12-inch full-range loudspeakers, the SUB 15-AX centralizes system control directly within the subwoofer. Integrated DSP functions include dual crossovers, 8-band equalizers, signal routing, delay alignment, cardioid configurations, and recallable crossover presets-eliminating the need for external processing.

Housed in a rugged, all-wood enclosure with a durable polyurea coating, the SUB 15-AX is built for reliability on the road. A sealed PowerCON True1 TOP connector ensures secure power connectivity, making it a dependable low-frequency solution for demanding professional environments from RCF.

RCF SUB 15-AX Features

• 2200 Watt Class-D Amplifier
• 133 dB MAX SPL
• 15" Woofer, bass reflex housing
• Digital Crossover w/ Presets
• Multi-ply hardwood polyurea-coated
• LiveRemote App
• Dual XLR/TRS combo Input + Link, Dual XLR Xover Out
• Bass Motion Control excursion management
• Powercon True1 Top Sealed AC Connector

Advanced Subwoofer with Crossover Presets for RCF Speakers

The key to optimizing your sound system is the precise adjustment of your subwoofer's time alignment. This not only elevates sound quality but also enhances bass response, giving your audience both the beat they can hear and the vibe they can feel.

With internal factory-tuned crossover presets for RCF speakers, your sound system is show-ready in a few easy steps. Simply connect your satellite speakers to the SUB AX, select the crossover preset from the user interface, and you are ready to go. FiRPHASE linear phase is extended to match the subwoofer phase down to the lowest frequencies.

RCF SUB 15-AX Specification

ACOUSTICAL SPECIFICATIONS

• Frequency Response: 35 Hz - 120 Hz
• Max SPL @ 1m: 133 dB

TRANSDUCERS

• Woofer: 1 x 15'', 3.0'' v.c

INPUT/OUTPUT SECTION

• Input signal: bal/unbal
• Input connectors: Combo XLR/Jack
• Output connectors: XLR
• Input sensitivity: -2 dBu/+4 dBu

PROCESSOR SECTION

• Protections: Thermal
• Limiter: Soft Limiter
• Controls: Encoder for Volume control and data entry. Touch Screen for parameter management and monitor.

POWER SECTION

• Total Power: 2200 W Peak, 1100 W RMS
• Cooling: Convection
• Connections: Powercon TRUE1 TOP IN/OUT

STANDARD COMPLIANCE

• Safety agency: CE compliant

PHYSICAL SPECIFICATIONS

• Cabinet/Case Material: Plywood
• Handles: 1 handle per side
• Pole mount/Cap: M20 thread
• Grille: Steel
• Color: Black, White

SIZE / WEIGHT

• Height: 590 mm / 23.23 inches
• Width: 420 mm / 16.54 inches
• Depth: 590 mm / 23.23 inches
• Weight: 31.4 kg / 69.23 lbs

SHIPPING INFORMATION

• Package Height: 640 mm / 25.2 inches
• Package Width: 650 mm / 25.59 inches
• Package Depth: 480 mm / 18.9 inches
• Package Weight: 36.5 kg / 80.47 lbs

  What is the RCF SUB 15-AX?
A: The SUB 15-AX is a portable, high-power 15-inch active subwoofer designed for professional live sound applications, offering advanced DSP processing, touchscreen control, and Bluetooth® remote operation.

  What type of venues is the SUB 15-AX designed for?
A: It is optimized for small to mid-sized venues, including clubs, event spaces, houses of worship, corporate events, mobile DJs, and portable PA systems.

  How powerful is the SUB 15-AX?
A: The subwoofer delivers sound pressure levels of up to 133 dB SPL, powered by a high-efficiency Class-D amplifier that provides excellent headroom and clarity.

  What control options does the SUB 15-AX offer?
A: The system features an intuitive color touch panel on the rear and Bluetooth® remote control, allowing users to adjust settings quickly and wirelessly.

  Does the SUB 15-AX include built-in DSP processing?
A: Yes. It includes comprehensive onboard DSP, such as dual crossovers, 8-band EQs, routing options, delay alignment, cardioid configurations, and recallable crossover presets.

  What speakers pair best with the SUB 15-AX?
A: The SUB 15-AX is ideally matched with 10-inch or 12-inch full-range loudspeakers, making it an excellent low-frequency extension for compact PA systems.

  Can the SUB 15-AX replace an external speaker processor?
A: Yes. By centralizing speaker management within the subwoofer, it often eliminates the need for external crossovers or system processors in small to mid-sized setups.

  Who should choose the RCF SUB 15-AX?
A: It is an excellent choice for DJs, bands, rental companies, AV professionals, and venues seeking a powerful, compact, and intelligent subwoofer with advanced control and easy integration.

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