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RCF SUB 705-AS MK3 Active 15? Bass Reflex Subwoofer ? 1400W

The RCF SUB 705-AS MK3 is a 15-inch active bass reflex subwoofer with 1400W peak power, 131 dB SPL, stereo crossover, and switchable crossover frequencies. Ideal for DJs, live sound, venues, and portable PA systems needing powerful, controlled bass.

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2-3 Days

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  • Warranty 1 year
  • Free 30-Day returns

Description

RCF SUB 705-AS MK3 Active 15_ Bass Reflex Subwoofer ? 1400W

The RCF SUB 705-AS MK3 Active 15_ Bass Reflex Subwoofer is built for powerful, controlled low-frequency performance in professional live sound environments. With a 1400W peak Class-D amplifier, 15-inch woofer, and up to 131 dB SPL, it delivers deep bass extension and strong headroom for DJs, live bands, venues, event hire companies, and production teams across Sydney, Melbourne, Brisbane, Perth, Adelaide, Gold Coast, Canberra, Newcastle, and the Sunshine Coast.

Available from Audio Shop Australia, the SUB 705-AS MK3 is an excellent match for 10-inch and 12-inch loudspeakers, adding professional low-end impact to portable PA systems and installed sound setups. It is ideal for live performance, mobile DJ systems, small to mid-sized venues, and event production. Explore related categories including Speakers, DJ Equipment, Microphones, Audio Interfaces, and Headphones.


High-Power Bass for Live Sound Systems

The SUB 705-AS MK3 is designed to bring depth, energy, and authority to professional sound systems. Its 15-inch woofer with a 3.0-inch voice coil provides strong low-frequency output from 40 Hz to 120 Hz, giving music, speech reinforcement, and live performances the bass foundation they need.

With 1400W peak power and 700W RMS output, this active subwoofer delivers impressive punch while maintaining clarity and control. Its bass reflex housing supports efficient low-end performance, making it a practical and powerful solution for mobile and venue-based audio applications.


Flexible Controls and Reliable Processing

The rear panel provides essential controls including Volume, EQ, Phase, and Crossover selection, allowing users to fine-tune the subwoofer for different spaces and speaker combinations. Stereo crossover functionality and selectable crossover frequencies make it easy to integrate with compatible full-range loudspeakers.

Thermal and RMS protection, along with a soft limiter, help maintain dependable performance during demanding use. Convection cooling supports quiet and efficient operation, while balanced and unbalanced XLR input and XLR output connections make system setup simple and professional.

The rugged Baltic birch plywood cabinet is finished in black and fitted with a steel grille with cloth covering, side handles, and pole mount support. This gives the SUB 705-AS MK3 the durability and practicality needed for touring, venue installs, and regular mobile sound work.


Ideal For

The RCF SUB 705-AS MK3 is ideal for mobile DJs, live bands, event production companies, houses of worship, function centres, schools, clubs, bars, and small to mid-sized venues throughout Australia. Whether you are powering a wedding setup in Sydney, a live band night in Melbourne, a corporate event in Brisbane, or a DJ system in Perth, this subwoofer adds the low-end energy needed for a professional sound experience.

It is also a strong choice for Adelaide venues, Gold Coast entertainers, Canberra AV teams, Newcastle event hire businesses, and Sunshine Coast performers who need reliable bass performance in a portable active subwoofer format.


Why Buy from Audio Shop Australia

Audio Shop Australia supplies premium speakers, subwoofers, DJ gear, and professional audio equipment with Australia-wide shipping and expert customer support. Whether you are upgrading your PA system or building a complete live sound package, our team can help you choose the right setup for your performance space and application.

We support customers across Sydney, Melbourne, Brisbane, Perth, Adelaide, Gold Coast, Canberra, Newcastle, Sunshine Coast, and regional Australia with trusted audio brands, dependable service, and practical product advice.


Add Professional Low-End Power to Your Sound System

Bring powerful bass, reliable performance, and flexible system control to your next event or installation with the RCF SUB 705-AS MK3 Active 15_ Bass Reflex Subwoofer. Order today from Audio Shop Australia for fast Australia-wide delivery and professional audio support.

About brand
RCF is a trusted name in professional audio, known for high-quality speakers, PA systems, transducers, and live sound solutions. Since 1949, RCF has built a strong reputation for innovation, powerful sound performance, and reliable audio technology. At Audio Shop Australia, explore RCF speakers, portable PA systems, subwoofers, studio and live sound equipment designed for DJs, musicians, venues, events, schools, churches, and professional audio setups.
Tech Specs
Frequency Response 40 Hz ÷ 120 Hz
Max SPL @ 1m 131 dB
Woofer 15″, 3.0″ v.c
Input Signal Balanced / Unbalanced
Input Connectors XLR
Output Connectors XLR
Input Sensitivity -2 dBu / +4 dBu
Hi-Pass Frequencies 110 Hz
Low-Pass Frequencies 80 Hz
Protections Thermal, RMS
Limiter Soft Limiter
Controls Volume, EQ, Phase, Xover
Total Power 1400 W Peak, 700 W RMS
Low Frequencies 1400 W Peak, 700 W RMS
Cooling Convection
Connections VDE
Safety Agency CE Compliant
Cabinet / Case Material Baltic Birch Plywood
Handles One on Each Side
Pole Mount / Cap Yes
Grille Steel with Clothing
Colour Black
Height 598 mm / 23.54 inches
Width 420 mm / 16.54 inches
Depth 590 mm / 23.23 inches
Weight 27.5 kg / 60.63 lbs
Package Height 648 mm / 25.51 inches
Package Width 638 mm / 25.12 inches
Package Depth 478 mm / 18.82 inches
Package Weight 32.4 kg / 71.43 lbs

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