Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
5.0 (2)
$1,149.00
Guitar Center
5.0 (1)
$1,149.00
Amazon
$1,149.00
Reverb
$1,149.00 New
$976.65 Used
Musician's Friend
$1,149.00
B&H
5.0 (1)
$1,149.00

Price History

Based on price data from 4 merchants for "RCF SUB-705AS-MK3 15" Powered PA Subwoofer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

If you're seeking a subwoofer that combines power, portability, and performance, look no further than the RCF SUB-705AS-MK3 15" Powered PA Subwoofer. Engineered to deliver 1,400 watts of Class D power, this robust unit is designed to produce rich, immersive bass that will fill any small to midsize venue with ease. The heart of this subwoofer is its 15-inch ceramic-loaded woofer, which pumps out deep, resonant lows down to 40Hz and reaches a maximum sound pressure level of 131dB, making it a trusted companion for DJs, bands, and sound engineers alike.

Designed with versatility in mind, the SUB-705AS-MK3 boasts a suite of advanced features such as a built-in stereo crossover, switchable crossover frequencies, and polarity-reverse switch, allowing you to tailor the sound to your specific needs. Its state-of-the-art DSP technology ensures your audio remains clear and undistorted, with digitally controlled EQ, soft limiting, and comprehensive system protection.

Housed in a rugged Baltic birch cabinet with a scratch-resistant polyurea coating, this subwoofer is built to withstand the rigors of the road. Its user-friendly design includes stereo XLR inputs and outputs, bass motion control for excursion management, and multiple handles for easy transport. Whether you're on stage or on tour, the RCF SUB-705AS-MK3 promises to deliver powerful, professional-grade bass performance every time.

Key Features:

  • 1,400W Class D amplifier
  • 15" ceramic-loaded woofer
  • Frequency range: 40Hz to 120Hz
  • Max SPL: 131dB
  • Built-in stereo crossover with switchable frequencies
  • Polarity-reverse switch
  • Digital EQ, soft limiting, and system protection
  • Stereo XLR input and output
  • Bass Reflex housing with Bass Motion Control
  • Rugged Baltic birch cabinet with polyurea coating

Product specs

Powered Yes
LF Driver Size 15" subwoofer
Power Rating 700W RMS
Total Power 1400W Class D
Inputs 1 x XLR
Outputs 1 x XLR
Frequency Response 40Hz-120Hz
Maximum Peak SPL 131 db dB SPL @ 1m
Mounting Options Floor, Pole
Power Source Standard IEC AC cable
Enclosure Material Baltic birch plywood
Height 23.54"
Width 16.54"
Depth 23.23"
Weight 60.63 lbs

FAQs

What is the power output of the RCF SUB-705AS-MK3 15" Powered PA Subwoofer?

The RCF SUB-705AS-MK3 delivers a total power output of 1400 watts with 700 watts RMS, utilizing a Class D amplifier for efficient performance.

What type of inputs and outputs does the RCF SUB-705AS-MK3 have?

The RCF SUB-705AS-MK3 features one XLR input and one XLR output, allowing for easy integration into various audio setups.

What is the frequency response range of the RCF SUB-705AS-MK3?

The frequency response of the RCF SUB-705AS-MK3 ranges from 40Hz to 120Hz, making it suitable for delivering deep bass frequencies.

Is the RCF SUB-705AS-MK3 suitable for live sound applications?

Yes, the RCF SUB-705AS-MK3 is designed for live sound applications, offering high sound pressure levels up to 131 dB, making it ideal for concerts and events.

What materials are used in the construction of the RCF SUB-705AS-MK3?

The RCF SUB-705AS-MK3 is constructed with a durable Baltic birch plywood enclosure, providing both strength and resonance for high-quality sound reproduction.

Can the RCF SUB-705AS-MK3 be mounted on a pole?

Yes, the RCF SUB-705AS-MK3 can be mounted on a pole, offering versatile placement options for various live sound setups.

Hammerlyd Denmark

Hammerlyd Denmark

RCF SUB 705-AS Mk3 Product Review

Video thumbnail for RCF SUB 705-AS Mk3 Product Review by Hammerlyd Denmark

RCF SUB 705-AS Mk3 Product Review

Hammerlyd Denmark

Hammerlyd Denmark

Video thumbnail for RCF SUB 705-AS MK3 Active Subwoofer Sound Demo !!! by Fel Bang

RCF SUB 705-AS MK3 Active Subwoofer Sound Demo !!!

Fel Bang

Fel Bang

Reviews

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about RCF SUB-705AS-MK3 15" Powered PA Subwoofer.

Build quality

  • The RCF SUB705-MK3 features a rugged polyurea-coated finish, which is noted for its durability and resistance to wear and tear.

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  • The RCF uses switches for controls, which may provide greater durability compared to the QSC's screen-based interface.

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Features and functionality

  • The SUB705-MK3 incorporates BMC technology, which enhances bass control, distinguishing it from more traditional DSP functions found in other models.

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  • The RCF SUB-705AS-MK3 includes a high pass option, absent in the QSC KS112, enhancing its versatility.

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  • The RCF SUB-705AS-MK3 has a noticeable limiter function that engages without negatively impacting sound quality, even when pushed hard.

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Comparisons

  • The FBT X SUB 115SA is heavier by approximately 9 kg than the RCF, impacting portability for users who frequently transport their gear.

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  • The RCF's full-backed grill offers better protection against debris than the QSC KS112, which lacks this feature.

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  • At 40Hz, the 905-AS II performs significantly better than the 705, with a 20dB higher output, suggesting superior low-end capability.

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Use cases and applications

  • The RCF SUB705-MK3 is ideal for small-to-medium events due to its portability and compact design, which fits well in tighter spaces.

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  • The RCF is effectively smaller than the QSC KS112 once accounting for the QSC's wheels, aiding in transportability.

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  • A single 705-AS II provides a balanced sound for small gigs and parties but lacks headroom for larger venues or bass-heavy genres.

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User experience

  • Owners appreciate the SUB705-MK3's ability to match perfectly with RCF ART 912 tops, creating a cohesive and powerful sound system.

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  • Users find the RCF to play slightly lower frequencies than the QSC, although not significantly lower.

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  • Owners report that when the 910 tops are maxed out, the sound can become thin in the low mids, suggesting the need for careful EQ adjustments.

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Value and pricing

  • The 705-AS II can be perceived as less value due to its lower performance at 40Hz compared to the 905-AS II.

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Setup and maintenance

  • Users recommend setting crossover settings between 80Hz and 120Hz depending on the model pairings for optimal performance.

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