RCF Sub 15-AX
Professional music gear - detailed information and where to buy
RCF
Sub 15-AX
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The RCF Sub 15-AX is a seriously capable subwoofer – it’s built like a tank with that birch ply housing and delivers a ton of clean, powerful low end. This is a great choice for bands, DJs, or rental companies needing a reliable, high-output sub for medium to large stages. It's a workhorse that'll handle a wide range of genres.
Product Description
- RCF Sub 15-AX
- Active Subwoofer
- Equipped with: 15" woofer with 3" voice coil
- Power: 1100 W RMS
- 2200 W peak
- Max. sound pressure level: 133 dB
- Frequency range: 40 - 120 Hz
- Digital power amplifier
- Audio controller with active equalisation
- Stereo crossover
- Adjustable gain
- x-over and delay
- Protected circuit design and limiters
- Power Twist input
- Inputs: Two XLR
- Outputs: Two XLR
- 36 mm pole mount adaptor
- Housing material: Birch multiplex
- Dimensions (W x H x D): 420 x 590 x 590 mm
- Weight: 26 kg
PROS
- • Birch multiplex housing provides exceptional rigidity and resonance control.
- • Digital amplifier ensures clean, powerful output with efficient headroom.
- • Active EQ and adjustable delay offer precise tonal shaping and system alignment.
- • High 133dB SPL capability delivers serious low-end impact for larger venues.
CONS
- • 26kg weight makes transportation a challenge for solo performers.
- • Limited frequency extension below 40Hz; not ideal for true sub-bass applications.
- • Birch construction, while premium, contributes to a higher overall price point.
Product Video
Key Features
Power (Watts)
1100 RMS, 2200 Peak
Woofer Size
15"
Frequency Range
40 - 120 Hz
Max SPL
133 dB
Crossover
Stereo, Adjustable
Weight
26 kg
Similar Products
Manuel Rodriguez Superior Anniversario 120 J-SB
4/4 Size Classical Guitars
$1,099
Classical Guitar, Special model for the anniversary of Guitarras...
DAS Audio EVENT-218A
Active Subwoofers
$4,288
Active Riggable 2x18" Subwoofer, Power: 1800 W RMS, 3600 W peak, Class-D amplifier, Max SPL: 140...
Frequently Asked Questions
While it’s powerful, it doesn’t extend as low as some competitors; it’s focused on delivering impactful mid-bass rather than ultra-deep sub-bass.
Absolutely; birch offers greater density and stiffness, leading to a more resonant and robust enclosure, which translates to better sound and longevity.
Yes, the adjustable delay is crucial for time-aligning multiple Sub 15-AX units or integrating it into a larger PA system for optimal phase response.
