RCF Sub 18-AX W
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RCF
Sub 18-AX W
Product Info
* Prices may vary. Check retailer for current pricing and availability.
This RCF Sub 18-AX W is a serious workhorse sub – really moves a lot of air. The DSP makes dialing it in surprisingly easy, and the power is impressive for smaller to mid-sized venues or bands needing a solid low-end foundation. Perfect for rock, pop, and electronic music where you need that impactful rumble.
Product Description
- RCF Sub 18-AX W
- Active Subwoofer
- Equipped with: 18‘ woofer with 4’ voice coil
- Power: 1100 W RMS
- 2200 W peak
- Max. SPL: 133 dB
- Class-D amplifier
- Frequency range: 35 - 120 Hz
- Inputs: 2x XLR/ 6.3mm jack combo
- Outputs: 2x XLR Link Out
- 2x XLR Crossover Out
- Powercon TRUE1 TOP IN/OUT
- 8-Band EQs
- Protected circuit deisgn and limiter
- Dual crossover
- DSP Display
- Bluetooth
- M20 Flange
- 2 Handles
- Dimensions (W x H x D): 505 x 693 x 685 mm
- Weight: 38 kg
- Colour: White
PROS
- • Robust Class-D amp delivers clean, powerful low-end response.
- • The 18” woofer with a 4” voice coil handles serious power without distortion.
- • Dual crossover and DSP offer precise control over frequency shaping.
- • Solid build quality and M20 flange suggest durability for touring.
CONS
- • White finish might not suit all stage aesthetics or preferences.
- • 38kg makes it a two-person lift, limiting portability for solo acts.
- • EQ capabilities, while present, are relatively basic for complex setups.
Product Video
Key Features
Power (Watts)
1100 RMS / 2200 Peak
Woofer Size
18"
Frequency Range
35 - 120 Hz
Max SPL
133 dB
Crossover
Dual, DSP Controlled
Weight
38 kg
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Frequently Asked Questions
Bluetooth is functional, but not designed for high-fidelity streaming; expect some compression and latency.
The Class-D amplifier provides respectable headroom, but pushing it to its absolute limit will introduce some compression before clipping.
The display is relatively straightforward, but a quick read of the manual will help you understand the various DSP parameters for optimal tuning.
