RCF SUB 18AX | 18in, 135 dB, 2200W | Powered Subwo...
$2,399.00
| Brand | RCF |
| Name | RCF SUB 18AX |
| Primary Category | Active Subwoofer |
| Build Material | Multi-ply hardwood with polyurea coating |
| Depth | 26.97 inches inch |
| Dimensions | Height: 27.28 inches, Width: 19.88 inches, Depth: 26.97 inches |
| Height | 27.28 inches inch |
| Included Accessories | Powercon TRUE1 AC Connector, Quickstart Guide |
| Mounting Options | M20 threaded pole mount |
| Weight | 96.56 lbs lbs |
| Width | 19.88 inches inch |
| Control Interfaces | 2.4-inch color touch panel with rotary encoder, LiveRemote App wireless control |
| Wireless Capabilities | LiveRemote App for wireless system adjustments via Android or iOS devices |
| Frequency Response | 35 Hz – 120 Hz Hz |
| Max SPL | 135 dB dB |
| Power Rating | 2200W peak, 1100W RMS W |
| Wattage | 2200W peak, 1100W RMS W |
| Woofer Size | 18-inch inch |
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The RCF SUB 15-AX is a strong option if you want a compact 15-inch powered subwoofer that still has real impact. The 15” woofer with a 3” voice coil gives it a solid punch for its size, and the 2200-watt power rating gives it enough headroom for mobile DJs, live sound setups, corporate events, and compact PA systems. What I like about the RCF SUB 15-AX is that it is not just a basic “plug it in and hope it matches” sub. The onboard color touch panel makes setup much easier, especially if you are adjusting settings quickly at an event. The crossover presets are especially useful when pairing it with different RCF tops, since they help take some guesswork out of system tuning. The 35 Hz–120 Hz frequency response gives the SUB 15-AX usable low-end extension while keeping the response focused for music playback and live sound reinforcement. RCF’s Bass Motion Control is also a nice feature because it helps manage woofer movement, which can improve control and consistency at higher output levels. Another advantage is the liveRemote app, which allows wireless control over EQ, delay, and crossover settings. For event production, that can save time during setup and make small adjustments easier from the listening position. For anyone already using RCF speakers, the RCF SUB 15-AX makes a lot of sense. It is compact compared to larger 18-inch subs, but still hits harder than many people expect from a 15-inch box.
The RCF SUB 18AX feels like a serious single-18” powered subwoofer for users who want strong low-end output without giving up control over system tuning. The 18” driver with a 4” voice coil gives it the kind of punch and depth I’d look for in mobile DJ systems, live sound rigs, and event production setups where the sub has to work hard but still stay clean. One of the better features here is RCF’s Bass Motion Control, which helps the SUB 18AX maintain tighter cone control at higher output levels. That matters in real use, especially when you’re pushing dance music, kick drum, or bass-heavy playback and want the low end to stay defined instead of getting loose or muddy. The onboard color touch panel is also a practical upgrade. Being able to adjust settings directly from the sub makes setup faster, and the liveRemote app adds another layer of convenience by giving wireless control over EQ, delay, and crossover settings. That is especially useful when the sub is placed under a stage, behind a booth, or anywhere that is not easy to reach during setup. I also like that the SUB 18AX includes crossover presets for pairing with different RCF speakers. For users building an RCF-based system, that makes it easier to get a clean handoff between tops and subs without spending extra time guessing at crossover points. For DJs, bands, production companies, and AV users who want a powerful, modern 18” powered sub with flexible tuning, the RCF SUB 18AX is a strong option.
Amazing sub! Great build quality and output. The app is extremely convenient, but more importantly the built in presets for most rcf speakers has made dialing it in a breeze. Have used it at 2 events in medium sized venues (about 150 and 175 guests) and the sound was incredible, with plenty of head room should I have needed it. Looking to purchase this combo in white next!
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