the SUB 15-AX is a high-power portable active subwoofer designed for live performances and small to medium venues. it includes a 15” driver housed in a bass-reflex plywood cabinet with a durable polyurethane finish. powered by a 2200 W class d amplifier, it delivers clear, deep bass up to 133 dB SPL with excellent headroom. the subwoofer features advanced integrated dsp with digital crossover presets, an 8-band parametric eq, cardioid modes, delay up to 45 meters, and speaker/subwoofer alignment tools. control is intuitive via a 2.4-inch color touchscreen, rotary encoder, swipe gestures, or the rcf livremote app via bluetooth. connectivity includes combo XLR/jack inputs, link outputs, and waterproof powerCON TRUE1 TOP connectors. stackable and lightweight, the subwoofer also has ergonomic rubber-coated handles and an M20 pole mount, making it versatile and easy to deploy for live sound and dj setups.
Features
2200 W class D amplifier (peak), 1100 W RMS
133 dB max sound pressure level
15” woofer with 3” voice coil in bass-reflex cabinet
digital crossover with presets and 8-band parametric EQ
advanced dsp with cardioid modes, delay up to 45 m, and alignment tools
2.4” color touchscreen with rotary encoder and swipe navigation
remote control via Bluetooth® with LiveRemote app (android & iOS)
plywood cabinet with polyurethane finish (black or white)
stackable, lightweight design with ergonomic rubber handles
M20 threaded pole mount for speaker integration
combo XLR/jack inputs, XLR outputs
bass motion control for speaker excursion management
powerCON TRUE1 waterproof power connectors
convection cooling (fanless)
CE safety compliant
Specifications
| frequency response | 35 Hz ÷ 120 Hz |
| max SPL @ 1m | 133 dB |
| woofer | 15”, 3” voice coil |
| input signal | balanced / unbalanced |
| input connectors | combo XLR/jack |
| output connectors | XLR |
| input sensitivity | -2 dBu / +4 dBu |
| dsp controls | digital crossover presets, 8-band EQ, cardioid mode, delay (up to 45 m), speaker/sub alignment |
| protections | thermal, soft limiter |
| total power | 2200 W peak / 1100 W RMS |
| cooling system | convection (fanless) |
| power connection | powerCON TRUE1 TOP IN/OUT |
| safety compliance | CE compliant |
| cabinet material | plywood with polyurethane finish |
| handles | one handle per side |
| mounting | M20 thread |
| grille | powder-coated steel |
| color | black, white |
| height | 590 mm / 23.23 inches |
| width | 420 mm / 16.54 inches |
| depth | 590 mm / 23.23 inches |
| weight | 31.4 kg / 69.23 lbs |
| package height | 640 mm / 25.2 inches |
| package width | 650 mm / 25.59 inches |
| package depth | 480 mm / 18.9 inches |
| package weight | 36.5 kg / 80.47 lbs |



















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