The SUB 18-AX is a portable 18″ high-power active subwoofer for live sound applications with fully featured processing, a color touch panel, and remote control via Bluetooth®. The combination of a latest-generation transducer with a powerful Class-D amplifier delivers sound pressure levels up to 135 dB with exceptional clarity and headroom. SUB AX subwoofers are designed specifically for small to mid-sized venues and ideal for portable applications. SUB 18-AX is the ideal complement for 10″, 12” or 15″ woofer-size loudspeakers; it centralizes speaker management inside the subwoofer, providing dual crossovers, 8-band EQs, routing, delays, cardioid configurations, and recallable crossover presets. The polyurea-coated all-wood cabinet features a sealed Powercon True1 Top connector.
FEATURES
- 2200 Watt Class-D Amplifier
- 135 dB MAX SPL
- 18” Woofer, bass reflex housing
- Digital Crossover w/ Presets
- Multi-ply hardwood polyurea-coated
- LiveRemote App
- Dual XLR/TRS combo Input + Link, Dual XLR Xover Out
- Bass Motion Control excursion management
- Powercon True1 Top Sealed AC Connector
APPLICATIONS
- Live Music Events & Concerts – Delivers deep, punchy bass that enhances live performances in indoor and outdoor venues.
- DJ and Club Sound Systems – Provides powerful low-end frequencies essential for dance floors and club environments.
- Theater and Stage Productions – Enhances audio clarity and impact for theatrical performances and stage shows.
- Houses of Worship – Supports clear, rich bass for sermons, music, and events in churches and other worship spaces.
- Corporate Events & Conferences – Ensures professional sound reinforcement with clean bass for presentations and product launches.
- Fixed Installations – Ideal for clubs, bars, auditoriums, and entertainment venues needing reliable bass performance.
- Broadcast and Recording Studios – Used as a reference subwoofer for monitoring and mixing low frequencies accurately.
SPECIFICATIONS
Acoustical Specifications
| Specification | Value |
|---|---|
| Frequency Response | 35 Hz – 120 Hz |
| Max SPL @ 1m | 135 dB |
Transducers
| Component | Specification |
|---|---|
| Woofer | 1 x 18”, 4.0” v.c |
Input/Output Section
| Specification | Value |
|---|---|
| Input Signal | Balanced / Unbalanced |
| Input Connectors | Combo XLR / Jack |
| Output Connectors | XLR |
| Input Sensitivity | -2 dBu / +4 dBu |
Processor Section
| Specification | Value |
|---|---|
| Protections | Thermal |
| Limiter | Soft Limiter |
| Controls | Encoder for volume & data entry; Touch Screen for parameters & monitoring |
Power Section
| Specification | Value |
|---|---|
| Total Power | 2200 W Peak, 1100 W RMS |
| Cooling | Convection |
| Connections | Powercon TRUE1 TOP IN/OUT |
Standard Compliance
| Specification | Value |
|---|---|
| Safety Agency | CE compliant |
Physical Specifications
| Specification | Value |
|---|---|
| Cabinet/Case Material | Plywood |
| Handles | 1 handle per side |
| Pole Mount/Cap | M20 thread |
| Grille | Steel |
| Color | Black, White |
Size / Weight
| Dimension | Metric | Imperial |
|---|---|---|
| Height | 693 mm | 27.28 inches |
| Width | 505 mm | 19.88 inches |
| Depth | 685 mm | 26.97 inches |
| Weight | 42.9 kg | 94.58 lbs |
Shipping Information
| Specification | Metric | Imperial |
|---|---|---|
| Package Height | 735 mm | 28.94 inches |
| Package Width | 745 mm | 29.33 inches |
| Package Depth | 565 mm | 22.24 inches |
| Package Weight | 49 kg | 108.03 lbs |
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