






PowerWorks ARTEMIS 18SB - Active 18" Subwoofer
Overview:
The PowerWorks ARTEMIS 18SB Active Subwoofer provides powerful low-frequency reinforcement for ARTEMIS, APOLLO, and full-range PA systems. Its 18-inch high-excursion woofer and 4-inch voice coil produce deep, impactful bass. A dual-ported enclosure further supports strong bass response. Full DSP control provides flexible sound adjustment, while multiple mounting and connection options support professional system configurations.
Key Features:
• 18-Inch High-Excursion Woofer: The 18-inch woofer produces deep, powerful bass for stronger low-frequency reinforcement across professional sound systems.
• 4-Inch Voice Coil: The 4-inch voice coil supports the woofer’s powerful output for impactful low-frequency reproduction.
• Dual-Ported Enclosure: Dual ports improve bass response, helping deliver a stronger and clearer low-end presence.
• Full DSP Control: DSP adjustments for phase, frequency, and gain help optimise performance for different setups.
• Class D Amplifier: The Class D amplifier drives the subwoofer efficiently while delivering its rated power output.
• Flexible Mounting Options: Support for 35mm and M20 speaker pole mounts allows adaptable system configurations.
• Dual Input and Output Connections: Two inputs and two XLR outputs simplify system integration and linking multiple subwoofers.
Specifications:
• Woofer: 18″ high-excursion with 4″ voice coil
• Power: 1000 Watts RMS / 2000 Watts Peak
• Amplifier: Class D
• Frequency Response: 30-150 Hz
• Maximum SPL: 130 dB
• Enclosure: 18mm plywood, black multi-layered paint
• Inputs: 2 x Multi-combo XLR and 6.3mm TRS line-level
• Outputs: 2 x XLR
• Mounting Options: 35 mm & M20 stand flange mount
• Dimensions: 775(H) x 645(W) x 765(D) mm
• Weight: 52.7 kg
• Additional Features: Optional cover, optional casters for easy transport
Professional Low-Frequency Reinforcement
The PowerWorks ARTEMIS 18SB suits audio professionals working with concerts, festivals, and permanent installations. Its powerful output, DSP control, durable enclosure, and flexible mounting options make it a practical addition to professional PA systems.

