Electro-Voice EVF-1181S-BLK Subwoofer Speaker Box for Installation, Ideal for EVFS-S Series, 400W at 8ohm

Built for installation environments that demand punch, clarity and reliability, the Electro-Voice EVF-1181S subwoofer speaker box delivers the low-end foundation professional systems need. This Electro-Voice pro subwoofer pairs an FEA-optimized 18" EVS18SB woofer with a rugged, weather-resistant birch enclosure coated in EVCoat to provide deep, low-distortion bass ideal for concert houses, houses of worship, retail, and security paging/monitoring centers. Rated at 400W continuous (1600W peak) at 8 ohm and capable of 131 dB max SPL, the EVF-1181S covers the crucial 35–100 Hz range to reinforce voice and cues without muddying the midrange. Installers will appreciate the trapezoidal cabinet for cluster flexibility, 28 M10 suspension points, and versatile input panel that accepts phoenix connections or optional NL4 plates and transformer kits for distributed systems. Whether you are designing a public address system, integrating audio for surveillance and perimeter security alerts, or strengthening a pro AV setup, the EVF-1181S provides dependable low-frequency performance and simplified rigging. Contact us to spec this Electro-Voice subwoofer into your next install or request a quote for system design support.

• Powerful, low-distortion bass that improves speech intelligibility and impact for PA, security paging and monitoring systems
• 400W continuous drive at 8Ω with 131 dB max SPL delivers reliable output for large venues and fixed installs
• 18" EVS18SB woofer and 35–100 Hz response provide deep, controllable low-frequency performance
• Weather-resistant 13-ply birch enclosure with EVCoat for long-lasting outdoor and indoor installations
• Flexible rigging and connectivity (M10 points, phoenix/NL4 options) simplify installation and maintenance