JBL Professional SRX918S 18" Powered Subwoofer, Black

When low-frequency clarity and authoritative impact matter, the JBL Professional SRX918S powered subwoofer delivers. Built as a pro subwoofer system, the SRX918S provides tight, controlled bass that enhances music playback, voice reinforcement, alarms and paging in live sound, security control rooms, and surveillance monitoring environments. With a single 18-inch high-excursion driver, 2500W RMS Class D amplification and selectable DSP presets, this unit reproduces deep bass across a usable 60–80 Hz range while minimizing distortion and thermal compression.

Installers and AV managers will appreciate the Ethernet-enabled control, LevelMax excursion protection, and rugged 18mm plywood enclosure—features that simplify integration, remote monitoring and long-term reliability in fixed installs or truck-pack setups. Whether you are building a stadium audio stack, a corporate AV system, or a perimeter security paging solution, the SRX918S adds authoritative low end that improves intelligibility and impact. Contact us for system design support or add the SRX918S to your rack for immediate performance upgrades.

• Powerful, controlled low end that tightens mixes and reinforces speech or alarms for pro AV and security monitoring
• 2500W RMS Class D amplification with onboard DSP for reliable, low-distortion output and flexible tuning
• 18-inch high-excursion driver delivers impactful bass where it matters—improves intelligibility for paging and surveillance systems
• Network-ready control via Ethernet with HControl compatibility for centralized monitoring and system integration
• Rugged, road-ready plywood cabinet and LevelMax protection ensure long-term reliability in demanding installations