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JBL VTX A12 SB Dual 18-Inch Professional Subwoofer The JBL VTX A12 SB is a premium dual 18-inch subwoofer designed for professional tour sound and high-end installation applications. It delivers superior low-frequency performance with precise control and impressive output, making it ideal for concerts, festivals, arenas, and fixed installations. Key Features Dual custom-designed 18-inch woofers for deep, punchy bass Robust ported enclosure built from high-grade birch plywood with durable DuraFlex finish Engineered for both ground-stacked and flown configurations Compatible rigging system with A12 full-range array elements for flexible deployment Optimised airflow design reduces distortion for clean, accurate sound reproduction Integrated handles and advanced rigging system for easy transport and quick setup Built to withstand the rigours of touring and demanding professional use Specifications Part of JBL's acclaimed VTX series, the A12 SB is a top-tier subwoofer solution offering reliable and powerful low-end reinforcement for a wide range of venues and events.