Skip to product information
The FBT Subline 115S is a high-performance passive subwoofer engineered for professional sound reinforcement applications. Its robust 15-inch low-frequency woofer is housed in a tour-grade birch plywood cabinet designed to minimize resonance and maximize acoustic output. This passive unit delivers deep, punchy bass response suitable for permanent installations and mobile live sound setups. Integrated ergonomic handles allow for easier transport, while the M20 pole mount socket supports satellite speaker configurations. The durable textured paint finish protects the enclosure against the rigors of frequent stage use. High-quality internal components ensure reliable power handling and consistent performance during demanding operations. This subwoofer serves as a versatile low-end extension for the Subline series, enhancing the overall sonic depth of any PA system.
| Material | Baltic Birch Plywood |
| Transducer Size | 15 inch Woofer |
| Enclosure Type | Bass Reflex |
| Mounting Type | M20 Top Mount Pole Socket |
| Input Connectors | 2 x Neutrik Speakon NL4 |
| Finish | Scuff-resistant black paint |
| Handles | Two integrated aluminum handles |
| Configuration | Passive Subwoofer |