The JBL SP125S is a dual 15-inch passive subwoofer engineered for precise, musical low-end in professional PA systems. Loaded with two JBL 2226 transducers in a rugged, tour-ready enclosure, it delivers fast, articulate bass with clean extension to 40 Hz. With 100 dB sensitivity (1 W/1 m) and peak output up to 137 dB, it provides generous headroom while maintaining clarity and punch for live music, theatre and high-energy playback.
Rated at 1200 W RMS and 4 ohms, the SP125S can be driven from a single amplifier channel for simplicity, or powered per driver for advanced optimisation such as delay alignment and cardioid configurations. Its balanced footprint, robust hardware and seamless compatibility with professional system processing make deployment consistent, scalable and repeatable. Pair it with quality full-range tops for compact rigs, or build larger arrays to meet higher SPL demands without sacrificing control.
Built for reliability and sonic accuracy, the SP125S is an excellent choice wherever impactful, controlled bass is required—ideal for clubs, live venues, theatres, corporate events and touring setups.
Includes
- JBL SP125S Dual 15-inch Passive Subwoofer, 1200W, 4 Ohm
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