Wharfedale Pro - DELTA-AX15B 15" Active Subwoofer - With Adjustable Low Pass Filter
Delta-AX15B is a commanding 15-inch active subwoofer engineered for pro PA systems demanding deep, powerful bass.
With a high-efficiency Class-D amplifier delivering 900 W continuous and 1800 W peak, it manages to reach up to 130 dB SPL at 1 metre, ensuring plenty of headroom for even the most intense live environments. Its frequency response spans 42 Hz to 200 Hz (±3 dB), offering a solid low-end foundation without muddying the mix. Integrated controls include a low-pass filter, 180° phase switch, and high-pass link output, allowing seamless integration with full-range speakers. The 15-inch driver sports a heavy-duty 4-inch LF voice coil, for durability and thermal stability under extended use. Encased in rugged 15 mm birch plywood with a Tough-Tone finish, it features four recessed, rubberised handles for road-ready transport. Comprehensive protection circuits (clip limiter, thermal, DC/short) ensure reliability in demanding touring or fixed-install scenarios.