SPL15D2 - 15-inch Dual 2-ohm SPL Subwoofer

The SPL15D2 is built for high-output competition use, delivering 2500W RMS and 5000W peak from a 15-inch platform designed to handle sustained power abuse. A dual 2-ohm configuration wires down to a 1-ohm load, making it a natural match for high-current mono amplifiers. This is a purpose-built SPL driver, not a daily-use subwoofer.

• 3-layer carbon fiber cone provides rigidity and mass control under high-excursion conditions.
• Dual 3.0-inch (76.5mm) voice coils handle heat dissipation demands at extended RMS power levels.
• 2-inch WideRidge surround supports linear travel and consistent excursion at high displacement.
• 418 oz. magnet delivers the motor force needed to control a large, heavy cone assembly.
• Dual 2-ohm coils wire to 1Ω, optimized for bridged or strapped amplifier configurations.

Specifications

• Nominal Impedance: Dual 1.8Ω + 1.8Ω
• RMS Power Handling: 2500 Watts
• MAX Power Handling: 5000 Watts
• Frequency Response: 31–250 Hz
• Voice Coil Diameter: 3" (76.5mm)
• Voice Coil Material: ASV
• Cone Material: Carbon Fiber
• Frame: Aluminum
• Magnet: Ferrite
• Magnet Weight: 418 oz
• Xmax: 25mm

Thiele/Small Parameters

• Revc: 1 Ω
• Sensitivity: 85 dB
• Fs: 32 Hz
• Qts: 0.42
• Qes: 0.49
• Qms: 2.65
• Vas: 32 L (1.13 ft³)
• η0 (Efficiency): 0.21%
• Cms: 0.046 mm/N
• BL: 15 T·m
• Mms: 534 g
• Sd: 707 cm²

Dimensions

• Overall Depth: 14.23" (361.5mm)
• Mounting Depth: 11.72" (297.6mm)
• Overall Diameter: 15.75" (400mm)
• Cutout Diameter: 13.86" (352mm)