Tunex Champ15″ 1500RMS TX-1515D4 Subwoofer

Champ 15 D4 1500RMS

TX-1515D2 / D4 

Impedance: 1Ω (D2) / 2Ω (D4)

Power Rating: 1500W RMS

Voice Coil: 3.0" Copper

Magnet Structure: Triple 190x20mm ferrite magnets

Magnet Weight: 240 oz

Xmax: 14.5 mm

Xmech: 45 mm

DCR: 0.9Ω (D2) / 3.8Ω (D4)

Fs: 30.606 Hz

BL: 11.718 Tm

Sensitivity (SPL): 88.7 dB

Vas: 72.434 L

SD: 80.425 m²

Mms: 342.893 g

The TX-1515 series blends deep, accurate bass with serious efficiency — ideal for high-output systems needing punch and clarity across the low-end spectrum.