Minimum impedance (bridged): 2 ohms

✓ Eight-layer voice coil

Technical data tweeter:

Diaphragm material: 3D HQPP (High-Quality Polypropylene)

P3D2/D4-15 impedance:D1 - Dual 1 Ohm Minimum impedance (bridged): 2 ohmsRockford Fosgate Punch Series Legendary "punch" sound with the Rockford Fosgate PUNCH subwoofers. With an anodized aluminum membrane design, oversized surrounds and large drivers, PUNCH subwoofers deliver deep, loud and aggressive bass. For over 20 years, PUNCH subwoofers have been showing the world what they are capable of, high power handling and fantastic looks. With a high excursion, the P3 subwoofers can definitely take your music to the next