Rockford Fosgate M2D4-12S 12" Marine RGB Subwoofer Coaxial Speakers The KAC-D3104 uses Class D

The KAC-D3104 uses Class D amplification and a Power MOS-FET switching power supply in a compact format

2D with Ultra-Fi MOSFET output devices

A wired remote bass level control is included for convenient adjustment from the driver’s seat

while a rubber surround supports cone movement

This makes the VMAX15D2 suitable for single-subwoofer builds where amplifier compatibility is an important consideration

Rockford Fosgate M2D4-12S 12" Marine RGB Subwoofer Coaxial Speakers The KAC-D3104 uses Class DThe Rockford Fosgate M2D4 12S is a 12 inch marine subwoofer designed for systems that need strong low frequency output from a compact sealed enclosure. Its dual 4 ohm voice coil design and built in VersaSwitch allow the final nominal impedance to be set to 2 or 8 ohms. It is sold individually and is intended for marine and motorsports audio installations. This subwoofer is optimized for small sealed enclosures, making it a practical choice when