The Sub12 is powerful subwoofer designed to extend the low frequency capabilities of any near or midfield monitoring and are ideal matches for ADAM monitors such as the AX- or the SX-Series. A large (2-inch) voice coil is driven by a 200W Ice Power amp. This amp stays cool as it uses PWM technology in the amp and the power supply sections, producing > 90% overall efficiency, and can handle its maximum power without danger to the electronics or the driver. Larger Sub12 has a 12-inch woofer capable of producing a 3dB higher SPL max output and reproduces frequencies down to 22Hz.