Alpine S2-W12D4 TW12 The QS3000 features a regulated

The QS3000 features a regulated power supply that is able to constantly deliver power and provides an unsurpassed efficiency rate of 80–90% in a small aluminum heatsink

Proper power and ground wiring with appropriate gauge (8 AWG recommended) will ensure reliable operation and low-end performance

and 750W ×2 bridged @4Ω—ideal for powering front/rear speakers and even a sub channel

Type of Ventilation: Motor structure and basket designed for high excursion (manufacturer specifics limited)

What does the ZXI-T1 do

Alpine S2-W12D4 TW12 The QS3000 features a regulated12" subwoofer with dual 4 ohm voice coils carbon fiber polypropylene cone with HAMR rubber surround frequency response: 23 215 Hz power handling: 600 watts RMS (300 watts per coil) peak power handling: 1,800 watts sensitivity: 86. 2 dB top mount depth: 5. 05" sealed box volume: 0. 61 1. 2 cubic feet ported box volume: 1. 06 1. 6 cubic feet