I would run the 1k for that 400 rms sub.. for the money and have some power on tap in case you decide to run a set of 12s later on? But that 700.1 should be plenty of power for that sub as well.. But for $20 bucks more for 300 watts RMS of more power? Why Not??loving the 2k they have and the 150.4
The CT Sounds CT-1000.1D is a compact 1000 watt class d monoblock car subwoofer amplifier. The 1-ohm stable monoblock amplifier features a Low Pass Filter (LPF), Subsonic Filter, and Bass Boost so you can get the exact sound you are looking for out of your amplifier.
Description Specs Conservatively rated at 1200 watts @ 1 Ohm mono, this amplifier is designed to drive a daily sub setup without failure. Control features include gain level, subsonic filter (10~30Hz), and a low pass filter (40~250Hz). RCA inputs consist of