Amazon.com: Infinity Kappa OneK 1000 -Class D, 1000W Mono Subwoofer Amplifier with LPF, Low- and High- Level Inputs, RBC (Remote Bass Control) included : Electronics
Infinity Kappa K1000 1000w RMS Mono Amplifier Car Audio Sub Amp 2-ohm Class-D | Audio Savings
These are the specs of my Sub(Infinity Kappa 1000w) paired with xm-gs100 amp, everything set to 4ohm, i find the bass to be lacking and it's all boomy even this feels empty,
Infinity Kappa K1000 Mono subwoofer amplifier — 1,000 watts RMS x 1 at 2 ohms at Crutchfield