Behringer NX4-6000 Power AmplifierNX4 6000 The NX4 6000 power amplifier packs 6000 Watts (4 x 1600 Watts @ 2 Ohms; 2 x 3000 Watts @ 4 Ohms) into exceptionally lightweight (13. 4 lbs 6. 1 kg) and rack mountable packages. And because the NX4 6000 is so much more efficient than conventional designs, it runs cooler and doesnt require the massive heat sinks and heavy toroid transformers typically associated with its conventional counterparts. Thanks to our Zero Attack limiters that offer