LRx 5.1k, 1500W (RMS), five channel: featuring hybrid design, this is the specialist amplifier for front + rear + subwoofer or multiamplified front + subwoofer systems. Its high-quality AB Class output stages provide two channels with 250W (RMS), combined with another pair of channels rated at 50W (RMS), perfect for active two-way front speaker systems. The D Class mono section provides 900W (RMS) for dynamic, powerful subwoofer output.