High output stereo amplifiers with digital switch-mode design. Very lightweight construction in a sturdy 2U precision engineered housing. Fast and high power delivery, even at low frequencies, is made possible by the ultra-efficient Class H circuit design, which can be further protected by the integral clip limiters and high-pass filters for flawless and dependable operation. Overall, this is a high precision amplifier for high end applications. Class H, 2-step architecture. Compact and light weight. High efficiency, high output. Independent dual-level clip limiters. Independent dual-level high-pass filters. Stereo, parallel or bridge mono modes. Fully balanced signal path. Dual fan cooling. Soft-start on power up. Multi-level system protection.