I've had mixed experiences with the quality of Monoprice. I was skeptical about these. But I got four of these and assembled them for use in an entire home audio system connected to a Denon HEOS SuperLink. They have all the features you need for a custom install like mine. HEOS turns them on with a trigger, and with a pass-through trigger on the amp, I can also turn my fans on when the amps are on. In standby mode, they turn on within 1-2 seconds of receiving a trigger signal. The rear layout is logical and uncluttered, allowing for quick installation. The rackmount kit is good and being able to mount two side by side is very nice. And these things are very powerful. I currently set the volume to about 3/5 which is too much for my rooms. I have to keep the variable control very low on the HEOS. I plan to bring the amps back by about 2/5 or 1/3 so I have more control over the HEOS app. Having only recently installed them I'm hesitant to give them 5 stars and I don't know what the longevity will be. If they go a decent amount of time without dying I'll come back and upgrade them to 5 stars. To be honest I did a lot of research and went through different iterations of my DIY whole house audio system. HEOS SuperLink paired with these amps is just amazing. I can't think of a better combination.
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