Carver PM-2.0t Amp in fair condition. Mechanically noisy (fan and some transformer/swiching cap noise from chassis), but electrically quiet. At least according to my wicked cool McIntosh MPI-4 scope.
Has XLR and 1/4 inch balanced inputs, no rca.
600W stereo into 4ohms
1200W mono
Can be a good home theater amp as long as it’s in a utility closet so you don’t have to hear the fan noise. That’s obviously not an issue in a sound reinforcement environment.