OK, comparing Cherry MEGA MONO to Parasound JC 1 Halo (discontinued).  Both are monoblocks....
Power Output, continuous into 4Ω load
    Parasound: 800W
    Cherry: 900W
THD+N, 10W into 8Ω
    Parasound: <0.15%
    Cherry: 0.001%
SNR, A-weighted
    Parasound: 120dB
    Cherry: 120dB
Damping Factor
    Parasound: 1200 at 20Hz, not stated for rest of audio band
    Cherry: >400 at 0Hz-1kHz, >300 at 10kHz
Frequency Response
    Parasound: 2Hz to 120kHz (AC coupled)
    Cherry: 0Hz to 150kHz (DC coupled)
Input Impedance
    Parasound: 100k
    Cherry: 20k
Input Sensitivity
    Parasound: 2.2V (calculated)
    Cherry: 3.2V
Weight
    Parasound: 64 lbs
    Cherry: 42 lbs
Idle Power Consumption
    Parasound: 250W
    Cherry: 20W <-- more than 10x lower!
Sleep Mode Power Consumption:
    Parasound: no sleep mode
    Cherry: 8W
AC Fuse
    Parasound: 15A, 250VAC
    Cherry: none (15A circuit breaker)