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)