Why? From the power consumption you can atleast make some assumptions about the actual power compared to the competitors.
(That rate it at 20-20000Hz, THD 0.0X%, 8Ω)
More meaningless stats:
140W + 140W (1kHz, T.H.D. 0.5%, 4Ω, 20kHz LPF)
70W + 70W (1kHz, T.H.D. 0.5%, 8Ω, 20kHz LPF)