Not quite sure what you mean by "output power", but if you're referring to internal woofer amplification, there is none on these two models - they're driven by the external amp(s).
Specs for discontinued products may be found here.
Hola Barry. The models that offer powered woofers are: Vantage, Ethos, Spires, Montis and Summits. All other models are not self powered. Happy listening!