Input Voltage: AC 220V or DC 12V.
Rated Power: 35w*2 at 4 ohm.
Stereo BTLx2 out, SPK out protection
THD: 0.3% at 1Kz, 1 Watts, 8 ohm (all channel).
Oversize High-grade power transformer
2 channel external Inputs.
FM Frequency: 87.5MHZ-108.5MHz
to pise u opisu pojacala, a i na zvucnicima pise sto se tice OMA samo 4, posto je na njemackom pa ne razumijem, snaga je valjda nominalna 50 w a maximalna 80 w.