One channel (Output is a Sinus Wave) : 20 V peak to peak == 7,07 V RMS
One channel (Output is a Square Wave) : 20 V peak to peak == 10 V RMS
Two channels in series (as the Boost does) = 14,14 V RMS (Sinus) or 20 V RMS (Square).
2 Watt over a 50 Ohm load (at 10 V rms) or
1 Watt over a 50 Ohm load (at 7.07 V rms)
The Math is : P =U²/ R
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