Wisdom Audio SA-3 Power Amplifier Home-Theater-Bundle Originally it meant ``Sound

Originally it meant ``Sound

Speaker Level Low Pass Filter:  12dB per octave continuously variable from 40 - 150 Hz

the RB-1590 enhances channel separation

giving you the clean and clear sound you want

Copper-Plated Plug Casings

Wisdom Audio SA-3 Power Amplifier Home-Theater-Bundle Originally it meant ``SoundWhile many contemporary amplifiers waste 50% or more of the power they pull from the wall as heat, the SA series amplifiers run at approximately 90% efficiency. As a result, more power is available for the loudspeaker, and less is wasted as heat in your room. The high efficiency of the SA series design also means that the amplifiers can be placed near each other, as in an equipment rack, without undue overheating.