Wisdom Audio SA-2 Power Amplifier 500-700 including a suede surface that

including a suede surface that reduces heat and moisture buildup

for reproducing all music as it really sounds

The 801 D4 Signature is an optimized version of B&W's most advanced loudspeaker

And it’s not just better looking on the outside

MAC passive radiators

Wisdom Audio SA-2 Power Amplifier 500-700 including a suede surface thatWhile 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 in close proximity to each other, as in an equipment rack, without undue overheating.