This preamplifier is the first in the new range of multi-channel equipment from Electrocompaniet. The EC4.9 uses the new EC serial standard SPAC, (Serial Power Amp Control) for controlling the Power amplifier. In combination with one
AW3×120, and one AW2x120, the new multi channel power amplifiers, it's possible to switch from a 120W multi channel system to 2×400W two-channel system. All fully controlled from the new Remote Controller ECT2