QSC SPA2-200 2-Channel 200W Power AmplifierThe SPA2 200 from QSC is a 2 channel, 200W power amp that delivers up to 200W per channel into Low Z loads. When two channels are bridged providing up to 400W rms into 4 or 8 ohms, they can be switched into 70V or 100V direct drive mode, providing up to 350 watts rms into a mono 70V or 100V output. Like the other SPA models, the SPA2 200 boasts an integrated 80Hz high pass filter, which is engaged when in 70V or 100V mode.