Gem Sound XP-350 Stereo Rackmount Power AmpNotes 200W peak @ 8 ohms 400W peak @ 4 ohm 100W RMS @ 8 ohms stereo 175W RMS @ 4 ohms stereo 450W RMS @ 4 ohms mono bridged RCA and balanced XLR inputs With mono stereo operation and plenty of power for punchy sound, the Gem Sound XP 350 Stereo Power Amp, exclusively available here, will find a permanent home in your rack. It packs up to 450W @ 4 ohms in mono bridged mode, 100W @ 8 ohms stereo, and 175W @ 4 ohms stereo. It has RCA and balanced XLR