- Biamp Systems REVAMP2150 - 2-channel class-D amplifier, 2x 165 W at 4 ohms, 1x 330 W at 8 ohms (bridged), 2 Euroblock line inputs balanced, 2 Cinch line inputs unbalanced, construction: 1 U, 19", fanless, dimensions (W x H x D): 483 x 44 x 239 mm, weight: 5.1 kg EUR 492.00 - See more - Buy online