MODEL# VIBE211 2 Channel 360 Watts High Power MOSFET Amplifier MODEL# VIBE221 2 Channel 600 Watts High Power MOSFET Amplifier MODEL# VIBE231 2 Channel 800 Watts High Power MOSFET Amplifier MODEL# VIBE236 2 Channel 1000 Watts High Power MOSFET Amplifier MODEL# VIBE241 2 Channel 1000 Watts High Power MOSFET Amplifier   MODEL# VIBE246 2 Channel 1200 Watts High Power MOSFET Amplifier   MODEL# VIBE251 2 Channel 1600 Watts High Power MOSFET Amplifier MODEL# VIBE256 2 Channel 1600 Watts High Power MOSFET Amplifier MODEL# VIBE261 2 Channel 2400 Watts High Power MOSFET Amplifier MODEL# VIBE266 2 Channel 2000 Watts High Power MOSFET Amplifier MODEL# VIBE276 2 Channel 2400 Watts High Power MOSFET Amplifier MODEL# VIBE286 2 Channel 4000 Watts High Power MOSFET Amplifier   MODEL# OPTI4000D Competition Class Mono Block Digital Amplifier MODEL# OPTI400X4HC 3200 Watt 4 Channel High Current Power Amplifier MODEL# OPTI500X2 1000 Watt 2 Channel Competition Class Amplifier   MODEL# OPTI6000D 6000 Watt Competition Class Mono Block Digital Amplifier MODEL# OPTI600X2HC 2400 Watt 2 Channel High Current Power Amplifier MODEL# VIBE1000.1D 1000 Watt Mono Block MOSFET Digital Power Amplifier MODEL# VIBE1800D 1800 Watt Mono Block MOSFET Digital Power Amplifier   MODEL# VIBE700.1D 700 Watt Mono Block MOSFET Digital Power Amplifier MODEL# VIBE600D 1000 Watt Mono Block MOSFET Digital Power Amplifier MODEL# VIBE531 4 Channel 1600 Watts High Power MOSFET Amplifier MODEL# VIBE436 4 Channel 2000 Watts High Power MOSFET Amplifier MODEL# VIBE431 4 Channel 1200 Watts High Power MOSFET Amplifier MODEL# VIBE416 4 Channel 1000 Watts High Power MOSFET Amplifier MODEL# VIBE421 4 Channel 1000 Watts High Power MOSFET Amplifier MODEL# VIBE426 4 Channel 1600 Watts High Power MOSFET Amplifier