Description Awesome power for long runs and big subs That's 600 real, clean, dynamic Watts to drive your music to levels your friends will be jealous of! The Parasound ZM2350 350 watts x 2 @ 8 Ω 600 watts x 2 @ 4 Ω 2 Ω stable for driving multiple speaker pairs Two pairs of speaker outputs with A/B buttons Lockout switch on rear panel to disable A/B buttons High pass filter, switchable for 30Hz or 80Hz Automatic on/off by 12V trigger w/ looping output Automatic on/off by audio signal Speaker level input enables integration with systems lacking preamp output jacks Parasound designed class AB input stage w/ premium Class D power stage Subwoofer mode for driving multiple in-wall subs without the need for an external crossover Mono mode combines L and R for single speaker applications Mono full range preamp output Subwoofer 80Hz, 24dB/oct. low pass preamp output Looping left and right output jacks Left and right input level controls Efficient, low heat design Short circuit and overload protection 0.5 watt standby power consumption meets EU and Energy Star requirements 2U rack mounting hardware is included in box