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Any reason why I can't use this QSC amplifier (https://www.qsc.com/live-sound/products/power-amplifiers/pld-series/pld42/) to drive some 2 ohm Focal Midwoofers (https://www.focal-america.com/product/165-w-rc/). My primary concern is the wattage difference is pretty large, I'm reading it doesn't matter but i wonder about hiss or power on / off pops

The reason I'm entertaining this is because i want a versatile bench test / DSP practice / general AV use in home setup that accepts 2 ohms. Almost all home receivers / home amplifiers don't do 2 ohms unless you spend over $2,000.

Currently I'm using a cascade audio engineering aps-55 and my previous car's amplifiers. But I'd like to use something that doesn't require thick gauges of cable sitting around in the living room. It's not a currently elegant solution and i'm a little hesistant of leaving plugged in for long periods of time unsupervised indoors when it was designed for a different environment.
 

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Probably some D-class PA amps would work at 2 ohms stereo.....
Im using Crest Audio amps for my bass - bridged to each driver (JBL 2226) but those are 8 ohms drivers (Bridged amp - 4 ohm regime) without any problems, and amp is still running cold with help of 4" fan that cool down amps heatsinks
 

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Probably some D-class PA amps would work at 2 ohms stereo.....
Im using Crest Audio amps for my bass - bridged to each driver (JBL 2226) but those are 8 ohms drivers (Bridged amp - 4 ohm regime) without any problems, and amp is still running cold with help of 4" fan that cool down amps heatsinks
Bet that is awesome
 
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