Good to know!COLD.
If your Monique 700 or 2500 amplifier or any other Class D amplifier is stored very cold, (Like in the back of a van in Buffalo in the Winter) you need to be careful that moisture is not condensing on it before you turn it on. A very wise customer contacted me when he realized that water droplets were forming on his amp. "Is it OK to turn on?." NO.
Don't turn any electronic gear on if water is condensing on it. Warm it up slowly, maybe a fan to speed the process up, before powering up.
Even for a few days, it would be difficult!!