I suggest you check specs on that one. It's the average or continuous power that needs to be within range of your needed amperage draw. Nearly all P/S are marketed and labled as peak power and the average power can be up to 25% less.It is a pyramid 52 amp. Did not know that thank you for the info
My guess is your 52 amp psu is rated at 35 amps continuous giving you 17 amps of headroom. A 500 watt amp would be real close to the limit.
I should note that a 500 watt amp with Class C efficiency is what I'm referring to. An A/B class that's typically up to 60% efficiency would probably fall short.
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