Default power-on state

[Steffen]

Can the P452/422 power-on state (i.e. when mains power is applied) be configured somehow, either as "on" or as "like it was when mains power was removed"?

 

[Alan March]

Hi @Steffen

There is not a selectable mode to do this, however you could use the trigger input to do this. The trigger input can accept a 12volt input from something like a small power supply. This could be left on so it will activate the amplifier following the mains status or even remotely switched by a wifi mains switch.

Eg:

https://www.amazon.com.au/Reversible-Universal-Regulated-Switching-Replacement/dp/B0CFVGHPX3/ref=mp_s_a_1_10?crid=WH0M971BJGK9&dib=eyJ2IjoiMSJ9.UD2QwS1mXe5sKV7Rtro7VN9O85p8KBW9v_6OMzv7q62EP0MPBzGbuTPDf3QYb0OkokdCbilL2A6IbjcWRf5jpGwDokmTEXPi9mxNQTqUWozG9ukJ3JK_cMeLDgmCrOW2ZBqk7krTXjdZ1z0OUy9hUszZmQjhJ_yhqXlSNuvthUlCFCnQHbyyhzgJ5TT13_m2XIHTxsPJTm6hbObDteaNGQ.AMTB4HkW600U5CmJ_Tc_lWEacA0wkq8wZJUdPJowD3U&dib_tag=se&keywords=12v+psu+with+3.5mm+jack&qid=1727776239&sprefix=12v+psu+with+3.5mm+jack%2Caps%2C295&sr=8-10

https://www.amazon.com.au/TP-Link-Tapo-Smart-Wi-Fi-Socket/dp/B08SJ7MLRR/ref=mp_s_a_1_9?crid=2C8T93GMV8X1T&dib=eyJ2IjoiMSJ9.-TYjL-du3MM7OMPeTvxJHYDaH91V43xzo6Gv1_13FOPJiRkCvoIaCghHIumCUgq0EAah961chDhY8stQHIqFl870XmiQ8ygQ1GTw6qC43GeIRWXFi5hQ-g_7yKWHdFpPUwJNka3aqc3Rb1QhiHNvDDPr2PPdHjzn3NQiHa_6qm-twwmM59l4pxGzkVwN8nCWOTjh3za8h2s5YYjobTruvA.M3o6uKHRooA6wAaxJa9QiAfyJq-iptMVxVWtuuzCutY&dib_tag=se&keywords=wifi+mains+switch&qid=1727776007&sprefix=wifi+mains+switch%2Caps%2C380&sr=8-9

 

[Steffen]

Great idea, thanks Alan. I forgot about the trigger port. I've got a HomeKit operated mains plug, and instead of controlling the power to the amp I'll simply plug in the 12V adapter. That seems kinder to the amp somehow