Ummm, I'll need to find it but there is a discussion somewhere else a about sub that is direct swap.
I have a "Yatour BTA" in my BP's that have a Mcintosh system that I got on Aliexpress. Chinese unit that is half the price of an AnyCar unit and works great.
McIntosh Sub replacement
in Legacy & Outback
Posted
Was this the one you bought?
https://tinyurl.com/y9fw7nyw
Seems to be the only one on Aliexpress with the correct plug?