#subwoofer

I have a pair of telza audio 12" subs for sale great condition never ran over the 1k RMS rating. I'm willing to ship just need to know a area so I can get pricing. Also willing to trade stuff If anyone wants to trade just lmk really looking 4 for deaf bounce AP-M67AC mid range speakers they go...

When should I replace my Alternator in my car? I have am extra battery in the back powering the 2 sub woofers and amps I have one amp that's a class d amp it's 3500 watts at 1 ohm and another amp that's a a/b amp that's 4 channel at 225 watts rms per channel. I'm thinking about upgrading the...