As most of you who frequent the audio forum know, I resently installed new speakers, which rule. However, the low end is now lacking due to power demands.

Does anyone know of a speaker line-in 2 channel amp that puts out anywhere from 50 to 90 watts RMS? I want to keep my stock head unit.

Is there much faith in $30-60 amps? I see some online by such makers as Pyramid, Pyle, and Power Acoustik.

Another option entirely is to try out an Infinity BassLink. If that meets my low end need, then I'll be done, if not, then I'll still need an amp.

I just want to know of some amps that will work with the stock head unit and that can power my Infinity Kappas:

2 ohm, but work as 4 ohm with the stock deck
2-90 watts RMS (270 watts peak power)
frequency response: 45-35,000 Hz
sensitivity: 93 dB

 

I can't imagine you haven't looked at Crutchfield? I've limited this search to amps with speaker level inputs. I'm sure there are technical reasons to stay away from the really cheap amps and hopefully some audiophiles will chime in about sound quality ramifications. My experience is crap is crap and it's better to stay within a minimum quality threshold. Once you find some choices, eBay might be a good alternative to keep the price down. Also, you may get lucky with Craigslist.

As you know, I'll be following you in this endeavor pretty soon, and I'm hoping to get away with just speaker replacements as well. If I do need to get an amp, I am probably going 4 channel so that I don't cut off options for the rear speakers. Have you considered this? They cost a little more, but to me it's worth it.

 

I've looked on crutchfield, but it says any amp will work with our cars as long as you check mounting location. But I know this to be false because we don't have RCA hookups in back of the stock head unit.

 

The search I linked listed only amps with speaker level inputs, so all of them should work with our HU.

 

honestly id go ebay and stay away from the ones you listed, you can get a really good mtx amp for around 60 shipped ive got one of thier 200w ones mounted behind the right rear panel.

another brand to look for is kenwood

 

Does anyone know if an amp by Profile is any good?

http://www.crutchfield.com/App/Produ...9HA1040&tp=115


One other thing, would a speaker wire to RCA adapter do the same basic function as a line output converter? For that mater, could I take old RCA cables I have laying around and cut them to make the adapter?

 

technically yes, but you can also get those converters from walmart for about $10

 

I have decided that for something like an amp, you cannot skip out on cost. Therefore, I will save my pennies for the Infinity Reference 475a 4-channel amplifier.

I have found it for about $155 on Amazon. The wiring kit and line output converters will come from Best Buy. I have been getting a lot of information from a guy there. He has this amp and Infinity Kappas like me, he hooked it all up to his stock head unit and it works very well.

 

i still say for the price you might look into the mtx, ive got nothing against infinity had kappas in all my cars but the mini where i went polk, but $70 shipped for an mtx isnt bad, i love mine actually liked it so much i bought 2 to have matching amps. one 4channel, and one 2channel. now i just need another stereo alpine sucks

 

I have an old Alpine stereo that still rocks. It's a CDA 9855 model and the sound quality is great. The guy at the stereo corner has the same one in his car and says he loves his and wouldn't recommend that I buy another one to install in the MINI.
Maybe you just have a cheap Alpine, or some bad wiring?