Well let me see where to start... i have a jensen 650 watt dual channel amplifier...i have had it for about 2 years and well the other day i was just driving along and it completly cut out on me and now i cant get it to work...my fuses are not blown the 2 on amp and 1 on battery, my wires are all correctly connected im bumfuzzled to say the least...The over heat / short light is not on meaning there is no short in the circutry....The one problem i did have was at one point my power cable did disconnect and when i reconnected it did spark but other then that i checked my ground no problem there, the power does get to the amp my little blue light comes on...i just really dont have a clue wht the issue could possibly be....perhaps someone here has a solution or can help me figure out the actual problem?? well in best regards i hope this can be solved..
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Pace posted on Saturday, March 05, 2005 - 01:08 GMT Your subs are dual 4 ohm voice coils so if you want to bridge your 2 channel amplifier to your two subs then wire them parallel, meaning the + to + and - to - ( Do this to both subwoofers), Then run a wire from one positive and one negative on each sub and bring the two positives together and the two negatives together and hook both positives to the far positive connection on your amp and connect both negatives to the other negative on your amp,
This will create a 4 ohm load on your amp.
Although if it's a two channel and you have two subs it's usually pointless to bridge them because if you use one channel per subwoofer its going to be the same as if both subs were bridged. example) 800 watts x 1 bridged power of your amplifie (4 ohms) is the same power as 400 watts x 2 at 2 ohms.
if you bought that equipment today then your answer is yes your amp will power the subs but if i was you and you want more bass I would go with a two channel amp or even a mono block amp that will be 1 ohm stable and if you decide to do that you might want to get subs that are dual 4 ohm voice coils and run them in series that will get you 1 ohm of resistance
I would recommend you purchase a brand name 600watt RMS amp instead of a Jensen 1200 watt peak amp. Trust me you will notice the difference. Try a kicker, hifonics, MTX, audiobahn Autotech... Its not the watts its the quality of the watts..
Your question appears under the product listing for the Dual XPA4100 but the in the text you say the amp is actually a Jensen, so it's not possible to provide specific connection information.
But most bridgeable amps can be connected to a single subwoofer and the other two channels used to drive a set of regular speakers. I'd connect the front speakers to channels 1 and 2 and wire the subwoofer to the bridge connections of channels 3 and 4. On the XPA4100, the bridge terminals are the first (negative) terminal on channel 4 and the last (positive) terminal on channel 3.