I have a 960 kole 4 channel amp and i want to hook 2 fosgate twelves up to it i have them hooked up right now but they sound like **** it seems like thay r not getting power can i bridge it down to 2 channels so they get all the power the amp has or what maybe someone can give me some advice on what to do
First thing first does your 4 cahnnel amp match mate with your rf twelves? if it is try to bridge them. but make sure to adjust the gain to the lowest range as possible. tune your system and match the desired range for your bass and mids.
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re-check the speaker connections are correct and use a matching ohm test speaker on the other connections for a sound check. Sounds like hi frequency output into the sub amp. Sub-woofers are a mono signal!!
if setup 4 channel amp with low pass filter for the sub channel and other 2 channels for speakers with no filter, some amp you can use amp as 3 way if one or two subs, bridging output will give you more power for the sub. be aware that bridging 2x4ohm subs will give you 2 ohms and potentially damage the amp.
Hi, you have two choices for hooking up a sub to the 4160 amp. You can either connect your sub to one of the two available channels, or if the amp supports it, you can bridge channels 3 and 4 to get increased power to your sub. You have a 4 channel amp - channel 1 and 2 go to your 3-way speakers up front, which leaves channel 3 and 4 available for your sub.
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.
Well i tried looking up that amp, but Fosgate sight is down. So assuming that the best power out of your amp is 2ohms off the bridged hookup, and the subs are 4 ohms per coil, the best way is to only use one side of each speaker and hook it straight the the bridge. Only using one hook up wont hurt anything, its just for giving you wiring options. And when adding up ohms of speakers, it goes like this. If you had two 4 ohm subs, that'll give you a 2 ohm load. If you hooked up all your hookups, it would be like having four 4 ohm subs, and would give you a 1 ohm load.
Hey i have looked over many rockford manuals,(i own a 300.1 my buddy owns a 325.1) and for there mono(.1) amps there hooked together on the inside so channel A+ and B + are cencted on the inside the amp. So you ither hook one 2ohm sub to channel A or you can hook 1 4ohm subs to channel A and 1 4ohm sub to channel B. There 2ohm stable so any lower will eventualy burn the amp out.
1) 2 4-ohm subs
2) Appropriate enclosure
3) Amp wiring kit with RCA's
Connect each sub to a separate channel and set both mode switches to "MONO" (center position). In 2-channel mode, this amp is only rated at 80 Watts RMS, so you need relatively small and efficient subs. I'd say nothing bigger than 8" or perhaps 10". Rockford-Fosgate P1S48 (8") and R1S410 (10") will work OK with 50-150 watts RMS. Some others will also.
Remove the load from the amplifier (subs) and the RCAs
If the light stays on, there are internal problems with the amplifier, and it needs to be serviced.
If the amplifier works normally, attach the RCA's and power on again.
If it remains on, connect one sub, and then the other.
Your amplifier is a 2 channel amplifier rated at
60 Watt - 4 Ohm - 2 channel(s) 125 Watt - 2 Ohm - 2 channel(s) 250 Watt - 4 Ohm - 1 channel(s)
Your amplifier is not rated for a 2 ohm mono load. If you have Single voicecoil subs wired in parallel, you have a 2 ohm mono load - your amplifier will eventually fail.
This should work if channel 3 & 4 are bridged at 4 ohm.
channel 1 should be stable at 2ohm
channel 2 should be stable at 2 ohm
You can hook up the right side speakers together ( + with + and - with - ) . same thing with the left side. this will give you 2 ohm each channel. this will cause your amp to run hot (this might be tuff on the amp). It will give you right (2 speakers) and left ( 2 speakers ), no front and rear adjustement if you need to balance your sound. I think you should be better buying another amp for your sub and take your 4 channels for your 4 car speakers. this amp as a rca output that can feed the other amp ( sub amp ). it is possible to do it.