Splicing RCAs?
are you just trying to get signal from your stock head unit? if so I'd buy the box, but you can just splice into them and most amps have speaker level inputs now. they arent as good of a signal as rca's but they will work if you really dont want to buy the box.
The little box your refering to is a line level converter. It sounds way better to do the level converter than to try the high level inputs on an amp. In fact..most quality amps don't have high level inputs on them if thats any indication to how they sound. Do it right and use the line level converter through a good set of RCA's and then to the amp. Your ears will thank you!
Thats Correct ... need lil black box ... PAC makes a good one! 
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From: Little Rock, AR
The reason we recommend High levels is twofold...
1. Using the high level inputs, you have balanced architecture. Everyone for the past couple of years has been raving about balanced input. We realized the important noise rejecting capabilities of balanced inputs about 10 years ago. It's about time the rest of the industry caught up. :-)
2. Using the low level inputs doesn't always provide sufficient voltage to drive the sub to full output. Some radios simply have too weak of output on the RCA's to get full output.
3. With a lot of consumers installing our products themselves, it's easier for them to get to the rear speaker wires (in most cases) than to remove the radio.
I searched around a little bit and a guy that works for Bazooka posted this somewhere, I dont remember where. Any truth to this (besides 3 because its obvious). I hooked it with the hi-level for now and just tapped the signal from the sail panel subs. It sounds great (loud and clean) but if someone tells me it will sound a lot better using a line level converter then I will give it a try. Im not really a car audio guru so if its only a minor difference in quality then I probably wouldnt be able to tell. Any more opinions?
1. Using the high level inputs, you have balanced architecture. Everyone for the past couple of years has been raving about balanced input. We realized the important noise rejecting capabilities of balanced inputs about 10 years ago. It's about time the rest of the industry caught up. :-)
2. Using the low level inputs doesn't always provide sufficient voltage to drive the sub to full output. Some radios simply have too weak of output on the RCA's to get full output.
3. With a lot of consumers installing our products themselves, it's easier for them to get to the rear speaker wires (in most cases) than to remove the radio.
I searched around a little bit and a guy that works for Bazooka posted this somewhere, I dont remember where. Any truth to this (besides 3 because its obvious). I hooked it with the hi-level for now and just tapped the signal from the sail panel subs. It sounds great (loud and clean) but if someone tells me it will sound a lot better using a line level converter then I will give it a try. Im not really a car audio guru so if its only a minor difference in quality then I probably wouldnt be able to tell. Any more opinions?
