I'm considering the following audio modifications to my car:
- JVC KD-NX5000 (w/ Sirius, Bluetooth, i-Pod connector and backup camera)
- JL Audio Stealthbox (Lotus Elise version)
- JL Audio TR400CXi (front speakers)
- JL Audio TR525-CXi (rear speakers)
I'm assuming the subwoofer goes to 80Hz or above, in which case the 4" JL Audio speakers have a frequency response from 71Hz to +22KHz. +/-3dB. this is the system JL Audio recommends for the Elise. Assuming JL Audio is using one of the conventional roll-off rates on their speakers, there shouldn't be any hole in the frequency response, and since ~80Hz and below is omnidirectional there won't be sound directivity issues with the subwoofer location.
I'm not sure about other issues though, such as whether the JVC KD-NX5000 has sufficient amplifier power to drive the front and back speakers. I'm familiar with home audio and if car audio isn't much different, then the setup should be perfectly fine unless I turn it up louder than a certain volume. The problem is, I don't know how that translates into volume inside a car. I'm also concerned with possible low Ohm issues, causing the speakers to draw too much power
This leads me to the following questions:
- Will I get sufficient volume and distortion free audio with this setup, especially if I want to listen to music with the top off of the car sometimes?
- Would I be better off adding a separate 4 channel car amp with more power (likely JL Audio as well)?
- Is all of this work, including a separate amp and backup camera as well as everything else, going to require any drilling into the car anywhere, or can it all be done without being invasive?
- Is a separate device required, such as the above mentioned 4 channel amp, to handle crossover concerns between the components?
- If a crossover is required, how does the 4 channel amp setup accommodate a subwoofer output?
I guess I can always try it out. The system should give sufficient power at low levels at least, and I can test out how loud it goes before distortion occurs, but if anyone has already been there and done it, it would be easier to get it all done in one shot. I'm also curious enough about all of this to set up ETF 5 and a mic in the car, at the driver's seat, to measure the frequency response via the auxiliary input jack and see if there are any egregious anomalies in the response.
This leads to one final question (for now at least...
):
- If there are problems in the frequency response, what do people recommend I use to fix those issues (beyond simple EQ)?
Thanks for any input.