Newb with sound systems
If it's an aftermarket amp then you may just have the speaker out of phase (wired in reverse of the other speakers). Switch the positive and negative wires and see if the sound improves.
If it's an aftermarket amp then you may just have the speaker out of phase (wired in reverse of the other speakers). Switch the positive and negative wires and see if the sound improves.
You don't have the wrong speakers - you have the wrong amp. The JX500/1D is a class D subwoofer amp. It is low pass filtered to produce a frequency range of only 10Hz - 150Hz so you'll only get bass to your full range door speakers. Without the higher frequencies, the speakers will appear to be much quieter even though they are getting the same power (it takes a lot more power to produce the same volume in lower frequencies than it does in higher frequencies). That amp would be more suitable for the sail panel subs that came with the Monsoon system (if you still have them), but it is definitely not for the doors.
You don't have the wrong speakers - you have the wrong amp. The JX500/1D is a class D subwoofer amp. It is low pass filtered to produce a frequency range of only 10Hz - 150Hz so you'll only get bass to your full range door speakers. Without the higher frequencies, the speakers will appear to be much quieter even though they are getting the same power (it takes a lot more power to produce the same volume in lower frequencies than it does in higher frequencies). That amp would be more suitable for the sail panel subs that came with the Monsoon system (if you still have them), but it is definitely not for the doors.
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No, you could not move those speakers to the back later (well, technically you could but they would sound worse than they do in the door). They won't fit in the hatch area and the sail panels are designed to have subwoofers rather than the full range speakers you bought. Plus the Firebird has dual voice coil subs in the sail panel, so there are two pair of wires while your speakers only accept one pair.
No, you could not move those speakers to the back later (well, technically you could but they would sound worse than they do in the door). They won't fit in the hatch area and the sail panels are designed to have subwoofers rather than the full range speakers you bought. Plus the Firebird has dual voice coil subs in the sail panel, so there are two pair of wires while your speakers only accept one pair.
Remember that the Monsoon system used somewhat unique dual voice coil (DVC) subs in the sail panels so you'll want to find equivalent replacements. Disconnecting them will remove most of the bass you get from the system so replacing them will definitely sound better. The most popular DVC 6.5" subs are the Bazookas sold by Kee Audio. They're about $100 for a pair and are good enough that many people have replaced undamaged factory speakers with them to gain better sound and more power handling capability. You can find a couple of cheaper models like Pyle (pyle of crap) for only $17 each. I've heard good things about Skar but I've never heard them myself and they're $60 each. Then there's bigger name brands like Kicker but the price goes up from there.
Just remember that you're looking for 6.5"-6.75" 4-ohm Dual Voice Coil (DVC) subs. The Monsoon amp will not handle DVC 2-ohm subs. And watch out for overall mounting depth - I think there's only 2-7/8" - 3" depth available. Deeper speakers can be installed but only by using a spacer.
Remember that the Monsoon system used somewhat unique dual voice coil (DVC) subs in the sail panels so you'll want to find equivalent replacements. Disconnecting them will remove most of the bass you get from the system so replacing them will definitely sound better. The most popular DVC 6.5" subs are the Bazookas sold by Kee Audio. They're about $100 for a pair and are good enough that many people have replaced undamaged factory speakers with them to gain better sound and more power handling capability. You can find a couple of cheaper models like Pyle (pyle of crap) for only $17 each. I've heard good things about Skar but I've never heard them myself and they're $60 each. Then there's bigger name brands like Kicker but the price goes up from there.
Just remember that you're looking for 6.5"-6.75" 4-ohm Dual Voice Coil (DVC) subs. The Monsoon amp will not handle DVC 2-ohm subs. And watch out for overall mounting depth - I think there's only 2-7/8" - 3" depth available. Deeper speakers can be installed but only by using a spacer.
Yes, if you replace the Monsoon amp with a good aftermarket one then you can also replace the sail panel subs with full range speakers. That will significantly change the overall sound. Subs produce low frequency sound which is much more difficult for the human ear to locate - you hear it but you can't always tell where it's coming from. That fills in the sound with bass but still leaves the primary sound source up front in the doors. Audiophiles will tell you that having a front sound stage is important - it's more like a concert with the stage in front of you. On the other hand, having full range speakers both in front and in the sail panels produces more of that surround sound feeling which many people really like, even if it's not "realistic". It's all a matter of personal preference - it's your car, go with the sound that you like best and don't worry about what the "experts" say (including me).
Yes, if you replace the Monsoon amp with a good aftermarket one then you can also replace the sail panel subs with full range speakers. That will significantly change the overall sound. Subs produce low frequency sound which is much more difficult for the human ear to locate - you hear it but you can't always tell where it's coming from. That fills in the sound with bass but still leaves the primary sound source up front in the doors. Audiophiles will tell you that having a front sound stage is important - it's more like a concert with the stage in front of you. On the other hand, having full range speakers both in front and in the sail panels produces more of that surround sound feeling which many people really like, even if it's not "realistic". It's all a matter of personal preference - it's your car, go with the sound that you like best and don't worry about what the "experts" say (including me).







