Question about JBL Car Audio & Video

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I have a jbl W15GTi MKII 15 inch and on the speaker it has to a a an b side and two wires no each side how do you hook it up

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Contrary to the other response, which isn't correct, the GTI does not have a normal wiring method like most dual voice coil subs.

A standard DVC sub has a positive and a negative on each side of the sub. The W15GTI mk2 has two positives on one side, and two negatives on the other, with large jumpers on each side. This means you run one wire to each side, and the bridge on each side relays the signal to the other coil. As it's a dual 6 ohm (yes, it's not a generic dual 4 ohm speaker), you get a 3 ohm load if you run it parallel. Which means using the jumpers as they come standard, with one wire to each side of the sub. If you were using a 2 channel amp to it, and if that 2 channel amp cannot be bridged mono, you would have to remove the bridges on the sub and wire it that way. This would be far less than optimal, as subs should always be run mono off a single or bridged channel.

I realize this is a necro but it was high up on a google search, and as someone that owns this sub, I thought I should correct the prior response which was misleading.

The JBL W15GTI mk2 is very much the opposite in wiring compared to most subs. You're woofer should have come with a manual explaining this (or at least mine did), and if not I think the JBL website explains it with a pdf manual that you can download.

Posted on Jan 30, 2009

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Your speaker has dual voice coils. You can hook it up so that it is 2 ohm or 4 ohm depending on wat the amp can handle. You can try hooking it up by matching the colors or like any other speaker.

Posted on Jun 07, 2008

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