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<blockquote data-quote="Prowler573" data-source="post: 1514531" data-attributes="member: 561023">Okay, Tom -Those particular drivers (Pioneer TS-W255C) use a single 4 Ohm voice coil. Since you have two of them you can wire them in parallel to create a 2 Ohm nominal load or wire them in series to create an 8 Ohm nominal load.<a href="http://www.crutchfieldadvisor.com/learningcenter/car/subwoofers_wiring.html?subs=2&amp;amp;impedance=SVC4" target="_blank">See here</a> for diagrams depicting wiring methods for both ~ the top diagram is two single 4 Ohm coil subs wired in parallel, the bottom diagram is the same subs wired in series.Is your amp the Punch 401S? If so then it is rated to output 400w @ 4 Ohms in bridged mode and is not stated to be stable at a lower impedence than that when bridged.So - if you&#039;re going to run the amp bridged my suggestion is to push a single sub with it rather than both of them. using both of them with the amp in bridged mode will either give you about 100w per sub if you wire them in series to an 8 Ohm load or potentially can burn up the amp with the subs wired in parallel to an impedence load lower than what the amp is rated for.</blockquote>

[QUOTE="Prowler573, post: 1514531, member: 561023"] Okay, Tom - Those particular drivers (Pioneer TS-W255C) use a single 4 Ohm voice coil. Since you have two of them you can wire them in parallel to create a 2 Ohm nominal load or wire them in series to create an 8 Ohm nominal load. [URL="http://www.crutchfieldadvisor.com/learningcenter/car/subwoofers_wiring.html?subs=2&impedance=SVC4"]See here[/URL] for diagrams depicting wiring methods for both ~ the top diagram is two single 4 Ohm coil subs wired in parallel, the bottom diagram is the same subs wired in series. Is your amp the Punch 401S? If so then it is rated to output 400w @ 4 Ohms in bridged mode and is not stated to be stable at a lower impedence than that when bridged. So - if you're going to run the amp bridged my suggestion is to push a single sub with it rather than both of them. using both of them with the amp in bridged mode will either give you about 100w per sub if you wire them in series to an 8 Ohm load or potentially can burn up the amp with the subs wired in parallel to an impedence load lower than what the amp is rated for. [/QUOTE]

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