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Car Audio Help
Wiring, Electrical & Installation
Fresh install poor performance
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<blockquote data-quote="PixleAxle" data-source="post: 8747075" data-attributes="member: 683101"><p>Hello I am just getting into car audio and I have run into a major problem after full install into my Kia Optima 2015. My subwoofer has very low output even when playing songs at a high volume. I have the gain set at half and I need bass boosters to get any reasonable kind of output. I learned that bass boosters can be damaging so I turned them off. When I play songs at high volume, the cone barely moves and the side speakers easily overpower the sub. I am almost certain that my wiring is correct. I also confirmed that the ground is not the problem because I ran a 4 gauge wire directly from battery to amp for testing. I bought the sub, amp, box, and wiring in one kit so they are compatible. Please help! I have not changed any wiring in the box as it is connected at 1 ohm at subwoofer.</p><p></p><p><strong>Amp:</strong> Rp-800.1d 800 watt monoblock at 1 ohm</p><p><a href="https://www.skaraudio.com/products/rp-800-1d-car-amplifier" target="_blank">https://www.skaraudio.com/products/rp-800-1d-car-amplifier</a></p><p></p><p><strong>Sub(PreLoaded):</strong> SDR-12 12" 600 watt rms at 1 ohm</p><p><a href="https://www.skaraudio.com/products/sdr-12-inch-car-subwoofer" target="_blank">https://www.skaraudio.com/products/sdr-12-inch-car-subwoofer</a></p><p></p><p><strong>HeadUnit</strong>: sony xav-ax1000</p><p><a href="https://www.crutchfield.com/p_158XAV1000/Sony-XAV-AX1000.html" target="_blank">https://www.crutchfield.com/p_158XAV1000/Sony-XAV-AX1000.html</a></p><p></p><p><strong>Speakers(4 total):</strong> JBL GTO629 6.5 inch Co-Axial Speaker</p><p><a href="https://www.amazon.com/dp/B00ANIECRQ/?tag=caraudiocom-20" target="_blank">https://www.amazon.com/dp/B00ANIECRQ/?tag=caraudiocom-20</a></p><p></p><p><strong>WireKit: </strong>4 gauge ofc</p><p><a href="https://www.skaraudio.com/collections/amplifier-wiring-kits/products/skar4anl-ofc-4-gauge-amplifier-wiring-kit" target="_blank">https://www.skaraudio.com/collections/amplifier-wiring-kits/products/skar4anl-ofc-4-gauge-amplifier-wiring-kit</a></p></blockquote><p></p>
[QUOTE="PixleAxle, post: 8747075, member: 683101"] Hello I am just getting into car audio and I have run into a major problem after full install into my Kia Optima 2015. My subwoofer has very low output even when playing songs at a high volume. I have the gain set at half and I need bass boosters to get any reasonable kind of output. I learned that bass boosters can be damaging so I turned them off. When I play songs at high volume, the cone barely moves and the side speakers easily overpower the sub. I am almost certain that my wiring is correct. I also confirmed that the ground is not the problem because I ran a 4 gauge wire directly from battery to amp for testing. I bought the sub, amp, box, and wiring in one kit so they are compatible. Please help! I have not changed any wiring in the box as it is connected at 1 ohm at subwoofer. [B]Amp:[/B] Rp-800.1d 800 watt monoblock at 1 ohm [URL]https://www.skaraudio.com/products/rp-800-1d-car-amplifier[/URL] [B]Sub(PreLoaded):[/B] SDR-12 12" 600 watt rms at 1 ohm [URL]https://www.skaraudio.com/products/sdr-12-inch-car-subwoofer[/URL] [B]HeadUnit[/B]: sony xav-ax1000 [URL]https://www.crutchfield.com/p_158XAV1000/Sony-XAV-AX1000.html[/URL] [B]Speakers(4 total):[/B] JBL GTO629 6.5 inch Co-Axial Speaker [URL]https://www.amazon.com/dp/B00ANIECRQ/?tag=caraudiocom-20[/URL] [B]WireKit: [/B]4 gauge ofc [URL]https://www.skaraudio.com/collections/amplifier-wiring-kits/products/skar4anl-ofc-4-gauge-amplifier-wiring-kit[/URL] [/QUOTE]
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