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Message: <blockquote data-quote="Izso" data-source="post: 1064384677" data-attributes="member: 2429">Aiyo.. suggest you learn up how subs and all work before spending hard earned money on a sub. It doesn't work that way.<a href="http://www.hertzaudiovideo.com/E4B08655-0010-4B07-A807-6E73F79CFF02/FinalDownload/DownloadId-CB8F1A458FF2625241A5A9D7FA965C28/E4B08655-0010-4B07-A807-6E73F79CFF02/doc/hertz_ep4_tech_eng.pdf" target="_blank">http://www.hertzaudiovideo.com/E4B08655-0010-4B07-A807-6E73F79CFF02/FinalDownload/DownloadId-CB8F1A458FF2625241A5A9D7FA965C28/E4B08655-0010-4B07-A807-6E73F79CFF02/doc/hertz_ep4_tech_eng.pdf</a>That's the tech details of the amp. If you look at the power ratings, it's rated at 14.4v so that means the power in our cars (Japanese cars rated at 13v give or take) will be lower. Look at the 4 channels, focus on 190w x 1 (4ohm). That's how much power it can deliver as a single channel. Meaning you take 2 channels, bridge them to be a single channel. Why single? Cuz your sub is a single speaker so that's just one channel. Also 4ohms means the sub must be able to run at 4ohms. There are 3 types of subs, single voice coil, double voice coil and active subwoofer. The active one is the simplest since they come amplified and can fit under your seat. Single voice coil woofers only have one coil and are usually wired up at 4ohm. *Usually* SVC subs are musical and very soft going, not very hard thumping. The dual voice coils are usually larger and most cases more powerful. But need more to drive them. Usually they come in 2 x 4ohm voice coils or 2 x 2ohm voice coils. So depending on what type of DVC sub you buy, this Hertz amp might not be able to match it since it supports 4ohm.So yes - the power it can give is low (190w at 14.4v, meaning at 13v it's about 150w only) and that's kinda low for a sub, but what kind of sub bass do you want? My JLW6v2 works with 300w power and I'm feeding it way more than that. The kind of thump I get works great with my dance trance type of music.Too many things to think about. Don't blindly blow your money on an install without understanding it.And you can do better than the Hertz amp. Your budget seems relatively healthy so shop around and try to find a 4 channel that can do better.</blockquote>

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