I get all of the tone that I need

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They cut through great and have plenty of low end so I'm quite pleased. Around the time when I got the LK I also took a new approach to my amp settings and became more aggressive with my overdrive and BAM the tone I was after finally took shape. Unfortunately my two 4003's sounded thin compared to the 4004's so I went the 4004 route and haven't looked back since.