Car Audio DSP BTS880 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, 31-Band RCA Auxiliary Input and High Level Speaker Inputs DSP Bluetooth Equalizer Amplifier

Car Audio DSP BTS880 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, 31-Band RCA Auxiliary Input and High Level Speaker Inputs DSP Bluetooth Equalizer Amplifier

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hardknockcock posted on r/carav1w

https://www.amazon.com/dp/B0G4495GMF With this you could easily upgrade to a helix dsp in the future and you can do active tweeters+subwoofer