Photo 1 of ERESGREAT Universal bass knob,bass knob for amp,Universal Bass Volume Knob with Extension Cable for Car Amplifier?Suitable for 4-pin bass knob?with 5M/16FT Cable

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Photo 1 of ERESGREAT Universal bass knob,bass knob for amp,Universal Bass Volume Knob with Extension Cable for Car Amplifier?Suitable for 4-pin bass knob?with 5M/16FT CablePhoto 2 of ERESGREAT Universal bass knob,bass knob for amp,Universal Bass Volume Knob with Extension Cable for Car Amplifier?Suitable for 4-pin bass knob?with 5M/16FT Cable