I recently purchased a used Yamaha SW-45 subwoofer for 30€. I asked the seller if for an extra 10€ he could include the RCA cable, to save me a trip to the nea

I recently purchased a used Yamaha SW-45 subwoofer for 30€. I asked the seller if for an extra 10€ he could include the RCA cable, to save me a trip to the nearest mall / Amazon locker. He tried to sell me a 40€ "high quality" cable...