inputs.text: great amp mids highs ten times better radio watts - recently purchased amp 525 component set 6x9s pleased results extensive research looking best least expensive four channnel amp mm series autotek worth buying set 174 volts 6x9s comes perfect 75 rms watts 152 volts 525s not let price fool puts clean sound watts true watts not peak bs companies advertise recomendation use good quality rca wires end whine speakers also shipped arrived standard shipping three days great one hundred dollar purchase