These SW Capacitors are top quality. Don't lose power when you crank up the tunes with a new Capacitor. Have a good time with SW Capacitors. An upgraded Capacitor will keep the power flowing where it needs to when the sound is up. SW Capacitors are a no-brainer. Don't let your stereo receive all the juice by installing an improved Capacitor. A new Capacitor is an essential stereo enhancer.