Hello. I have a few car hifi devices that are now about 2 years old. What value do these parts have? – Radio: PIONEER DEH-P6300R (Mosfet 50Wx4) – Amplifier: MAGNAT Classic 360 (Mosfet Technology) (4x140W) – Amplifier: ULTRA DRIVE (2x170W UDA 2/170) – Amplifier: LANZAR VIBERANT VIBE 225 (2 channel mosfet) (500W) – Car Speakers: 2x IMPACT Car Speakers (Watt= ?) (REF 6530 079 N° 001799) I would be very pleased if you would give me a price (value) for each enumeration. thank you MfG Monze