if anyone knows anything about these things can you tell me.

KENWOOD KA-56 integrated amp,

KENWOOD KR-A30 receiver

Kenwood KT-56 tuner,

Nikko NCD650 CD player,

Yamaha KX200U cass deck


i cant find out anything on it, i know there not good, but someone down my street is selling it all for 35 bucks. i cant get any specs. so if you know anything please tell me, im going to look tomorrow