Panasonic stereo with sub-woffer ?

Great Stereo System in a good condition. Can go very loud.... Subwoffer aswell. Panasonic SC-AK520 5 Disc CD Changer MP3, CD-R & CD-RW playback with re-master function Twin Auto Feather Touch Cassette Deck Optical Digital Output 3-way Bi-amp speakers Built In RDS FM/AM Tuner with 30 presets 420W RMS output External Subwoofer Dot-Matrix FL Display with ID3 Remote Control slight wear 75 ono