The Sony MHC-GN1300D is a powerful 5.1-channel mini hi-fi system delivering a total of 905W RMS ( ). Key features include a 3-disc DVD/CD changer, dual cassette deck, MP3 playback, Karaoke functions, and specialized Game Sync mixing. It utilizes an S-Master Digital Amplifier for high-quality audio, supported by 2-way front speakers with dual woofers and a dedicated subwoofer. ONLY AMPLIFIER