Immerse in superior audio with this 5.1 speaker system, boasting a 1000W output through a 180mm subwoofer, center, front, and tallboy speakers. Equipped with a 48-bit S-Master amplifier, it supports Dolby Digital, DTS, and Dolby Pro Logic for a rich audio experience. Customization options include a bass boost function and two-way speakers for lifelike sound reproduction.

Connect effortlessly with HDMI, USB, audio inputs, microphone input, and Bravia Sync. Versatile compatibility with TVs, DVD players, CD players, MP3 players, and more. The DVD player handles one disc at a time, and the USB port allows direct connection for instant content enjoyment.

Key Features:
- 5.1 Channel Surround Sound
- 1000W Audio Output
- 48-bit S-Master Amplifier
- Dolby Digital, DTS, Dolby Pro Logic
- Multiple Connectivity Options: HDMI, USB, Audio Inputs, Microphone Input, Bravia Sync
- Compatible with TVs, DVD Players, CD Players, MP3 Players, and more

Technical Details:
- Brand: Sony
- Model: DAV-DZ640K
- Dimensions: 65.79 x 49.02 x 39.88 cm; 18.38 kg
- Special Features: 2-Way Speaker System, Monolithic-Design 5.1-ch System with DVD Player, USB Movie Playback, USB Music Record and Play Function
- Speaker Connectivity: Micro USB
- Batteries: Not included
- Weight: 18 kg 400 g

Note: Minor damage is visible on the speaker grilles of both floor-standing speakers, as shown in the image, while the drivers remain undamaged (to the best of my knowledge). The image depicting the damage is provided below.