The Samsung 3.1 Channel Sound Bar Model HW-B650 comes with the following features and specifications:

• Audio Channels: 3.1 channel system with a dedicated center speaker for clear dialogue and a powerful wireless subwoofer.

• Total Power Output: 430 watts.

• Sound Technology: Dolby Digital 5.1 and DTS Virtual:X for immersive virtual 3D surround sound without the need for additional speakers.

• Drivers: Six drivers in the soundbar powered by a 250-watt amplifier.

• Subwoofer: Wireless 6-inch woofer with 180-watt built-in amplifier and bass-reflex ported enclosure for deep bass.

• Sound Modes: Bass Boost, Surround Sound Expansion, Game Mode, Adaptive Sound Lite that adjusts audio per scene, and Standard mode.

• Connectivity: 1 HDMI input, 1 HDMI output (ARC supported), 1 optical digital audio input, USB port for audio playback.

• Wireless: Bluetooth built-in for wireless music streaming with Bluetooth Multi Connection supporting two paired devices simultaneously.

• Controls: Includes remote control and supports Samsung TV One Remote function.

• Additional Features: Wall-mount kit included, ENERGY STAR certified for energy efficiency.

• Dimensions: Soundbar approximately 40.6" x 2.4" x 4.2" (W x H x D), subwoofer approximately 7.3" x 13.6" x 11.9" (W x H x D).

• Weight: Soundbar about 6.8 pounds; subwoofer about 11.2 pounds.
  

This soundbar is designed to enhance TV audio with richer bass and clearer dialogue, delivering a cinematic experience for movies, music, and gaming.