About these itemsImmersive stereo sound: Available in 2.0 channel (with precise left and right channels) or 2.1 channel (including a subwoofer, left, and right channels) options, delivering authentic, layered audio. With max power ranging from 80W to 120W and rated power from 15W to 50W, they produce both impactful movie effects and detailed music melodies.Versatile connectivity: Support Bluetooth 5.0 wireless connection and wired options like AUX, and USB, making it easy to connect to TVs, phones, or computers. Enjoy seamless audio without complex setup.Adjustable sound modes: Offer three modes to suit different needs-Movie mode enhances surround sound, Music mode brings out rich musical details, and News mode clarifies vocals for clear content delivery.Convenient dual control: Feature both remote and button controls. The remote allows adjusting volume and switching modes from a distance, while button controls enable quick adjustments when near the speaker.Space-saving designs: Come in various compact sizes (17.72' to 35.43' in length) to fit neatly in any space. Some are detachable for flexible placement (combined or separate), and most can be wall-mounted or placed on tables/TV stands, saving space while complementing room decor. Select models add ambient lights with multiple color and rhythm options to enhance the mood.Key DifferencesThe main differences are in channel configuration (2.0 vs. 2.1 with a subwoofer), power (80W max/15W rated for 2.0 models vs. 120W max/50W rated for the 2.1 model), dimensions (17.72' to 35.43' in length), design features (some 2.0 models are detachable or have ambient lights, others are compact fixed), and package contents (detachable models include mounting bases and connection cables, while others have varying inclusions like power adapters).SpecificationsLK-SS825-8: Item Model Number LK-SS825-8; Voltage/Frequency AC 100-240V, 50/60Hz; Rated Power 15W; Maximum Output Power 80W; Net Weight 3.44 lbs/1.56 kg; Dimensions for Two Single-Row Connections 31.5 x 2.48 x 2.6' /800 x 63 x 66 mm; Dimensions for Two Units Mounted Separately on the Base 4.13 x 3.94 x 16.54' /105 x 100 x 420 mmLK-S819-4: Item Model Number LK-S819-4; Voltage/Frequency AC 100-240V 50/60Hz; Rated Power 15W; Maximum Output Power 80W; Net Weight 2.38 lbs/1.08 kg; Product Dimensions 17.72 x 2.95 x 3.15' /450 x 75 x 80 mmLK-S707-6: Item Model Number LK-S707-6; Voltage/Frequency AC 100-240V, 50/60Hz; Rated Power 15W; Maximum Output Power 80W; Net Weight 3.04 lbs/1.38 kg; Product Dimensions 23.62 x 2.6 x 3.19' /600 x 66 x 81 mmLK-S802-8: Item Model Number LK-S802-8; Voltage/Frequency AC 100-240V 50/60Hz; Rated Power 15W; Maximum Output Power 80W; Net Weight 3.42 lbs/1.55 kg; Product Dimensions 31.5 x 2.72 x 3.03' /800 x 69 x 77 mmLK-S810-9: Item Model Number LK-S810-9; Voltage/Frequency AC 100-240V 50/60Hz; Rated Power 50W; Maximum Output Power 120W; Net Weight 4.3 lbs/1.95 kg; Product Dimensions 35.43 x 3.15 x 2.95' /900 x 80 x 75 mmPackage ContentLK-SS825-8: 1 x Sound Bar, 1 x User Manual, 1 x Power Adapter, 1 x Remote Control (Battery Not Included), 1 x Audio Cable (1 m), 2 x Mounting Bases, 2 x Speaker Connection CablesLK-S819-4: 1 x Sound Bar, 1 x User Manual, 1 x Remote Control (Battery Not Included)LK-S707-6: 1 x Sound Bar, 1 x User Manual, 1 x Remote Control (Battery Not Included)LK-S802-8: 1 x Sound Bar, 1 x User Manual, 1 x Power Adapter, 1 x Remote Control (Battery Not Included)LK-S810-9: 1 x Sound Bar, 1 x User Manual, 1 x Power Adapter, 1 x Remote Control (Battery Not Included)All-in-one 32-inch