SoundTouch 300 soundbar:38.5" W x 2.25" H x 4.25" D (10.4 lbs) Rear of the soundbar 1 HDMI™ output with Audio Return Channel (ARC) 1 HDMI input 1 optical digital audio connection 1 power input 1 Ethernet port for SoundTouch and software updates via a network 1 3.5 mm jack for ADAPTiQ system setup 1 3.5mm jack to hardwire the bass module 1 micro-USB connection Supported audio formats: Dolby Digital, DTS Video source compatibility: HDMI and 4K pass-through Dimensions/weight SoundTouch 300 soundbar:38.5" W x 2.25" H x 4.25" D (10.4 lbs) Inputs and outputs Rear of the soundbar 1 HDMI™ output with Audio Return Channel (ARC) 1 HDMI input 1 optical digital audio connection 1 power input 1 Ethernet port for SoundTouch and software updates via a network 1 3.5 mm jack for ADAPTiQ system setup 1 3.5mm jack to hardwire the bass module 1 micro-USB connection Additional details Supported audio formats: Dolby Digital, DTS Video source compatibility: HDMI and 4K pass-through Brand Bose SKU 127882_NP-1020361056 Model SoundTouch 300