Polk Audio Signa S4 3.1.2-Channel Dolby Atmos Soundbar System SVS SB-1000 Pro 12" Sealed Subwoofer with Bluetooth App Control (Open Box) Precision gold-plated plugs are carefully

Precision gold-plated plugs are carefully attached with the very best solder

24 Rubber washers

Mounting: The speakers can be mounted in a metric 4"x6" opening or mounted in a U

or boat than your average DIN powersports receiver

Polk Audio Signa S4 3.1.2-Channel Dolby Atmos Soundbar System SVS SB-1000 Pro 12" Sealed Subwoofer with Bluetooth App Control (Open Box) Precision gold-plated plugs are carefullyPolk Audio Signa S4 3. 1. 2 Channel Dolby Atmos Soundbar System Enjoy a powerful and immersive home theater experience with the Dolby Atmos certified Signa S4 3. 1. 2 Channel Dolby Atmos Soundbar System from Polk Audio. The soundbar's 7 speaker array provides a wide soundstage that include a dedicated center channel for clear dialogue, and two up firing speakers to handle Atmos height channels for sound effects that sound like they are above you. The