![Polk_Signa_S4_In-Situ_087 Polk Signa S4](https://restechtoday.com/wp-content/uploads/2021/12/Polk_Signa_S4_In-Situ_087.jpg)
Polk Audio Introduces the Signa S4 Dolby Atmos Sound Bar System
Polk Audio has developed its first Dolby Atmos sound bar system, the Signa S4, which features seven drivers, including two upward-firing speakers. When paired with the included wireless subwoofer, the