Signa S4

Released December 2021.5 Last checked 13 October 2026.

50 of 98 fields known.

At a glance

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System channel configuration: 3.1.22
Physical drivers in the package: 82
Physical drivers in the bar: 72
Up-firing drivers in the package: 22
Driver layout: Component Driver type Count Diameter (mm) Orientation
Soundbar Tweeter (left and right) 2 25 Front-firing
Soundbar Racetrack midrange (left and right), 120 × 40 mm 2 Not available Front-firing
Soundbar Full-range center 1 25 Not available
Soundbar Elevation (left and right) 2 66 Up-firing
Subwoofer Woofer 1 150 Down-firing
Source2
Separate subwoofer included: Yes2
Included subwoofer connection: Wireless2
Included subwoofer driver diameter: 150mm2
Rear speakers included: 02
Included rear speaker connection: Not available
Detachable rear speakers: Not available
Compatible optional subwoofers: Not available
Compatible optional rear speakers: Not available
Total RMS audio output power: Not available
Total peak audio output power: Not available
Published frequency response lower limit: Not available
Published frequency response upper limit: Not available

Component	Driver type	Count	Diameter (mm)	Orientation
Soundbar	Tweeter (left and right)	2	25	Front-firing
Soundbar	Racetrack midrange (left and right), 120 × 40 mm	2	Not available	Front-firing
Soundbar	Full-range center	1	25	Not available
Soundbar	Elevation (left and right)	2	66	Up-firing
Subwoofer	Woofer	1	150	Down-firing

Dolby Atmos: Yes2
DTS:X: No4
Supported audio formats: Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos3
Audio formats by connection: Connection Format
HDMI eARC Dolby Atmos
Source2
Music file formats: Not available
Max wired audio sample rate: 48kHz3
Max music file sample rate: Not available
Max wired audio bit depth: Not available
Max music file bit depth: Not available

Connection	Format
HDMI eARC	Dolby Atmos

Ports on the bar: Connector Count Version Role
HDMI 1 2.1 TV connection with eARC or ARC
Optical 1 Not available Digital audio input
3.5 mm audio 1 Not available Analog AUX audio input
USB-A 1 Not available Firmware updates
AC power 1 Not available Soundbar power input
Source2
HDMI ARC: Yes3
HDMI eARC: Yes2
HDMI-CEC: Yes3
HDMI video passthrough: No3
Video passthrough modes: Not available
HDR passthrough formats: Not available
VRR passthrough: Not available
ALLM passthrough: Not available
HDCP version: Not available
Bluetooth audio input: Yes2
Bluetooth version: 5.03
Bluetooth audio codecs: SBC3
Wi-Fi: Not available
Wi-Fi standard: Not available
Wi-Fi bands: Not available
Built-in Ethernet speed: Not available

Connector	Count	Version	Role
HDMI	1	2.1	TV connection with eARC or ARC
Optical	1	Not available	Digital audio input
3.5 mm audio	1	Not available	Analog AUX audio input
USB-A	1	Not available	Firmware updates
AC power	1	Not available	Soundbar power input

Published operating power: 40W3
Published standby power: 1.5W3
Published networked standby power: Not available
Power supply: Sound bar: AC 100 to 240 V, 50/60 Hz. The wireless subwoofer has its own power cord, AC 100 to 240 V, 50/60 Hz.3
Detachable rear battery life: Not available
Detachable rear charge time: Not available

We could not find any of these 8 fields. Show them

Front and side, drawn to scale.

Soundbar dimensions: Width1,046Height60Depth95mm(41.2 × 2.4 × 3.7 in)2
Soundbar weight: 2,900g(6.4 lb)3
Component dimensions and weight: Component Width (mm) Height (mm) Depth (mm) Weight (g)
Subwoofer 200 280 328 4,100
Source2
Package dimensions: Width1,117.6Height263.7Depth441.5mm(44 × 10.4 × 17.4 in)7
Package weight: 9,584g(21.1 lb)7
Wall mountable: Yes1 3

Component	Width (mm)	Height (mm)	Depth (mm)	Weight (g)
Subwoofer	200	280	328	4,100

In the box: Sound bar, Subwoofer, Remote control, Sound bar power cord, Subwoofer power cord, HDMI cable, Optical cable, 2 AAA batteries, Quick start guide, Registration card, Safety card, Wall mount template, Wall mount spacers1
Wall mount hardware included: Not available
HDMI cable included: Yes1
Optical cable included: Yes1