HiFi SPECS

Soundbar with a subwoofer · Released 2018

Polk Audio Signa S2

25 of 34 specs confirmed at the source Confirmed means we found the value on the maker's own page or spec sheet. Reported means it comes from a listing or a review site. Unverified means we have not confirmed it at the source yet. Updated Nov 3, 2026

Channels
2.1
In the box
Wireless subwooferincluded
TV connection
HDMI ARC
Wireless
Bluetooth 4.2
Width
35.4 in900 mm
Height
2.2 in55 mm
On the bench Response trace, stylized
As reviewed Polk Audio Signa S2
20 Hz 100 1k 10k 20k

At a glance

Polk Audio Signa S2 in 4 facts

  • Type: Soundbar with a subwoofer
  • Channels: 2.1
  • Audio formats: Dolby Digital
  • Subwoofer: Wireless subwoofer

Sound

Sound & channels

Channels
2.1 Confirmed by two independent sources
Audio formats
Dolby Digital Confirmed in the maker's spec sheet Source
Virtual surround
DTS virtual Surround Confirmed on the maker's page Source
Frequency response
45 Hz to 20 kHz Confirmed on the maker's page Source
Total power
Not published by the maker

In the box

Subwoofer & rear speakers

Subwoofer
Wireless subwoofer Confirmed in the maker's spec sheet Source
Subwoofer driver size
5.3 in Confirmed on the maker's page Source
Rear speakers included
No Confirmed in the maker's spec sheet Source
Add rear speakers later
No Not yet confirmed against the maker's published specifications
Subwoofer width
6.7 in 171 mm Confirmed in the maker's spec sheet Source
Subwoofer height
13.4 in 341 mm Confirmed in the maker's spec sheet Source
Subwoofer depth
12.3 in 312 mm Confirmed in the maker's spec sheet Source
Subwoofer weight
11.5 lb 5.2 kg Confirmed in the maker's spec sheet Source

Connections

TV connection

HDMI eARC / ARC
HDMI ARC Confirmed on the maker's page Source
HDMI inputs
1 Reported on another website
Optical inputs
1 Reported on another website
Analog input
3.5 mm Confirmed on the maker's page Source
Ethernet port
No Confirmed in the maker's spec sheet Source

Wireless

Wireless & streaming

Bluetooth version
4.2 Reported on another website
Streaming
Not included Confirmed in the maker's spec sheet Source
Voice assistant
Not included Not yet confirmed against the maker's published specifications
Connectivity
Bluetooth, Optical, HDMI, 3.5 mm jack Confirmed in the maker's spec sheet Source

Features

Sound tuning & controls

Room calibration
Not included Reported on another website
Dialogue enhancement
Yes Confirmed on the maker's page Source
Night mode
Yes Confirmed on the maker's page Source
App control
No Not yet confirmed against the maker's published specifications
Remote control
Yes Confirmed in the maker's spec sheet Source

Physical

Size, mounting & power

Wall mounting
Keyhole slots on the back Confirmed on the maker's page Source
Power consumption
40 W Reported on another website
Standby power
0.3 W Reported on another website
Height
2.2 in 55 mm Confirmed in the maker's spec sheet Source
Width
35.4 in 900 mm Confirmed in the maker's spec sheet Source
Depth
3.3 in 84 mm Confirmed in the maker's spec sheet Source
Weight
4 lb 1.8 kg Confirmed in the maker's spec sheet Source
Colors
Black Confirmed on the maker's page Source

Availability

Where to buy

1 year warrantyManufacturer coverage

We don't show live prices. This is our editorial price tier, last checked Nov 5, 2026. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.

Polk Audio Signa S2 Check price