JBL Bar 2.0 All-in-one (MK2) vs Polk Audio Signa S3

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Bar 2.0 All-in-one (MK2) compared with Signa S3

	JBLBar 2.0 All-in-one (MK2)	Polk AudioSigna S3
Overview
Released
Released	2022	2020
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	2.0	2.1
Dolby Atmos
Dolby Atmos	No	No
Drivers
Drivers	Two racetrack drivers in a stereo 2.0-channel soundbar; no separate subwoofer or dedicated centre/rear speakers	Two 1.25 × 4.4 in oval midrange drivers and two 1 in tweeters; ported wireless subwoofer has a 5.25 in driver. Maker sheet's 165 mm parenthesis conflicts with the current maker table's 13.34 cm.
Amplifiers
Amplifiers	80 W maximum total output at 1% THD, 2 × 40 W; maximum, not continuous RMS output	–
Frequency response
Frequency response	70 Hz–20 kHz, maker specification without a stated tolerance	45 Hz–20 kHz system response (maker; no tolerance published)
Audio formats
Audio formats	Dolby Digital with JBL Surround Sound processing; Les Numériques also confirmed Dolby Digital Plus and stereo LPCM, but no DTS, Dolby TrueHD or Dolby Atmos	Dolby Digital 5.1 decoding and PCM over HDMI ARC or optical, reproduced through a stereo 2.1 system; no Dolby Atmos or DTS Virtual:X (GearLab)
Room tuning
Room tuning	Smart mode applies preset EQ and JBL Surround Sound; Standard mode available through the remote, with Smart mode re-enabled on power-up. Audio/video sync adjustment; no adjustable bass level or automatic room calibration	Movie, Music and Night modes; eight bass adjustment steps and three VoiceAdjust levels
Connections
Wi-Fi
Wi-Fi	No	Yes
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	No	No
HDMI eARC
HDMI eARC	No	No
Voice assistants
Voice assistants	None	None
Wi-Fi
Wi-Fi	–	Wi-Fi networking for Chromecast built-in; setup through the Google Home app
Bluetooth
Bluetooth	Bluetooth 4.2; A2DP 1.3 and AVRCP 1.5 profiles	–
Ports
Ports	HDMI ARC connection to the TV, optical input and USB-A for service/updates in the UK. USB music playback is US-only. No HDMI source input or eARC	One HDMI ARC connection, Toslink optical and 3.5 mm AUX input; USB maintenance port, not normal playback; no separate HDMI video input or passthrough (AVForums)
Streaming
Streaming	Bluetooth stereo streaming; no Wi-Fi, AirPlay or network streaming services	Chromecast audio from compatible music apps over Wi-Fi, plus Bluetooth playback
Multi-room
Multi-room	–	Google Home grouping with other Chromecast-enabled speakers
App
App	–	Google Home for network setup, grouping and automatic overnight firmware updates
Design
Weight
Weight	1.6 kg	–
Controls
Controls	Top power, volume and source buttons; LED status/volume indicator rather than a text display. Remote with two AAA batteries, HDMI CEC and IR TV remote learning; no built-in voice assistant	Top power, source, Bluetooth and volume buttons; IR remote, HDMI CEC and IR learning; four status LEDs. Google Assistant music control requires a separate compatible speaker; no built-in voice assistant.
Mounting
Mounting	Included wall-mount bracket kit and screws	Rear keyhole hangers and supplied wall-mount spacers
Size
Size	614 × 56 × 90 mm (width × height × depth), 1.6 kg. Packaged weight: 2.6 kg	Current maker table gives soundbar 89.99 × 5.46 × 8.18 cm and subwoofer 17.07 × 34.04 × 30.99 cm, W × H × D. Maker sheet separately lists bar 898 × 56 × 83 mm and subwoofer 171 × 311 × 343 mm, with conflicting inch equivalents.
Colours
Colours	Black	Black
In the box
In the box	Soundbar, remote with batteries, region-specific power cables, HDMI cable, wall-mount kit and documentation	Soundbar, wireless subwoofer, IR remote and AAA battery, two power cords, HDMI and optical cables, wall-mount spacers and literature (maker quick-start guide); information sheet additionally lists a soundbar power supply.