Bose Smart Soundbar 600 vs Polk Audio Signa S4

Every spec side by side, from each maker's published figures.

Only show differences

Better figure, where one is clearly better

Share comparison

Smart Soundbar 600 compared with Signa S4

	BoseSmart Soundbar 600	Polk AudioSigna S4
Overview
Released
Released	October 2022	December 2021
Sound
Type
Type	Soundbar	Soundbar
Channels
Channels	–	3.1.2
Dolby Atmos
Dolby Atmos	Yes	Yes
Drivers
Drivers	Five transducers; two side-firing racetrack transducers, a centre tweeter and two up-firing transducers; QuietPort technology for bass	Seven soundbar drivers — two 25 mm tweeters, two 120 × 40 mm racetrack midrange drivers, one 25 mm centre full-range driver and two 66 mm elevation drivers; included subwoofer has a 150 mm woofer
Audio formats
Audio formats	Dolby Atmos, Dolby Digital, Dolby TrueHD and Dolby Digital Plus; Bose TrueSpace upmixes stereo and 5.1 content	Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos (maker manual); non-Atmos content can be upmixed for virtual height effects
Room tuning
Room tuning	–	Movie, Music and Night modes; VoiceAdjust with three levels; bass adjustment
Connections
Wi-Fi
Wi-Fi	Yes	No
Bluetooth
Bluetooth	Yes	Yes
AirPlay
AirPlay	Yes	No
HDMI eARC
HDMI eARC	Yes	Yes
Voice assistants
Voice assistants	Alexa	None
Wi-Fi
Wi-Fi	Wi-Fi	–
Bluetooth
Bluetooth	Bluetooth 4.2, 9 m range	Bluetooth 5.0; SBC codec; A2DP 1.3 and AVRCP 1.6; maker line-of-sight range approximately 10 m
Ports
Ports	HDMI eARC; optical in; USB (service only); wired bass module (optional); wired IR blaster (optional)	One HDMI eARC/ARC connection, optical digital input, 3.5 mm analogue input and USB-A for firmware updates; no HDMI video passthrough input
Streaming
Streaming	Apple AirPlay 2; Chromecast built-in; Spotify Connect; Bluetooth	Bluetooth music playback; no Wi-Fi streaming or built-in voice assistant
Multi-room
Multi-room	Groups with Bose smart speakers and soundbars; SimpleSync to Bose Bluetooth headphones and speakers; optional Bose bass modules and surround speakers	–
App
App	Bose Music app; Voice4Video TV control with Alexa; remote control in the box	–
Design
Weight
Weight	3.13 kg	2.9 kg (better)
Controls
Controls	Remote with power, volume, mute, source (TV, Bluetooth, Bose Music app) and play/pause buttons	Top buttons and supplied remote; HDMI control and TV remote learning; remote lacks backlighting (WIRED)
Microphones
Microphones	Built-in noise-rejecting microphone array for voice commands	–
Mounting
Mounting	Bose Soundbar Wall Bracket sold separately	Soundbar can be wall mounted; mounting template and spacers supplied
Size
Size	5.61 × 69.4 × 10.4 cm (H × W × D)	Soundbar 1046 × 95 × 60 mm, W × D × H, 2.9 kg; subwoofer 200 × 328 × 280 mm, W × D × H, 4.1 kg. Main weight is bar only.
Colours
Colours	Black	Black; Signa S4D is an online-exclusive finish, not a different acoustic generation
In the box
In the box	Smart Soundbar 600, remote control with battery, optical cable (1.5 m), HDMI cable, power cable (1.5 m), quick start guide	Soundbar, wireless subwoofer, remote, soundbar and subwoofer power cords, HDMI and optical cables, two AAA batteries, quick-start guide, registration and safety cards, wall template and spacers