Polk Audio Signa S4 vs Sonos Beam (Gen 2)
Better figure, where one is clearly better
| Polk AudioSigna S4 | SonosBeam (Gen 2) | |
|---|---|---|
| Overview | ||
| Released | December 2021 | October 2021 |
| Sound | ||
| Type | Soundbar | Soundbar |
| Channels | 3.1.2 | – |
| Dolby Atmos | Yes | Yes |
| Drivers | 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 | One centre tweeter, four elliptical midwoofers and three passive radiators |
| Amplifiers | – | Five class-D digital amplifiers |
| Audio formats | Linear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos (maker manual); non-Atmos content can be upmixed for virtual height effects | Stereo PCM, Dolby Digital, Dolby Digital Plus, Dolby Atmos (Dolby Digital Plus); with HDMI eARC also Dolby Atmos, Dolby TrueHD, Dolby Atmos (TrueHD), multichannel PCM and Dolby multichannel PCM; DTS Digital Surround |
| Room tuning | Movie, Music and Night modes; VoiceAdjust with three levels; bass adjustment | Trueplay (iOS device required); bass, treble and loudness adjustable; Speech Enhancement; Night Sound |
| Connections | ||
| Wi-Fi | No | Yes |
| Bluetooth | Yes | No |
| AirPlay | No | Yes |
| HDMI eARC | Yes | Yes |
| Voice assistants | None | Alexa and Google Assistant |
| Wi-Fi | – | 802.11b/g/n, 2.4 GHz |
| Bluetooth | Bluetooth 5.0; SBC codec; A2DP 1.3 and AVRCP 1.6; maker line-of-sight range approximately 10 m | – |
| Ports | One HDMI eARC/ARC connection, optical digital input, 3.5 mm analogue input and USB-A for firmware updates; no HDMI video passthrough input | HDMI eARC (optical adapter included); 10/100 Ethernet; IR receiver |
| Streaming | Bluetooth music playback; no Wi-Fi streaming or built-in voice assistant | Apple AirPlay 2; Sonos Radio |
| Multi-room | – | Groups with other Sonos products over Wi-Fi; add a Sonos Sub and rear speakers; TV Audio Swap to Sonos Ace headphones |
| App | – | Sonos app (iOS and Android); works with the TV remote |
| Design | ||
| Weight | 2.9 kg | 2.88 kg (better) |
| Controls | Top buttons and supplied remote; HDMI control and TV remote learning; remote lacks backlighting (WIRED) | Capacitive touch controls (play, pause, skip, replay, volume, microphone off) |
| Microphones | – | Far-field microphone array with beamforming and multichannel echo cancellation |
| Mounting | Soundbar can be wall mounted; mounting template and spacers supplied | 0.5 in (12.7 mm) threaded mount / 10-32 threaded socket; wall mount sold separately |
| Size | 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. | 68 × 651 × 100 mm (H × W × D) |
| Colours | Black; Signa S4D is an online-exclusive finish, not a different acoustic generation | Black, White |
| In the box | 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 | Beam (Gen 2), power cable (2 m), HDMI cable (1.5 m), optical audio adapter, documentation |
More comparisons
- Sonos Beam (Gen 2) vs Sonos Beam Ultra
- Polk Audio Signa S4 vs Sony BRAVIA Theatre Bar 5
- JBL Bar 300MK2 vs Sonos Beam (Gen 2)
- Marshall Heston 60 vs Sonos Beam (Gen 2)
- Hisense AX5140Q vs Polk Audio Signa S4
- Klipsch Flexus Core 100 vs Sonos Beam (Gen 2)
- Samsung HW-S800D vs Sonos Beam (Gen 2)
- Polk Audio Signa S4 vs Samsung HW-S800D
- Sennheiser AMBEO Soundbar Mini vs Sonos Beam (Gen 2)
- Bose Smart Soundbar 600 vs Polk Audio Signa S4
- Bose Smart Soundbar 600 vs Sonos Beam (Gen 2)
- Polk Audio MagniFi Mini AX vs Sonos Beam (Gen 2)
- Polk Audio MagniFi Mini AX vs Polk Audio Signa S4
- Polk Audio Signa S2 vs Polk Audio Signa S4
- Polk Audio Signa S3 vs Polk Audio Signa S4
- Polk Audio React vs Sonos Beam (Gen 2)