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Polk Audio Signa S4 vs Samsung HW-S800D

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

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Polk AudioSigna S4SamsungHW-S800D
Overview
ReleasedDecember 20212024
Sound
TypeSoundbarSoundbar
Channels3.1.23.1.2
Dolby AtmosYesYes
DriversSeven 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 wooferMaker lists ten speakers across the system, with a dedicated centre channel, upward-firing speakers and wireless subwoofer; no side-firing or wide-firing speakers. Expert Reviews describes nine drivers in the bar plus a 6.5-inch subwoofer driver and 8-inch passive radiator
Audio formatsLinear PCM, Dolby Digital, Dolby Digital Plus, Dolby TrueHD and Dolby Atmos (maker manual); non-Atmos content can be upmixed for virtual height effectsDolby Atmos, Atmos Music, Dolby Digital 5.1, Dolby Digital Plus, Dolby TrueHD and multichannel LPCM; DTS Virtual:X processing. Expert Reviews reports no DTS:X decoding, despite generic DTS:X wording in the UK eARC feature text; the exact manual licenses DTS Digital Surround and Virtual:X. MP3, AAC, OGG, FLAC, WAV, ALAC and AIFF files
Room tuningMovie, Music and Night modes; VoiceAdjust with three levels; bass adjustmentSpaceFit Sound Pro automatic calibration using the built-in microphone; Adaptive Sound, Standard, Surround, Game Pro and DTS Virtual:X modes, voice enhancement, Active Voice Amplifier and Night mode; Q-Symphony with compatible Samsung TVs; wireless Dolby Atmos with selected 2022–2024 Samsung TVs. Optional SWA-9500S 2.0.2 rear-speaker kit adds surround and rear-height channels
Connections
Wi-FiNoYes
BluetoothYesYes
AirPlayNoYes
HDMI eARCYesYes
Voice assistantsNoneAlexa
BluetoothBluetooth 5.0; SBC codec; A2DP 1.3 and AVRCP 1.6; maker line-of-sight range approximately 10 mBluetooth 5.2; Tap Sound with supported Galaxy devices running Android 8.1 or later and SmartThings
PortsOne HDMI eARC/ARC connection, optical digital input, 3.5 mm analogue input and USB-A for firmware updates; no HDMI video passthrough inputOne Micro HDMI eARC connection to the TV, DC power input and Micro USB service port; included HDMI-to-Micro-HDMI cable. No HDMI source input, video passthrough, optical input or USB music playback
StreamingBluetooth music playback; no Wi-Fi streaming or built-in voice assistantAirPlay 2, Chromecast built-in, Spotify Connect and Roon Tested; compatible services, network access and subscriptions may be required
Multi-room–AirPlay 2 or Chromecast speaker groups
App–SmartThings for setup, sound adjustment and software updates; Samsung account required
Design
Weight2.9 kg1.4 kg
ControlsTop buttons and supplied remote; HDMI control and TV remote learning; remote lacks backlighting (WIRED)Top-panel controls, included USB-C rechargeable remote, HDMI CEC, SmartThings and built-in Alexa; Google Assistant works through an external compatible device. LED status dots and audio feedback rather than a text display
Microphones–Built-in microphone for room tuning and Alexa, with microphone on/off control
MountingSoundbar can be wall mounted; mounting template and spacers suppliedIncluded wall-mount brackets; optional decorative soundbar skins sold separately
SizeSoundbar 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.Bar 1160 × 38 × 39.9 mm and 1.4 kg; subwoofer 238 × 240.8 × 238 mm and 6.4 kg (width × height × depth). Maker's 11 kg set weight includes packaging
ColoursBlack; Signa S4D is an online-exclusive finish, not a different acoustic generationTitan Black; white HW-S801D is the colour variant of this family
In the boxSoundbar, 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 spacersSoundbar, wireless subwoofer, remote, wall-mount brackets and HDMI-to-Micro-HDMI cable

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