Polk Audio Signa S4 vs LG SLM4R review
Polk Audio Signa S4 vs LG SLM4R comparison definitely makes sense. Based on our rating, Signa S4 has a total rating of 7.8 out of 10 versus 5.2 for SLM4R. The competitors' control buttons are different: power, source, demo, volume down, volume up and power, volume down, volume up, function, respectively.
Audio features
Both soundbars have active amplification type. A significant difference between the units in the number of channels, the Polk Audio Signa S4 has 3.1.2 versus 4.1 for the LG SLM4R. The output power is different and equal to 80 (overall) W for the Signa S4 versus 420 (overall) W for the SLM4R. Competitors do not have a built-in subwoofer. Rivals have wireless connection to separate subwoofer. The Polk Audio Signa S4 got our rating of 5 out of 10, and the LG SLM4R 7 for its audio features and specs.
Streaming services
Spotify support is available on the Signa S4.
Connectivity
Only the Polk Audio Signa S4 can connect to the Internet via WI-FI. Rivals from our review have Bluetooth support. Only the Signa S4 supports HDMI Audio Return Channel (ARC). Both soundbars have a USB connector. For connectivity, each of the soundbars received a rating of 6/10.
Features
App control is available in every soundbar. A built-in microphone is present only on the Signa S4. Soundbars do not have Multi-room support.
Multichannel surround
Only the Signa S4 has a Dolby Atmos multichannel audio format support. The soundbars do not support the surround sound technology DTS:X. For multichannel surround Polk Audio Signa S4 got a rating of 9, and LG SLM4R 5 out of 10.
Advantages Polk Audio Signa S4 over LG SLM4R
- Amazon Music compatible
- Spotify support
- WI-FI enabled
- Audio return channel (HDMI ARC) support
- Microphone
- Compatible with Dolby Atmos
Common
Product
Model
Brand
Reviews
General
Placement type
Connection to source
Soundbar buttons
Audio features
Built-in channels
Amplification type
Output power, W
Separate speaker (in package)
Separate speaker connections
Subwoofer
Built-in subwoofer
Separate subwoofer (in package)
Separate subwoofer connections
Streaming services
Apple Music (AirPlay)
Amazon Music
Spotify
Other streaming services
Connectivity
WI-FI
Bluetooth
Ethernet (RJ45)
NFC
HDMI input/output
HDMI ARC
HDMI eARC
HDMI CEC
Optical digital input/output
USB
Coaxial digital input/output
Analog audio input/output (RCA)
Headphone output
Subwoofer output
Features
Voice control
App control
Microphone
Remote control
Multi-room
Multichannel surround
Dolby Atmos
Dolby (other)
DTS:X
DTS (other)
User manual
Dimensions
Size (Wx H x D), cm/in
Weight, kg/pounds
Other
Release year
Soundbars SoundStrokes Art comparison rating
- 7.8Polk Audio Signa S4
- 5.2LG SLM4R
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