Product comparison · 2 soundbar speakers

LG SJ4 soundbar speaker Black 2.1 channels vs LG SJ4R soundbar speaker Black 4.1 channels

Key differences

Audio output channels
- SJ4 soundbar speaker Black 2.1 channels:2.1 channels
- SJ4R soundbar speaker Black 4.1 channels:4.1 channels
RMS rated power
- SJ4 soundbar speaker Black 2.1 channels:300 W
- SJ4R soundbar speaker Black 4.1 channels:420 W
Audio Return Channel (ARC)
- SJ4 soundbar speaker Black 2.1 channels:Yes
- SJ4R soundbar speaker Black 4.1 channels:No
Soundbar speaker RMS power
- SJ4 soundbar speaker Black 2.1 channels:120 W
- SJ4R soundbar speaker Black 4.1 channels:240 W

Differences highlightedShow differences only

Comparison of SJ4, SJ4R
60 specifications	A LG SJ4 soundbar speaker Black 2.1 channels Model SJ4 View product	B LG SJ4R soundbar speaker Black 4.1 channels Model SJ4R View product
Audio3 differ
Audio output channelsDiffers	2.1 channels	4.1 channels
RMS rated powerDiffers	300 W	420 W
Audio Return Channel (ARC)Differs	Yes	No
Soundbar speaker1 differ
Soundbar speaker RMS powerDiffers	120 W	240 W
ImpedanceKnown for one	4 Ω	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	82 dB	Unknown — not stated by the source
Tweeter impedanceKnown for one	4 Ω	Unknown — not stated by the source
Tweeter diameterKnown for one	2 cm	Unknown — not stated by the source
Subwooferidentical
Subwoofer impedanceKnown for one	3 Ω	Unknown — not stated by the source
Subwoofer sensitivityKnown for one	85 dB	Unknown — not stated by the source
Features1 differ
Audio formats supportedDiffers	FLAC, LPCM, MP3, OGG, WAV, WMA	FLAC, LPCM, MP3, OGG, WAV
Night modeKnown for one	Yes	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Subwoofer power consumptionKnown for one	33 W	Unknown — not stated by the source
Packaging contentidentical
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.