35.04 in 2.17 in  | 47.24 in 2.28 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 LG SJ4 |  LG SJ9 | |
|---|---|---|
| Audio output channels | 2.1 | 5.1 |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Analogue 3.5mm input | 1 | 1 |
| Digital optical input (S/PDIF) | 1 | 1 |
| HDMI | yes | yes |
| HDMI version | 1.4 | 2.0 |
| HDMI ports quantity | 1 | 2 |
| Number of HDMI inputs | 1 | 1 |
| Number of HDMI outputs | 1 | 1 |
| Headphone outputs | 1 | 1 |
| USB | yes | yes |
| Wireless network (Wi-Fi) | yes | yes |
| NFC | no | no |
| Ethernet connection | yes | yes |
| Bluetooth | yes | yes |
| Bluetooth version | 4.0 | 4.0 |
| Audio Return Channel (ARC) | yes | yes |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Audio format |
|
|
| Supported audio files |
|
|
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Automatic calibration (w/ measurement mic.) | no | no |
| Power per channel | 60.0 W | 43.0 W |
| Suitable for subwoofer | yes | yes |
| Wireless | yes | yes |
| Number of speaker drivers | 4 | 7 |
| RMS rated power | 300.0 W | 500.0 W |
| Soundbar speaker RMS power | 120.0 W | 215.0 W |
| Soundbase | no | no |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Subwoofer included | yes | yes |
| Type of enclosure (sub) | Bass reflex | Bass reflex |
| Subwoofer type | Active subwoofer | Active subwoofer |
| Subwoofer RMS power | 180.0 W | 200.0 W |
| Bass reflex | yes | yes |
| Subwoofer width | 6.73 in | 11.65 in |
| Subwoofer depth | 9.92 in | 11.65 in |
| Subwoofer height | 12.6 in | 13.07 in |
| Subwoofer weight | 9.26 lb | 16.8 lb |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Colour of product | Black | Black |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Width | 35.04 in | 47.24 in |
| Height | 2.17 in | 2.28 in |
| Depth | 3.35 in | 5.71 in |
| Weight | 5.29 lb | 12.39 lb |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Radio receiver | no | no |
| FM radio | no | no |
| 3D support (3D-Ready) | no | yes |
| Wireless speakers included | no | no |
| Remote control app for mobile / tablet | yes | yes |
| Handheld remote control | yes | yes |
| Separate DVD / Blu-ray player | no | no |
| Apple docking compatibility | no | no |
| Night mode | yes | yes |
| Designed for wall mounting | yes | yes |
| TV stand usage | no | yes |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Optical drive | no | no |
| LG SJ4 | LG SJ9 | |
|---|---|---|
| Power consumption (standby) | 0.5 W | 1.0 W |
| Power consumption (typical) | 22.0 W | 81.0 W |
| Pros | ||
|---|---|---|
| Cons |
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