| Speaker Output - Channel | 4.2ch | 
| Speaker Output - Total | 1250W (Only bypass Condition_measure) | 
| Speaker Front L/R | 200/200 | 
| Surround L/R | 200/200 | 
| Sub-Woofer | 200/200 | 
LG Home Theater LHD687 | 
| Speaker Output - Channel | 4.2ch | 
| Speaker Output - Total | 1250W (Only bypass Condition_measure) | 
| Speaker Front L/R | 200/200 | 
| Surround L/R | 200/200 | 
| Sub-Woofer | 200/200 | 
| Bluetooth | Yes | 
| Mic | 2 | 
| Optical Input | Yes | 
| USB | Yes | 
| Audio Input (Optical) | Yes | 
| HDMI (Out) | 1 | 
| LG TV Sound Sync (Optical/bluetooth) | Yes | 
| SIMPLINK | Yes | 
| Powerful Base Blast | Yes | 
| Speaker Level Trim | Yes | 
| Dimmer | Yes | 
| Dynamic Range Control | yes | 
| LPCM | LPCM | 
| Format | WMA / MPEG 1/2 L2 / MP3-ID3 TAG | 
| Dolby Digital | Yes |