LG M7-P4_H7 vs Polk Audio Signa S4D
Prices updated hourly. Check retailer for current availability.
Choosing between the LG M7-P4_H7 and Polk Audio Signa S4D? Both compete in the Soundbar segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The Polk Audio Signa S4D leads in value, form factor, room fit. They score similarly in ease of use.
These soundbars differ in only the Polk Audio Signa S4D includes Dolby Atmos support. Atmos support and included subwoofer can significantly impact the immersive experience.
The Polk Audio Signa S4D holds an advantage across more performance dimensions, but the LG M7-P4_H7 may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $2,599.95 | N/A |
| Channel Config | — | 3.1.2 |
| Total Power (RMS) | — | — |
| Driver Count | — | 7 |
| Freq Response Low | — | — |
| Freq Response High | — | — |
| Passive | — | No |
| Dolby Atmos | — | Yes |
| Dolby Digital+ | — | Yes |
| Dolby TrueHD | — | No |
| DTS:X | — | No |
| DTS Virtual:X | — | No |
| DTS-HD Master | — | No |
| Built-in Sub | — | No |
| Wireless Sub Included | — | Yes |
| Wireless Sub Support | — | Yes |
| Wireless Surround Support | — | No |
| HDMI eARC | — | Yes |
| HDMI Inputs | — | 0 |
| HDMI Version | — | 2.1 |
| Optical Input | — | Yes |
| Analog Stereo In | — | No |
| Sub Pre-Out | — | No |
| Ethernet | — | No |
| Bluetooth | — | Yes |
| BT Version | — | 5.0 |
| Wi-Fi | — | No |
| Wi-Fi Standard | — | — |
| AirPlay 2 | — | No |
| Chromecast | — | No |
| Spotify Connect | — | No |
| Voice Assistants | — | |
| Room Calibration | — | VoiceAdjust |
| Dialog Enhancement | — | Yes |
| Night Mode | — | Yes |
| App Control | — | Polk Audio |
| Wall Mountable | — | Yes |
Key Differences
- Channel Config: LG M7-P4_H7 at — vs Polk Audio Signa S4D at 3.1.2
- Driver Count: LG M7-P4_H7 at — vs Polk Audio Signa S4D at 7
- Passive: LG M7-P4_H7 at — vs Polk Audio Signa S4D at No
- Dolby Atmos: LG M7-P4_H7 at — vs Polk Audio Signa S4D at Yes
- Dolby Digital+: LG M7-P4_H7 at — vs Polk Audio Signa S4D at Yes

