LG SPD7R vs MartinLogan Motion SLM X3
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Choosing between the LG SPD7R and MartinLogan Motion SLM X3? Both compete in the Soundbar segment. Here’s how they compare across the specs that matter most for your home theater.
Pricing for both models is currently unavailable. Check the retailer links below for current deals.
Looking at overall performance dimensions: The LG SPD7R scores higher in value. The MartinLogan Motion SLM X3 leads in form factor, room fit. They score similarly in ease of use.
These soundbars differ in only the MartinLogan Motion SLM X3 includes Dolby Atmos support. Atmos support and included subwoofer can significantly impact the immersive experience.
These two Soundbar options trade wins across different dimensions. The right choice depends on which specs matter most for your room and listening preferences — review the detailed table below to decide.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Channel Config | — | 3.0 |
| Total Power (RMS) | — | — |
| Driver Count | — | 9 |
| Freq Response Low | — | 120Hz |
| Freq Response High | — | 25000Hz |
| Passive | — | Yes |
| Dolby Atmos | — | No |
| Dolby Digital+ | — | No |
| Dolby TrueHD | — | No |
| DTS:X | — | No |
| DTS Virtual:X | — | No |
| DTS-HD Master | — | No |
| Built-in Sub | — | No |
| Wireless Sub Included | — | No |
| Wireless Sub Support | — | No |
| Wireless Surround Support | — | No |
| HDMI eARC | — | No |
| HDMI Inputs | — | 0 |
| HDMI Version | — | — |
| Optical Input | — | No |
| Analog Stereo In | — | No |
| Sub Pre-Out | — | No |
| Ethernet | — | No |
| Bluetooth | — | No |
| BT Version | — | — |
| Wi-Fi | — | No |
| Wi-Fi Standard | — | — |
| AirPlay 2 | — | No |
| Chromecast | — | No |
| Spotify Connect | — | No |
| Voice Assistants | — | |
| Room Calibration | — | — |
| Dialog Enhancement | — | No |
| Night Mode | — | No |
| App Control | — | — |
| Wall Mountable | — | Yes |
Key Differences
- Channel Config: LG SPD7R at — vs MartinLogan Motion SLM X3 at 3.0
- Driver Count: LG SPD7R at — vs MartinLogan Motion SLM X3 at 9
- Freq Response Low: LG SPD7R at — vs MartinLogan Motion SLM X3 at 120Hz
- Freq Response High: LG SPD7R at — vs MartinLogan Motion SLM X3 at 25000Hz
- Passive: LG SPD7R at — vs MartinLogan Motion SLM X3 at Yes
