LG XO3QBK vs MartinLogan 839MW4LCR
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Choosing between the LG XO3QBK and MartinLogan 839MW4LCR? Both compete in the Speaker (L/R) segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The MartinLogan 839MW4LCR leads in audio quality, volume/SPL, form factor, room fit. They score similarly in value.
Speaker performance depends on room acoustics, placement, and amplifier pairing. The specs below provide a starting point, but audition both in your space when possible.
The MartinLogan 839MW4LCR holds an advantage across more performance dimensions, but the LG XO3QBK 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 | $299.99 | N/A |
| Driver Config | — | 2-way |
| Sensitivity | — | 93dB |
| Impedance | — | 8Ω |
| Freq Response Low | — | 78Hz |
| Freq Response High | — | 25000Hz |
| Crossover | — | 2800Hz |
| Bi-Amp Capable | — | No |
| Rec. Power Min | — | 50W |
| Rec. Power Max | — | 200W |
| Mounting Type | — | in-wall |
| Mounting Depth | — | 2.57" |
| Cutout Diameter | — | — |
| Cutout Width | — | 5.25" |
| Cutout Height | — | 11.87" |
| Wall Thickness Min | — | — |
| Wall Thickness Max | — | — |
| Back Box Included | — | No |
| Back Box Required | — | No |
| Mounting Mechanism | — | — |
| Installation Type | — | — |
| Stud Spacing | — | — |
| Paintable Grille | — | Yes |
| Magnetic Grille | — | Yes |
| Grille Shape | — | — |
| Connector Type | — | push-style binding post (12 AWG) |
| Wire Gauge Max | — | — |
| Angle Adjustable | — | No |
| Pivot Angle | — | — |
| Treble Attenuation Switch | — | No |
| LCR Capable | — | No |
| Coaxial | — | No |
| IP Rating | — | — |
| Moisture Resistant | — | No |
| UV Resistant | — | No |
| Salt Spray Rated | — | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | — |
| Bracket Included | — | No |
| Dual Voice Coil (SDI) | — | No |
Key Differences
- Driver Config: LG XO3QBK at — vs MartinLogan 839MW4LCR at 2-way
- Sensitivity: LG XO3QBK at — vs MartinLogan 839MW4LCR at 93dB
- Impedance: LG XO3QBK at — vs MartinLogan 839MW4LCR at 8Ω
- Freq Response Low: LG XO3QBK at — vs MartinLogan 839MW4LCR at 78Hz
- Freq Response High: LG XO3QBK at — vs MartinLogan 839MW4LCR at 25000Hz
See Where These Rank
Check our editorial rankings to see how LG XO3QBK and MartinLogan 839MW4LCR compare to the rest of the field.
Best Speaker (L/R) Rankings
