Miller & Kreisel LCR750C vs Q Acoustics 5090
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Choosing between the Miller & Kreisel LCR750C and Q Acoustics 5090? Both compete in the Speaker (Center) 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 Miller & Kreisel LCR750C scores higher in audio quality, volume/SPL, form factor, room fit. The Q Acoustics 5090 leads in value.
For speaker performance, the Q Acoustics 5090 is more sensitive at 90.5 dB vs 90 dB, and impedances of 4Ω vs 6Ω. Higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks. A speaker rated 3 dB higher in sensitivity needs half the amplifier power to reach the same volume. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
The Miller & Kreisel LCR750C holds an advantage across more performance dimensions, but the Q Acoustics 5090 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.
For most home theaters, the Miller & Kreisel LCR750C is the stronger choice — it leads in 4 of 5 scored dimensions. The Q Acoustics 5090 makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Miller & Kreisel LCR750C
Q Acoustics 5090
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Driver Config | 2-way | — |
| Sensitivity | 90dB | 90.5dB |
| Impedance | 4Ω | 6Ω |
| Freq Response Low | 80Hz | 57Hz |
| Freq Response High | 20000Hz | 30000Hz |
| Crossover | 1600Hz | 2100Hz |
| Bi-Amp Capable | No | No |
| Rec. Power Min | 25W | 25W |
| Rec. Power Max | 400W | 150W |
| Mounting Type | center | center |
| Mounting Depth | — | — |
| Cutout Diameter | — | — |
| Cutout Width | — | — |
| Cutout Height | — | — |
| Wall Thickness Min | — | — |
| Wall Thickness Max | — | — |
| Back Box Included | No | No |
| Back Box Required | No | No |
| Mounting Mechanism | — | — |
| Installation Type | — | — |
| Stud Spacing | — | — |
| Paintable Grille | No | No |
| Magnetic Grille | No | No |
| Grille Shape | — | — |
| Connector Type | — | — |
| Wire Gauge Max | — | — |
| Angle Adjustable | No | No |
| Pivot Angle | — | — |
| Treble Attenuation Switch | No | No |
| LCR Capable | No | No |
| Coaxial | No | No |
| IP Rating | — | — |
| Moisture Resistant | No | No |
| UV Resistant | No | No |
| Salt Spray Rated | No | No |
| Enclosure Material | — | — |
| Grille Material | — | — |
| Bracket Type | — | — |
| Bracket Included | No | No |
| Dual Voice Coil (SDI) | No | No |
Key Differences
- Rec. Power Max: Miller & Kreisel LCR750C at 400W vs Q Acoustics 5090 at 150W
- Impedance: Miller & Kreisel LCR750C at 4Ω vs Q Acoustics 5090 at 6Ω. Lower impedance draws more current from your receiver. A 4-ohm speaker needs a receiver rated for that load, or you risk thermal shutdown during loud passages.
- Freq Response High: Miller & Kreisel LCR750C at 20000Hz vs Q Acoustics 5090 at 30000Hz
- Freq Response Low: Miller & Kreisel LCR750C at 80Hz vs Q Acoustics 5090 at 57Hz. Determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support.
- Crossover: Miller & Kreisel LCR750C at 1600Hz vs Q Acoustics 5090 at 2100Hz
Which Should You Choose?
Choose Q Acoustics 5090 if you want:
- + better sensitivity — higher sensitivity means your receiver works less hard, leaving more headroom for dynamic peaks in movie soundtracks
- + better freq response low — determines how much bass a speaker handles on its own versus relying on a subwoofer for low-end support
See Where These Rank
Check our editorial rankings to see how Miller & Kreisel LCR750C and Q Acoustics 5090 compare to the rest of the field.
Best Speaker (Center) RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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