Cambridge Audio CXA81 vs Emotiva BASX-A8Z
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Choosing between the Cambridge Audio CXA81 and Emotiva BASX-A8Z? Both compete in the Amplifier segment. Here’s how they compare across the specs that matter most for your home theater.
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Looking at overall performance dimensions: The Cambridge Audio CXA81 scores higher in form factor, room fit. The Emotiva BASX-A8Z leads in value.
These two Amplifier 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.
For most home theaters, the Cambridge Audio CXA81 is the stronger choice — it leads in 2 of 3 scored dimensions. The Emotiva BASX-A8Z makes more sense if you prioritize the 1 dimension where it leads.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
Cambridge Audio CXA81
Emotiva BASX-A8Z
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | N/A | N/A |
| Watts/Ch (8Ω) | 80W | 45W |
| Watts/Ch (4Ω) | 120W | 60W |
| Channels | 2 | 8 |
| THD | — | 0.05% |
| Damping Factor | — | 500 |
| Bridgeable | Yes | Yes |
| Balanced XLR | Yes | No |
| Gain Control | No | Yes |
| Class | Class AB | Class AB |
Key Differences
- Channels: Cambridge Audio CXA81 at 2 vs Emotiva BASX-A8Z at 8. More channels enable immersive Atmos layouts. A 9-channel receiver can drive a 5.1.4 layout (5 ear-level, 1 sub, 4 height speakers) for overhead sound effects.
- Watts/Ch (4Ω): Cambridge Audio CXA81 at 120W vs Emotiva BASX-A8Z at 60W
- Watts/Ch (8Ω): Cambridge Audio CXA81 at 80W vs Emotiva BASX-A8Z at 45W. Real-world power matters for dynamic headroom. Look for all-channels-driven ratings — two-channel ratings inflate the number since receivers share a common power supply.
- THD: Cambridge Audio CXA81 at — vs Emotiva BASX-A8Z at 0.05%
- Damping Factor: Cambridge Audio CXA81 at — vs Emotiva BASX-A8Z at 500
Which Should You Choose?
Choose Cambridge Audio CXA81 if you want:
- + better watts/ch (8ω) — real-world power matters for dynamic headroom
Choose Emotiva BASX-A8Z if you want:
- + 8 channel layout for more immersive Atmos configurations
See Where These Rank
Check our editorial rankings to see how Cambridge Audio CXA81 and Emotiva BASX-A8Z compare to the rest of the field.
Best Amplifier RankingsSpecifications 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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