ELAC A4.2 vs Polk Monitor XT90
The Polk Monitor XT90 is more sensitive (89 dB vs 85 dB), so it plays louder per watt, plays lower (94 Hz vs 180 Hz) and is an easier load for a receiver (8 Ω vs 6 Ω).
What each one works with
Checked against every product in our catalogue by the same engine as the compatibility checker.
| A4.2 | Monitor XT90 | |
|---|---|---|
| Receivers and amps that drive it | 27 of 29 | 27 of 29 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| A4.2 | Monitor XT90 | |
|---|---|---|
| Impedance | 6 Ω | 8 Ω |
| Sensitivity | 85 dB (2.83 V, 1 m) | 89 dB |
| Low end | 180 Hz | 94 Hz |
| Drivers | 1 × 13 mm, 1 × 102 mm | 1 × 102 mm |
| Size | 7×5×9 in | 7×6×8 in |
| Recommended amplifier power | 20–80 W | 30–100 W |
| Weight | 2.5 kg (5.5 lb) | 2.72 kg (6 lb) |
| MSRP | $399 a pair (MSRP, September 2026) | $119 a pair (MSRP, September 2026) |
Every spec and pairing: ELAC A4.2, Polk Monitor XT90.
Try either one in your own room.
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References
- ELAC A4.2: Manufacturer product page, elac-america.myshopify.com, retrieved September 15, 2026
- ELAC A4.2: Retailer listing, amazon.com, retrieved September 15, 2026
- Polk Monitor XT90: Spec sheet, polkaudio.com, retrieved September 15, 2026
- Polk Monitor XT90: Manufacturer product page, polkaudio.com, retrieved September 15, 2026
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