JBL Stage 240B vs Polk Monitor XT15
The Polk Monitor XT15 is more sensitive (86 dB vs 85 dB), so it plays louder per watt, plays lower (48 Hz vs 53 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.
| Stage 240B | Monitor XT15 | |
|---|---|---|
| Receivers and amps that drive it | 29 of 29 | 29 of 29 |
Specs side by side
Values that differ are bold. A dash means that model doesn't publish the spec.
| Stage 240B | Monitor XT15 | |
|---|---|---|
| Impedance | 6 Ω | 8 Ω |
| Sensitivity | 85 dB (2.83 V, 1 m) | 86 dB |
| Low end | 53 Hz | 48 Hz |
| Drivers | 1 × 25 mm, 1 × 114 mm | 1 × 25 mm, 1 × 133 mm |
| Size | 7×11×9 in | 6×11×7 in |
| Recommended amplifier power | 20–125 W | 30–150 W |
| Weight | 4.6 kg (10.1 lb) | 4.08 kg (9 lb) |
| MSRP | $330 a pair (MSRP, September 2026) | $179 a pair (MSRP, September 2026) |
Every spec and pairing: JBL Stage 240B, Polk Monitor XT15.
Try either one in your own room.
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References
- JBL Stage 240B: Spec sheet, jbl.com, retrieved September 15, 2026
- JBL Stage 240B: Retailer listing, audioadvice.com, retrieved September 15, 2026
- Polk Monitor XT15: Spec sheet, polkaudio.com, retrieved September 15, 2026
- Polk Monitor XT15: Manufacturer product page, polkaudio.com, retrieved September 15, 2026
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