JBL Stage 250B vs Wharfedale Diamond 12.1i
The JBL Stage 250B plays lower (50 Hz vs 65 Hz) and costs less ($440 vs $499). The Wharfedale Diamond 12.1i is more sensitive (88 dB vs 86 dB), so it plays louder per watt 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 250B | Diamond 12.1i | |
|---|---|---|
| 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 250B | Diamond 12.1i | |
|---|---|---|
| Impedance | 6 Ω | 8 Ω |
| Sensitivity | 86 dB (2.83 V, 1 m) | 88 dB (2.83 V, 1 m) |
| Low end | 50 Hz | 65 Hz |
| Drivers | 1 × 25 mm, 1 × 130 mm | 1 × 25 mm, 1 × 130 mm |
| Size | 8×13×9 in | 7×12×11 in |
| Recommended amplifier power | 20–150 W | 20–100 W |
| Weight | 5.6 kg (12.3 lb) | 6.8 kg (15 lb) |
| MSRP | $440 a pair (MSRP, September 2026) | $499 a pair (MSRP, September 2026) |
Every spec and pairing: JBL Stage 250B, Wharfedale Diamond 12.1i.
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References
- JBL Stage 250B: Spec sheet, in.jbl.com, retrieved September 15, 2026
- JBL Stage 250B: Retailer listing, audioadvice.com, retrieved September 15, 2026
- Wharfedale Diamond 12.1i: Manufacturer product page, wharfedaleusa.com, retrieved September 15, 2026
- Wharfedale Diamond 12.1i: Owner's manual, adorama.com, retrieved September 15, 2026
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