

3-inch LF driver · SPX series · 20 mm voice coil · 20 W
8 Ω · 3–20000 Hz
Monacor SPX-30M is a 3-inch 8 ohm LF driver rated at 20 W RMS. The validated T/S data includes Fs 100 Hz, Qts 0.71, Vas 1.8 L, Xmax 1.1 mm, sensitivity 85.1 dB, plus 4 cm³ Vd and 112 EBP. bits tracks UK, EU and US shop prices, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £20.10.
The published T/S values agree with each other
† Calculated by bits from the published values
What this validation status means





























Choose the published values that matter to your design. Size stays matched to this driver.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
LTT Import VAT and duty may apply | £20.10, the lowest price | Stock not listed | Visit shop at LTT | |
Audiophonics Import VAT and duty may apply | £25.04 | 25% above the lowest price | In stock | Visit shop at Audiophonics |
SoundImports Import VAT and duty may apply | £25.08 | 25% above the lowest price | 6 in stock | Visit shop at SoundImports |
Tracked since 1 Apr