- Net volume
- 25L
- Tuning
- 70Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.

10-inch LF driver · 350 W
65–5000 Hz
£187.96
SteadyLean Business · All 5 offers


Eighteen Sound 10NMB420 is a 10-inch 16 ohm LF driver rated at 350 W RMS. The validated T/S data includes Fs 65 Hz, Qts 0.33, Vas 30 L, Xmax 4 mm, sensitivity 95.6 dB, plus 138 cm³ Vd and 181 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 £182.20.
The published T/S values agree with each other
† Calculated by bits from the published values
What this validation status means
What Eighteen Sound suggests for the 10NMB420. No published designs name it yet.
How we find designsFrom Eighteen Sound’s 10NMB420 page
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.

























Choose the published values that matter to your design. Size stays matched to this driver.
Each shop collects its own ratings. Bits shows them as published and doesn't verify them.
| Shop | Price | Against the lowest | Stock | Link |
|---|---|---|---|---|
Lean Business | £187.96, the lowest price | Stock not listed | Visit shop at Lean Business | |
Lean Audio | £187.96 | Back order | Visit shop at Lean Audio | |
Thomann | £271.00 | 44% above the lowest price | In stock | Visit shop at Thomann |
Tracked since 1 Apr