- Net volume
- 120L
- Tuning
- 33Hz
Eighteen Sound gives the volume and tuning; the port is sized for the driver when you open it.

18-inch LF driver · 1,800 W
2 Ω · 29–1000 Hz
No price for delivery to the UK
Manufacturer response and impedance data, with source and trace details below. The left and right arrow keys read every shown curve at a frequency, a twelfth of an octave at a time, or an octave with Shift. Escape clears the reading.
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
frequency response
Frequency response
Eighteen Sound 18ID200 is an 18-inch 2 ohm LF driver rated at 1800 W RMS. The validated T/S data includes Fs 29 Hz, Qts 0.17, Vas 136 L, Xmax 18 mm, sensitivity 94.7 dB, plus 2205 cm³ Vd and 161 EBP. bits tracks vendor pricing, datasheet links, simulator import data, and similar drivers from the same loudspeaker database.
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 18ID200. No published designs name it yet.
How we find designsFrom Eighteen Sound’s 18ID200 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.
None of the shops we track lists delivery to the UK at checkout.