

12-inch LF driver · 400 W
8 Ω · 45–5000 Hz
£122.29
SteadyBlue Aran · 4 in stock · All 4 offers
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
impedance
Impedance response

Beyma 12WRS400 is a 12-inch 8 ohm LF driver rated at 400 W RMS. The validated T/S data includes Fs 42 Hz, Qts 0.29, Vas 91 L, Xmax 6.3 mm, sensitivity 95.4 dB, plus 334 cm³ Vd and 135 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 £122.29.
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 |
|---|---|---|---|---|
Blue Aran | £122.29, the lowest price | 4 in stock | Visit shop at Blue Aran |
Tracked since 1 Apr