PA Woofer - Subwoofer, 2 x 250 w, 2 x 4 ω by Ufixt


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Item Information

Subwoofer, 2 x 250 W, 2 x 4 Ω

Packed Quantity
1 per pack
Manufacturer Number
Product Number

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Delivery Information

For UK orders we offer a Free Delivery, Standard or Next Working Day delivery service.

We have separate delivery charges for Europe, North America, Japan and the Rest of the World based on the size, weight and destination of your order.

Please view our About Delivery page for full details.

Returns & Refunds

If an item is faulty or damaged on delivery and we are notified within 24 hours we will arrange for a replacement or a refund of the item - it needs to be within this time period for us to make claims with our couriers.

If you have simply changed your mind or no longer require the item(s), you must notify us within 7 days from receiving your order. The item(s) must be in their original unused and unopened packaging and be in a resalable condition for a full refund. You will need to pay for the cost of returning the item(s) and the item(s) remain your responsibility until we receive them.

Please view our Returns & Refunds page for full details.

Full Details

  • 40 cm (15") subwoofer of highest power capability, dual voice coil technology
  • Extra small volume requirements
  • Robust complete cone with new geometry for highest rigidity and an excellent dynamic response
  • Extra long excursion
  • Rubber surround
  • Extensive air gap ventilation
  • For general subwoofer applications from home cinema to compact DJ subwoofers
Impedance (Z)2 x 4 Ω
Operating voltage-
Frequency rangef3-800 Hz
Resonant frequency (fs)21.5 Hz
Rec. crossov. frequ. (fmax.) (12 dB/oct.)-
Power rating2 x 250 W
Peak music power output2 x 400 W
Sensitivity89 dB/W/m
Max. rated SPL-
Max. voltage-
Radiation angle, horizontal
Radiation angle, vertical
Suspension compl. (Cms)0.28 mm/N
Moving mass (Mms)199.5 g
Mech. Q factor (Qms)2.81
Electr. Q factor (Qes)0.31
Total Q factor (Qts)0.28
Equivalent volume (Vas)275 l
DC resistance (Re)2 x 3.6 Ω/1 x 7.2 Ω
Force factor (BxL)25.0 Tm
Voice coil induct. (Le)2 x 1.1 mH/1 x 4.4 mH
Voice coil diameterØ 75.5 mm
Voice coil formeraluminium
Linear excursion (XMAX)± 11.1 mm
Eff. cone area (Sd)845 cm2
Magnet weight3.7 kg
Magnet diameterØ 180 mm
Mounting cutoutØ 356 mm
Mounting depth165 mm
Mounting hole diameter-
Hole spacing X-axis-
Hole spacing Y-axis-
DimensionsØ 402 mm x 180 mm
Outside diameterØ 402 mm
WidthØ 402 mm
Depth180 mm
Protective class
Admiss. ambient temp.0-40 °C
Weight10.62 kg
Sales unit1
Type of speaker
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