15" Speaker 400w RMS Full Range Driver 8 Ohm - BSP15


This product is for pre-order, so there will be a longer lead time on deliveries.

Buy Now Pay Later, or pay just £16.66 over 3 payments with Klarna Payment Badge

Or only £16.66 p/m over 3 months with - Learn more

£49.99Incl. VAT Our Price
£69.99Incl. VAT Typically This represents the average price across other brands that offer the same level of functionality and features as this product
Earn 245 Sound Points!

Please Pre-Order - Delivery March 2021

This is our Classic 15" Pressed Steel Driver delivering 800w Program or 400w RMS at 8 ohms.

If you want a cheap poor sounding unreliable speaker designed and voiced overseas with mickey mouse ratings please buy elsewhere.

We make all our drivers in our own factory.

  • We make all our drivers in our own factory.
  • We only use British Paper Cones - Not recycled old paper and cardboard
  • We guarantee our work!
  • 75mm voice coil.
  • 60 Oz Magnet
  • Can be used effectively for Hi-Fi and PA
  • Smooth frequency response that gives a tone character when properly matched with our BRC135 HF unit
  • We focus on reliability and quality. The prices are fair because we are the manufacturer.

The 76mm voice coil and 60 Ounce magnet with our British paper cone truly makes all the difference to the sound quality.

This speaker fits all other popular makes of 15" active or passive speakers:

  • Alto
  • JBL
  • Mackie
  • FBT
  • Behringer
  • Wharfedale

The BishopSound Classic range of Pressed Steel drivers come in 8", 10", 12" and 15"

Our Classic 15″ PA speakers can be used in a range of cabinets both wood and plastic active or passive.

Bishopsound woofers are high-quality PA speakers. Made from professional grade materials the Classic Series features pressed steel baskets, Kapton coils, ferrite magnets, paper cones from ENGLAND with rolled cloth edge and push terminals.

Call Andrew now to check if this replacement speaker fits your cabinet.

  • RMS 400W
  • Woofer Size 15inch
  • Program Power 800W
  • Nominal Impedance 8Ω
  • Sensitivity 97dB
  • Magnet Weight 60 oz
  • 3 inch Voice Coil
  • Voice Coil Diameter 76.2 mm
  • Frequency Response 40-2kHz
  • Sensitivity (1 w - 1 m) 98.5 dB

  • Speaker Weight 9kg
  • Speaker Dimensions 41*41*18cm
  • Carton Weight


  • Voice-coil Diameter 75.5mm
  • Voice Coil Size 75.5mm
  • Sensitivity 97dB
  • Diameter Inch Size 15
  • Magnet Size 60OZ
  • Impedance Ohm Size 8Ω
  • Power Handling 400W
  • Frequency Range Khz 40-2kHz
  • Diaphragm Diameter Mm Size no
  • Minimum Impedance 6.4Ω
  • Voice-coil Winding Depth: 17.5
  • Coil Winding Depth Mm Size
  • Number Of Layers 2
  • Kind of layer: in/out OUT
  • Plate Thickness Mm 8
  • Nominal Diameter of 15
  • Nominal Impedance 8


  • Resonance Frequency FS 46
  • DC resistance Rte 5.5
  • Mechanical Factor Qms 7.8
  • Elec Factor Qes 0.32
  • Total Factor Qts 0.3
  • BL Factor BL 17.6
  • Effective Moving Mass Mms 60.5
  • Equivalent Cas Air Load Vas 92
  • Effective Piston Area sd 0.855
  • Max.Linear Excursion Xmax 5.5
  • Half-Space Efficiency Eff 2.10%


  • Overall Diameter 381 mm
  • Flange Height 8.89 mm
  • Baffle Hole Dia R/M 352 mm
  • Gasket Supplied Front & Rear
  • Fixing Holes 8x 6.35 mm on 369.2 mm PCD
  • Depth of 165mm
  • Recommended Enclosure Volume 50 - 125 litres
  • Shipping Weight 10 kg
  • Packing Carton Dimensions 220 x 420 x 420 mm
  • Overall Diameter 385
  • Boil Circle Diameter 353
  • Bolt Hole Diameter 370
  • Front Mount Baffle Cut 7
  • Net Weight 9kg

Your Guarantee is for 12 months and starts from delivery date but please read on. The warranty is recorded with the BishopSound Order number which begins with a B. Please download and keep a copy of your invoice and keep it safe.

We know problems can occur from time to time so even after 1 year I am here to help. We carry parts and we treat everyone as we expect to be treated ourselves so we will work hard to get a win win.

We still help people who bought from us at Carlsbro 30 years ago with parts (if they are available) repairs and solutions. BishopSound prides itself on treating every customer as a family friend.

In short if the problem was caused by me its up to me to fix it. If you had an accident then I will try my hardest to fix it at little or no cost to you. This guarantee is in addition to, and does not affect your statutory rights or the other right of consumer purchases.

For more information, please see our Terms & Conditions

    Get in touch with BishopSound today for professional and friendly advice. Alternatively, you can call us on 01765 698 233 or 07973 223949. If you want to send a direct email please use andrew@bishopsound.com or victoria@bishopsound.com.

    If you have a question for Andrew use this form or Live Chat for a fast reply.