Free Design Quote

DB4B Outdoor Loudspeaker 25W by Wheelock MEDC

Be the first to review this product


Regular Price: $2,457.38

Special Price: $1,376.13

Add to Cart


Product Features

  • Addressable capability

  • Power tappings, via integral transformer

  • Ratcheted swivel bracket

  • Stainless steel sinter

  • Stainless steel mounting bracket

  • IECEx certified Gb, Db

  • GOST ‘R’ & ‘K’ certified

  • Chinese (CQST) certified

  • Brazilian (Inmetro) certified

  • UL listed for USA and Canada

  • Class I, Div 2, Groups A-D

  • Class II, Div 2, Groups F & G

  • Class I, Zones 1 & 2, AExd IIC, T5.

  • Optional Exe terminal chamber

  • IP66 and IP67

  • SIL 2 Certified

  • Certified temperature: –55°C to +70°C*

  • GRP corrosion-free flamepaths

  • 119dBA at 25 watts at 1 metre

  • 8, 15, 20 and 25 watt versions

  • BS 5839, part 8 compliant versions available

  • Tapered flamepath

DB4B Outdoor Loudspeaker 25W by Wheelock MEDC

Double click on above image to view full picture

Zoom Out
Zoom In

More Views

  • DB4B Outdoor Loudspeaker 25W by Wheelock MEDC


The DB4B Outdoor Loudspeaker 25W by Wheelock MEDC is a high power designed for both hazardous areas and ordinary locations in a corrosion free, aesthetically pleasing finish.

This explosionproof and weatherproof loudspeaker is made with the EX enclosure: a flame retardant, UV stable, glass reinforced polyester for use in a wide range of temperatures, from -67ºF to +185ºF. 

Introduced with improved intelligibility and acoustic performance for replacing the current DB4 weatherproof loudspeaker. 


  • Finish
    Flare - natural black, natural red or painted as specified 
    Body - natural black
  • Material
    Hardware - bracket, fixings and captive cover screws in 316 stainless steel
    Flare - flame retardant, thermoplastic, high impact, UV stable polyester (UV stability tested to ISO 4892 part 3)
    EX enclosure - flame retardant, glass reinforced, UV stable,  polyester

  • Fire retardancy
    Outer flare - thermoplastic polyester. V0 flammability rating
    Body - glass reinforced polyester. V0 flammability rating
  • Rated power
    8W, 15W or 25W

  • Terminals
    8 x 12AWG

  • Mounting arrangement
    Stainless steel bracket with ratchet facility, optional swivel bracket available

  • Frequency range
    Frequency response 350Hz - 8kHz
    8W and 15W units are available for use @ 200Hz

  • Weight
    11lbs/5.0kg, (Long flare with transformer)
  • Ingress protection
    NEMA 4X & 6, IP66 & IP67. (IPx7 & NEMA 6 on terminal chamber only)

  • Entries
    Up to 2 x 1/2” NPT or M20. Blanking plug available
  • Labels
    Optional duty and tag labels available

  • Dispersion angle
    Long flare (short in brackets), -6dB, 1kHz = 140º (240º), 4kHz = 40º (50º)

  • Driver impedance

  • SPL 1W/10 feet (sensitivity)
    100dB (IIC long flare)

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.

At Telcom & Data we strive for long term customer relationships, that' why we offer a 60 day 100% money back guarantee on ALL of our products. (Except Special Made-to-Order Products, including Wheelock MEDC and Explosion Proof Products)

If you are not happy with a product for any reason simply call us at 800-335-0229 and request a Return Authorization number for a full 100% credit. All returns require prior authorization, please. Returned items must be repacked in ORIGINAL packaging NO EXCEPTIONS. Telcom & Data wants to be your one stop telecommunications company. Let us know how were doing by calling 800-335-0229 and ask for extension 832.

Write Your Own Review

You're reviewing: DB4B Outdoor Loudspeaker 25W by Wheelock MEDC

How do you rate this product? *

  1 star 2 stars 3 stars 4 stars 5 stars