EATON MEDC DB4B Explosion-Proof ATEX Loudspeaker 15W/100V

The EATON MEDC DB4B ATEX loudspeaker (Crouse-Hinds series) is a high-power, explosion-proof (Ex d/Ex de) loudspeaker designed for installation in hazardous areas (ATEX zones) across marine, oil & gas, and industrial applications. It was introduced as a replacement for the earlier DB4 model, offering improved voice intelligibility and acoustic performance across a wide certified temperature range.

Technical Specifications:

• Product code: DB4BDG15100N2BPNN
• Rated power: 15W
• Transformer power tapping: 100V
• Frequency response: 350Hz – 8kHz
• Sensitivity (SPL @ 1W/1m): 110dB
• Sound pressure level at 1m (15W version): up to 122dB
• Driver impedance: 8Ω
• Certified operating temperature: -55°C to +85°C (model dependent)*
• Ingress protection: IP66 & IP67 / NEMA 4X & 6
• Enclosure material: Glass-reinforced polyester (GRP)
• Flare material: High-impact, UV-stable thermoplastic polyester
• Cable entries: 2 x M20 (1 with blanking plug)
• Mounting bracket: Stainless steel with ratchet facility
• Certification of this variant: TR CU (EAC) Ex d Gas — code ‘DG’ (1Ex d IIC T4/T5/T6 Gb)
• Other certifications available in the DB4B range: ATEX, IECEx, cULus, CQST, SIL 2, DNV GL (IEC60945)
• Manufacturer: EATON MEDC (Crouse-Hinds Series)

*Maximum operating temperature depends on wattage and certification variant — see confidence notes.

An ideal choice for public address and general alarm systems on ships, offshore platforms and industrial plants requiring certified explosion-proof equipment.