• IP66 waterproof protection
• Extreme temperature: -50 ° C / + 55 ° C
• Available in 2 models: 8 Ohms and 100V
• Gas group: IIB and IIC
• Stainless steel fixing brackets The DSP-25 explosion-proof speaker has excellent bandwidth that can play sound, voice or music. This product is available in 2 models: 8 Ohms and 100V. It is designed for use in explosive atmospheres zones 1, 2 (gas) and zone 21, 22 (dust).