2 Inch x 3.5 Inch (50 mm x 90 mm) Medical Ventilator Alarm Speaker

Brand Name
Misco OEM
Part #
Built to Order

The REN23S-8A is a speaker precisely engineered to meet the critical demands of medical and aerospace signaling. Its unparalleled reliability makes it the perfect choice for devices in life-saving situations where clear and consistent signals are essential. This speaker's 8-ohm configuration delivers robust and dependable audio output, making it suitable for in-cabin communication and life-saving equipment.

The slim steel frame and powerful neodymium magnet ensure a robust audio output from a compact form, perfect for installation within the constricted confines of advanced equipment. The speaker's sturdy design and 10-inch lead set make it easy to install, providing dependable performance when every second counts.

  • Unmatched reliability for critical medical and aerospace signaling
  • 8-ohm configuration for precise and consistent signals
  • Slim steel frame and powerful neodymium magnet for a compact form
  • Sturdy design and 10-inch lead set for easy installation and dependable performance.

MISCO engineers use the world's most sophisticated loudspeaker measurement systems, including the Klippel Analyzer, to maximize and confirm the speaker's design and the Klippel QC module to ensure perfect unit-to-unit consistency and reliability. 


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More Information
Brand Name Misco OEM
Speaker Type Voice
Shape of Speaker Square
Size, Nominal (inch & mm) 2" Oval (50 mm)
Environment Outdoor
Application Indoor, Medical, Signal / Alarm Systems, Voice Communications
RoHS Compliant Yes
Rated Impedance (Ω) 8
Rated Power IEC268-5 (W) 6 Watts
Program Power (W) 12
Sensitivity (dB SPL) ¹ 82
Frequency Range (Hz) 300 - 10,000
DC Resistance (Re) (Ω) 6.2
Resonant Frequency (Fs) (Hz) +/- 15% 354
Nominal Impedance (Z) (Ω) 8
Mechanical Q Factor (Qms) 4.8
Electrical Q Factor (Qes) 2.2
Total Q Factor (Qts) 1.50
Basket Type Stamped steel
Voice Coil Wire Material Copper
Voice Coil Former Material Aluminum
Magnet Material Neodymium
Cone Body Material Paper
Cone Surround Material Paper
Dust Cap Material Paper
Net Weight (kg) 0.09
Technical Notes

¹Sensitivity is measured with 2.83 volt input, measured on-axis at 1 meter distance