Signal / Alarm Devices

MISCO’s audio alarm & signaling speakers are designed to produce alarm signals where high output sounds are required. These speakers are rugged and reliable for high or frequent duty cycles. We can help you identify the most suitable speaker for your system application. We are here to help.

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  1. 1.2 x 2.8" (30 mm x 70 mm), 8 Ohm, Oval Alarm & Voice Speaker

    Part # 70053

    1.2 x 2.8" (30 mm x 70 mm), 8 Ohm, Oval Alarm & Voice Speaker
    $0.00
    Size, Nominal (inch & mm) 1.18" x 2.76" (30 mm x 70 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 5 watts
    Sensitivity (dB SPL) ¹ 81
    Frequency range (Hz) 480 - 20,000
    Resonant Frequency (Fs) (Hz) 480
  2. Mylar indoor/outdoor voice range speaker 2 inch square OEM model 50SA08M

    Part # 50SA08M

    2" (50 mm) Clear Mylar, Voice Range Speaker
    $0.00
    Size, Nominal (inch & mm) 2" (50 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 0.5 Watts
    Sensitivity (dB SPL) ¹ 88
    Frequency range (Hz) 500 - 6,000
    Resonant Frequency (Fs) (Hz) 500
  3. MISCO, Minneapolis Speaker Company, OEM, 2.25" (57mm), Steel, Cloth, Ferrite, Alarm Speaker, Klippel

    Part # 57RFT-8A

    2.25" (57 mm) Peaked Response Alarm Speaker
    $0.00
    Size, Nominal (inch & mm) 2.25" (57 mm)
    Nominal Impedance (Z) (Ω) 8
    Rated Power IEC268-5 (W) 4 Watts
    Sensitivity (dB SPL) ¹ 106
    Frequency range (Hz) 1250 - 13,000
    Resonant Frequency (Fs) (Hz) 1300
  4. MISCO, Minneapolis Speaker Company, 3.4" (86mm), Paper, Steel, Alnico, Voice & Alarm, Klippel

    Part # C5-15-4873

    3.4" (86 mm) Alarm and Voice Speaker
    $0.00
    Size, Nominal (inch & mm) 3.4" (86 mm)
    Nominal Impedance (Z) (Ω) 3
    Rated Power IEC268-5 (W) 3 Watts
    Sensitivity (dB SPL) ¹ 91
    Frequency range (Hz) 300 - 12k
    Resonant Frequency (Fs) (Hz) 450
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