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LED power meter kit image Zoom

LED power meter kit

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SKU: K4021
Made for the K4020
SKU: K4021

Availability: In stock
Assembly Required: Yes

CA$56.19 Country Flag
Product Description



    12-LED display

    LED scale illumination

    Wide range of power indication

    APPLICATIONS 300W/600W MOSFET amplifier

    Power monitoring for your own amp

    In-Car audio, Disco Equipment

    k4021.JPG (8764 bytes)These power meter are designed to give a visual representation of the output power from amplifiers built around the 300W MOSFET amplifier modules (K4010).ᅠ A visual indication of the instantaneous power output of your amplifier is usefulᅠ in that you can 'see' if you are about to exceed the loudspeakers, maximum input power level, or by running the amplifier into clipping, which can easily damage the tweeters.ᅠ

    Two boards, one board for each channel, are mounted vertically to provide a professional visual display of power output for each channel. ᅠ If the amplifiers are bridged, the meters are mounted horizontally and connected in series.ᅠ Each board uses 12 LEDs to indicate the power out, and 16 LEDs for scale illumination.ᅠ The scales can be 0.001W to 100W/8ohms or 0.002W to 200W /4ohms (mounted vertically) or0.001W to 400W /8ohms (mounted horizontally, divided over 24 LEDs) for bridged mono.ᅠ The boards require ᄆ40V DC that is supplied by the amplifier.


    Number of LEDs (power indication) 12
    Number of LEDs (scale illumination) 16
    Power supply (from amplifier module) ᄆ40V DC at 60mA (max)
    PCB size 72 x 78mm
    Scale (8ohm load, 300W) 0.001W, 0.005W, 0.01W, 0.05W
    0.1W, 0.5W. 1W, 5W, 10W
    50W, 75W, 100W
    Scale (4ohm load, 300W) 0.002W, 0.01W, 0.02W, 0.1W,
    0.2W, 1W,2W,10W,
    20W, 100W, 150W, 200W
    Scale (8ohm load, 600W bridged mode) 0.001W, 0.002W, 0.005W, 0.01W,
    0.02W, 0.05W, 0.1W, 0.2W, 0.5W,
    1W, 2W, 5W, 10W, 15W, 20W,
    40W, 60W, 80W, 100W, 150W,
    200W, 250W, 300W, 400W
Additional Information

    Additional Information

    SKU K4021
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