GT-4 is a 4 band EQ with Chromatic tuner, feedback-fighting notch and phase effect. The visible portion of GT-4 is only 52mm*54mm*4mm. Low battery message will be displayed when the battery is getting low.

 

PARAMETERS:

    Features: 3 band EQ / chromatic tuner / feedback-fighting notch filter / phase / mid frequency control
    Input impedance: 10MΩ
    Frequency Response: 20Hz-20kHz
    Control Range: Low ±12dB at 100Hz / Middle ±12dB at 250Hz-10kHz / High ±12dB at 6kHz
    Pick-up: piezo ceramic pick-up
    Output jack: 6.35mm
    Low battery check LED
    Battery life: over 100 hours
    Power supply: 9V alkaline battery
    Dimensions: 54mm(L) x 52mm(W)​​​