Boss SY-1 Guitar Synthesizer

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Nominal Input Level
    INPUT, RETURN: -20 dBu
Input Impedance
    INPUT, RETURN: 2.2 M ohms
Nominal Output Level
    OUTPUT, SEND: -20 dBu
Output Impedance
    OUTPUT, SEND: 1 k ohms
Recommended Load Impedance
    10 k ohms or greater
Bypass
    Buffered bypass
Controls
    Pedal switch
    GUITAR/BASS switch
    TYPE knob
    VARIATION knob
    TONE knob
    DEPTH knob
    EFFECT knob
    DIRECT knob
Indicator
    CHECK indicator (Serves also as battery check indicator)
Connectors
    INPUT jack: 1/4-inch phone type
    OUTPUT jack: 1/4-inch phone type
    SEND jack: 1/4-inch phone type
    RETURN jack: 1/4-inch phone type
    EXP/CTL jack: Stereo 1/4-inch phone type
    DC IN jack
Power Supply
    Alkaline battery (9 V, 6LR61)
    AC adaptor (PSA series: sold separately)
Current Draw
    85 mA
Expected battery life under continuous use
    Alkaline: Approx. 3 hours
    *These figures will vary depending on the actual conditions of use.
Accessories
    Owner's manual
    Leaflet ("USING THE UNIT SAFELY," "IMPORTANT NOTES," and "Information")
    Alkaline battery (9 V, 6LR61)
Options (sold separately)
    AC adaptor: PSA series
    Footswitch: FS-5U
    Dual footswitch: FS-6, FS-7
    Expression pedal: FV-500H, FV-500L, EV-30, Roland EV-5
Size and Weight
Width
    73 mm
    2-7/8 inches
Depth
    129 mm
    5-1/8 inches
Height
    59 mm
    2-3/8 inches
Weight (including battery)
    450 g
    1 lb
* 0 dBu = 0.775 Vrms
*The specifications are subject to change without notice.

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