BOSS GP-10GK Guitar Processor

Modeling
    Electric guitar: 12 types
    Acoustic: 9 types
    Bass: 3 types
    Guitar synthesizer: 3 types
    Poly FX: 5 types
Alternate Tuning
    OPEN: D, E, G, A
    DROP: D to A
    D-MODAL
    NASHVILLE
    SHIFT: -12 to +12
    USER
    12-string guitar function
Effects
    Preamp: 30 types
    FX: 16 types (including OD/DS)
    OD/DS: 21 types
    Wah: 6 types
    Chorus: 3 types
    Delay: 10 types
    Reverb: 7 types
    EQ: 1 type
    Noise Suppressor(NS): 1 type
Patch Memory
    99
AD Conversion
    GK Pickup: 24 bits
    GUITAR IN: 24 bits + AF method
DA Conversion
    24 bits
Sampling Frequency
    44.1 kHz
Nominal Input Level
    GUITAR INPUT: -10 dBu
    AUX IN: -20 dBu
Input Impedance
    GUITAR INPUT: 1 M ohm
    AUX IN: 27 k ohms
Nominal Output Level
    OUTPUT L/MONO, R: -10 dBu
    GUITAR OUT: -10 dBu
    PHONES: -10 dBu
Output Impedance
    OUTPUT L/MONO, R: 2 k ohms
    GUITAR OUT: 2 k ohms
    PHONES: 44 ohms
Recommended Load Impedance
    OUTPUT L/MONO, R: 20 k ohms or greater
    GUITAR OUT: 20 k ohms or greater
    PHONES: 16 ohms or greater
Pedals
    Pedal switch x 4
    Expression pedal x 1
Display
    16 characters, 2 lines (backlit LCD)
Connectors
    GK IN connector: 13-pin DIN type
    GUITAR IN jack: 1/4-inch phone type
    GUITAR OUT jack: 1/4-inch phone type
    OUTPUT (L/MONO, R) jacks: 1/4-inch phone type
    PHONES jack: Stereo miniature phone type
    AUX IN jack: Stereo miniature phone type
    EXP 2/CTL 3, 4: 1/4-inch TRS phone type
    USB port: USB type B
    DC IN jack
Power Supply
    AC adaptor
Current Draw
    350 mA
Accessories
    AC adaptor
    Owner's manual
    Leaflet "USING THE UNIT SAFELY"
    Divided pickup (Roland GK-3) (only for GK included model)
    GK cable (3 m, 10 feet) (only for GK included model)
Options (sold separately)
    Divided pickup: Roland GK-3
    GK cable: Roland GKC-5 (5 m), GKC-10 (10 m)
    GK parallel cable (GK pickup <--> GK connector x 2): Roland GKP-2
    Unit selector: Roland US-20
    Footswitch: FS-5U
    Dual footswitch: FS-6, FS-7
    Expression pedal: Roland EV-5, FV-500L/500H

Size and Weight
Width
    251 mm
    9-15/16 inches
Depth
    207 mm
    8-3/16 inches
Height
    71 mm
    2-13/16 inches
Weight
    1.9 kg
    4 lbs. 4 oz.