Rated Power Output
100 W
Nominal Input Level
INPUT: -10 dBu (1 M ohms)
AUX IN: -10 dBu (20 k ohms)
RETURN IN: -10 dBu (100 k ohms)
Speaker
30 cm (12 inches) x 1
Controls
POWER switch
PRESENCE knob
MASTER knob
SOLO button
POWER CONTROL switch (STANDBY, 0.5 W, HALF, MAX)
CAB RESONANCE switch (VINTAGE, MODERN, DEEP)[AMPLIFIER]
VARIATION button
AMP TYPE switch (ACOUSTIC, CLEAN, PUSHED, CRUNCH, LEAD, BROWN)
GAIN knob
VOLUME knob
[EQUALIZER]
CONTOUR button
BASS knob
MIDDLE knob
TREBLE knob
[EFFECT]
BOOSTER button
MOD button
FX button
DELAY button
REVERB button
TAP button
BOOSTER knob
MOD knob
FX knob
DELAY knob
REVERB knob
[TONE SETTING]
CH1 button
CH2 button
CH3 button
CH4 button
PANEL button
[STEREO EXPAND]
STEREO EXPAND switch 
Indicators
VARIATION
ACOUSTIC
CLEAN
PUSHED
CRUNCH
LEAD
BROWN
CONTOUR
BOOSTER
MOD
FX
DELAY
REVERB
TAP
SOLO
CH1
CH2
CH3
CH4
PANEL
Connectors
INPUT jack: 1/4-inch phone type
POWER AMP IN jack: 1/4-inch phone type
LINE OUT jack: 1/4-inch phone type
SEND jack: 1/4-inch phone type
RETURN jack: 1/4-inch phone type
STEREO PHONES jack: Stereo 1/4-inch phone type
EXP PEDAL jack: 1/4-inch TRS phone type
GA-FC/CTL CH1/CH2 SOLO jack: 1/4-inch TRS phone type
AUX IN jack: Stereo miniature phone type
USB port: USB C type
BLUETOOTH ADAPTOR SLOT: Bluetooth® Audio MIDI Dual Adaptor
AC IN jack
Power Consumption
77 W
Accessories
Owner's manual
Power cord
GA-FC sticker
Options (sold separately)
Footswitch: BOSS FS-5L, BOSS FS-6, BOSS FS-7
Expression pedal: Roland EV-5, BOSS EV-30, BOSS FV-500L, BOSS FV-500HGA FOOT CONTROLLER (GA-FC,GA-FC EX)
Bluetooth® Audio MIDI Dual Adaptor (Model BT-DUAL)
Amplifier Stand: BAS-1
Size and Weight (Include handle and rubber feet)
Width 530 mm 20-7/8 inches
Depth 248 mm 9-13/16 inches
Height 445 mm 17-1/2 inches
Weight 14.8 kg 32 lbs 11 oz
* 0 dBu = 0.775 Vrms