The GX-1 delivers professional-grade sound and features in an ultra-portable platform for practice, recording, and performance. Authentic GX series amp and effect algorithms supply endless creative fuel, while the high-res color display, intuitive effect buttons, and Gear Suite tools make sound creation a snap. Rugged, powerful, and remarkably compact, the GX-1 is filled with inspiring tones for every guitarist, from beginning players to touring pros seeking an all-in-one travel solution with no-compromise sound.
Sampling Frequency: 48 kHz
AD Conversion: 24 bits + AF method (Adaptive Focus method — proprietary Roland & BOSS method improving signal-to-noise ratio of AD/DA converters)
DA Conversion: 32 bits
Processing: 32-bit floating point
Effects: 146 types
Memories: 99 (User) + 99 (Preset)
Phrase Loop: 38 sec (MONO), 19 sec (STEREO)
Tuner Internal Detection: ±0.1 cent
Nominal Input Level: INPUT: -10 dBu
Maximum Input Level: INPUT: +7 dBu
Input Impedance: INPUT: 1 MΩ
Nominal Output Level: OUTPUT (L/MONO, R): -10 dBu, PHONES: -10 dBu
Output Impedance: OUTPUT (L/MONO, R): 1 kΩ, PHONES: 44 Ω
Recommended Load Impedance: OUTPUT (L/MONO, R): 10 kΩ or greater, PHONES: 44 Ω or greater
Controls:
DOWN switch, UP switch, CTL1 switch, EXP1 switch, DOWN button, UP button, MENU button, EXIT button, ENTER button, 1–3 knobs, EXP1 pedal, FX1/COMP button, OD/DS button, AMP/CAB button, FX2/EQ button, FX3/MOD button, DELAY button, REVERB button, EDIT button, PEDAL FX button
Display: Color Graphic LCD (320 × 240 dots)
Connectors:
INPUT jack, OUTPUT (L/MONO, R) jacks (1/4-inch phone type), PHONES jack (miniature phone type), CTL2,3/EXP2 jack (1/4-inch TRS phone type), USB COMPUTER port (USB Type-C), DC IN jack
Power Supply:
Alkaline battery (AA, LR6) × 4, USB bus power, AC adaptor (PSA-S series, sold separately)
Current Draw: 250 mA (AC adaptor/battery), 400 mA (USB)
Expected Battery Life (Alkaline): Approx. 5 hours
varies depending on conditions
Accessories: STARTUP GUIDE, Alkaline batteries (AA, LR6) × 4, Leaflet “Read Me First”
Options (Sold Separately): AC adaptor (PSA-S series), Footswitches (FS-5U, FS-5L, FS-6, FS-7), Expression pedals (EV-30, FV-500L, FV-500H, Roland EV-5), Wireless MIDI Expression Pedal (EV-1-WL), Wireless Foot Switch (FS-1-WL), Carrying Bag (CB-BM-S)
Size & Weight:
Dimensions: 307 × 149 × 56 mm (12-1/8 × 5-7/8 × 2-1/4 in)
Max height: 307 × 149 × 73 mm (12-1/8 × 5-7/8 × 2-7/8 in)
Weight: 1.2 kg (2 lb 11 oz)
Korpa 
