Boss GT-1B Bass Guitar Effects Processor

The GT-1B gives bass players a massive range of pro tone-shaping power in a small and robust package.

Backed by BOSS’s flagship sound engine, you have full access to a huge selection of bass-optimized amps and effects for stage and studio playing. The streamlined interface lets you dial in sounds fast, while the onboard control switch and expression pedal enable you to adjust multiple effects in real time.

Sampling Frequency44.1 kHzAD Conversion24 bits + AF method

* AF method (Adaptive Focus method) is a proprietary method from Roland & BOSS that vastly improves the signal-to-noise (SN) ratio of the AD and DA converters.

DA Conversion 24 bits Effects90 types Patches99 (User) + 99 (Preset)Phrase Loop32 sec.Nominal Input Level INPUT: -10 dBu, AUX IN: -20 dBu Maximum

Input Level INPUT: +7 dBu, AUX IN: 0 dBuInput Impedance INPUT: 1 M ohm, AUX IN: 27 k ohms Nominal Output Level OUTPUT (L/MONO, R): -10 dBu,

PHONES: -10 dBu Output Impedance OUTPUT (L/MONO, R): 1 k ohm, PHONES: 44 ohms Recommended Load Impedance OUTPUT (L/MONO, R): 10 k ohms or greater, PHONES: 44 ohms or greater Controls DOWN switch, UP switch CTL1 switch

EASY SELECT button, EASY EDIT button, FX1/LIMITER button, OD/DS button, PREAMP button, FX2/MOD button, DELAY button, REVERB button,

MEMORY EDIT button, EXIT button, ENTER button, MENU button
1 knob, 2 knob, 3 knob

Expression pedal Display Graphic LCD (132 x 32 dots, backlit LCD)Connectors INPUT jack, OUTPUT (L/MONO, R) jacks: 1/4-inch phone type
CTL2, 3/EXP2 jack: 1/4-inch TRS phone type
AUX IN jack: Stereo miniature phone type
USB COMPUTER port: USB type B
DC IN jack Power Supply Alkaline battery (AA, LR6) x 4, AC adaptor (sold separately)Current Draw 200 mA Expected battery life under continuous use Alkaline:

Approx. 7 hours
* These figures will vary depending on the actual conditions of use.Accessories Owner's manual
Leaflet "USING THE UNIT SAFELY"
Alkaline battery (AA, LR6) x 4Options (sold separately)AC adaptor: PSA series
Footswitch: FS-5U, FS-5L, FS-6, FS-7
Expression Pedal: FV-500L, FV-500H, EV-30, Roland EV-5SIZE AND WEIGHTWidth305 mm
12-1/16 inchesDepth152 mm
6 inchesHeight56 mm
2-1/4 inchesMaximum height74 mm
2-15/16 inchesWeight (including battery)1.3 kg
2 lbs 14 oz