Boss GT-1B Bass Multi-Effects Pedal

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. And by connecting to BOSS TONE CENTRAL, you can download new patches, editing software, and more. Compact, rugged, and battery powered, the GT-1B is the ultimate mobile tone companion for every bassist.

Features

• Premium BOSS sound engine specially tuned for bass
• Pro-level amps and effects in a light, compact floor unit
• Essential tools on board for optimizing your core bass tone
• Includes advanced MDP effects for maximum musical expression
• Modern design with no hard edges enables safe transport in an instrument bag
• Easy Select and Easy Edit functions for quickly choosing and tweaking patches
• Four AA batteries provide approximately seven hours of mobile playing time
• Onboard control switch and expression pedal; footswitch/expression pedal jack and USB
• Download pro patches and editor software for free at BOSS Tone Central
• Download and share Livesets at BOSS Tone Exchange

Specs

• Sampling Frequency: 44.1 kHz
• AD Conversion: 24 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
• Effects: 90 types
• Patches: 99 (User) + 99 (Preset)
• Phrase Loop: 32 sec.
• Nominal Input Level: INPUT: -10 dBu, AUX IN: -20 dBu
• Maximum Input Level: INPUT: +7 dBu, AUX IN: 0 dBu
• Input 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, PHONES 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 4