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Roland Boutique TB-03 Bassline Synthesizer

BH #ROTB03 • MFR #TB-03
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Roland Boutique TB-03 Bassline Synthesizer
Key Features
  • Recreation of Original TB-303
  • Retains Sound, Character, and Interface
  • Hands-On Control of Parameters
  • Includes LED Display, Overdrive, Delay
The Boutique TB-03 Bassline Synthesizer from Roland features the classic sounds of the original TB-303 in the palm of your hand. The TB-03 retains the same layout and controls as the original but with several enhancements. Utilizing Roland's Analog Circuit Behavior (ACB) technology, the unit recreates the liquid grooves of the magic silver box. The enhanced feature set includes a four-digit LED display, which allows for precision sequencing, while the on-board overdrive and delay effects unleash a torrent of twisted, tribal sounds capable of sending an audience into a frenzy. The TB-03 ships in a silver Boutique DK-01 case and can be powered via USB or the included four AA batteries.
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Roland TB-03 Overview

The Boutique TB-03 Bassline Synthesizer from Roland features the classic sounds of the original TB-303 in the palm of your hand. The TB-03 retains the same layout and controls as the original but with several enhancements. Utilizing Roland's Analog Circuit Behavior (ACB) technology, the unit recreates the liquid grooves of the magic silver box. The enhanced feature set includes a four-digit LED display, which allows for precision sequencing, while the on-board overdrive and delay effects unleash a torrent of twisted, tribal sounds capable of sending an audience into a frenzy. The TB-03 ships in a silver Boutique DK-01 case and can be powered via USB or the included four AA batteries.

Roland's Analog Circuit Behavior
You know when you hear a TB-303—a hypnotic, tribal sound that works best in dark, crowded rooms with big sound systems. Using the same ACB (Analog Circuit Behavior) technology from the acclaimed AIRA series, the TB-03 accurately emulates the expressive, slippery sound of its older brother, and even adds a few surprises. Saw and square waveforms are available, along with all of the rotary control knobs that help shape the 303's unique character, including tuning, cutoff, resonance, envelop mod, decay, and accent
Features Not Found in the Original
The TB-03 includes several enhancements over the original TB-303. Firstly, the four-digit LED display makes programming easier and more detailed, since you now have a visual representation of the value being edited. Then there are a variety of overdrive, delay, and reverb effects that dramatically change the mood and tone of the TB-03, going from smooth to spiky to squealing. Programming patterns is also easier thanks to added functions that include step write, shuffle, and fine tempo control. Finally, the inclusion of MIDI and USB ports mean that the TB-03 can send and receive control information and connect easily to computer-based DAWs
Classic TB Sequencer with Enhanced Functions
If you're familiar with the TB-303's programming method, then you'll feel right at home with the TB-03. The original Pitch and Time write modes are included, along with an added Step mode. Pattern programming is also enhanced by the LED display, which shows the current step in the sequence as well as showing fine tempo values (such as 125.5 BPM). The internal sequencer can be triggered externally via the trigger input, and you can even switch between write and play modes without stopping pattern playback, opening up many possibilities for live performance
Connect with External gear
The TB-03 includes MIDI In/Out ports and USB, allowing control information to be exchanged with other instruments and devices. This turns the TB-03 into a versatile controller, especially as you can use the CV/Gate output to control external analog gear and modular synthesizers. This level of control works both ways, thanks to the trigger input that lets external gear drive the TB-03's internal sequencer. Once connected to a Windows computer or Mac, both audio and MIDI data can be sent through the USB port
Battery or USB Bus Power
Some of the best music is made away from the studio, so the Roland Boutique series runs on 4 x AA batteries, ready for when inspiration strikes. Alternatively, the TB-03 can run on USB bus power
USB Audio Interface for Direct Recording to Your DAW
Via its USB port, the TB-03 functions as a high-quality 24-bit/96 kHz audio interface, providing a simple and reliable way of recording directly to your DAW application. You can keep your favorite settings and sequencer patterns safe too via the USB data backup function
UPC: 761294509487

Roland TB-03 Specs

Memory
User Memory
Patterns: 96 (4 groups (I, II, III, IV) x 3 sections (A, B, C) x 8 patterns)
Tracks: 7
Waveform
2 (Saw, Square)
Controllers
Volume knob
Tuning knob
Cutoff Freq knob
Resonance knob
Env Mod knob
Decay knob
Accent knob
Overdrive knob
Delay Time knob
Delay Feedback knob
Waveform knob
Track Pattern Group selector
Mode Selector
Tempo button
Value knob
Pattern Clear button
Run/Stop button
Pitch Mode button
Function button
Keyboard buttons (C, C#, D, D#, E, F, F#, G, G#, A, A#, B, C)
Time Mode button
Transpose Up/Down buttons
Accent button
Slide button
Back button
Tap button
Effects
Overdrive (Overdrive/Distortion)
Delay (Tape Echo/Digital Delay/Reverb)
Indicators
7 segments, 4 characters (LED)
Pitch Mode LED
Normal Mode LED
Time Mode LED
Connectors
Trigger In: 1/8" / 3.5 mm mono (TS)
CV Output: 1/8" / 3.5 mm mono (TS)
Gate Output: 1/8" / 3.5 mm mono (TS)
Headphones: 1/8" / 3.5 mm stereo (TRS)
Output: 1/8" / 3.5 mm stereo (TRS)
Mix In: 1/8" / 3.5 mm stereo (TRS)
MIDI In/Out: 2 x 5-pin DIN
USB Port: micro-USB Type-B (Audio, MIDI)
Power
Rechargeable Ni-MH battery (AA, HR6) x 4
Alkaline battery (AA, LR6) x 4
USB bus power
Current Draw
500 mA (USB bus power)
Battery Life
Rechargeable Ni-MH battery: Approx. 5 hours
Dimensions
12.1 x 5.1 x 2.0" / 308.0 x 130.0 x 52.0 mm
Weight
33.2 oz / 940.0 g
Packaging Info
Package Weight
3.9 lb
Box Dimensions (LxWxH)
13.9 x 7.1 x 3.8"

Roland TB-03 Reviews

Easy to use cuts through the mix well

By Martin
Rated 5 out of 5
Date: 2026-04-29

The built-in effects are useful and it has the classic acid sound that works well within your mix. For the sound and build quality it's a good buy as suppose to the more expensive and even cheaper options.

Oh the squelching Joy

By Kenneth
Rated 5 out of 5
Date: 2025-01-02

Thank you Roland for making this available. It's a thing of beauty. Despite the online complains about its digital soul and some differences to the original, I couldn't care less. I love this thing. It's my 4th Boutique and they are all so seriously cute. Love at first sight.

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