Digitech TRIO+ Stompbox

Smart Band-in-a-Box Stompbox for Solo Guitarists

The DigiTech Trio+ is a guitar pedal that listens to the way you play and automatically generates bass and drum parts that match your song. Press the Band footswitch, play a chord progression, and the pedal returns a full rhythm section in your chosen genre. Solo guitarists, songwriters, and practice players get a backing band on demand without programming drum machines or hiring musicians.

What Sets the Trio+ Apart in the Band-Creator Category

Unlike a traditional drum machine, this pedal learns directly from your playing — chord voicings, tempo, and rhythm — then generates a matching bass line and drum pattern. Built-in FX send and FX return jacks integrate external stompboxes without coloring the band's signal. Multi-colored LEDs around the Style encoder indicate which of the 12 styles best fits your song, and the included 8 GB microSD card stores up to 12 songs with the free Trio Manager software.

Signal Flow and Connectivity — Plug-and-Play Integration

The unit sits between your guitar and amp, with a flexible I/O layout that fits most pedalboards. A 1 MΩ guitar input preserves your pickup's full frequency range, while dedicated FX send and FX return jacks let you patch in external effects.

• Guitar Input: 6.35 mm TS, 1 MΩ impedance — high-impedance input preserves passive pickup tone
• FX Send / FX Return: 6.35 mm TS, 1 kΩ — insert external pedals without affecting the band's signal
• Amp Output: 6.35 mm TS mono, 1 kΩ — sends the dry guitar signal to your amplifier
• Mixer Output: 6.35 mm TS, 1 kΩ — routes bass and drums separately to a mixer or audio interface
• Headphone Output: 3.5 mm TRS stereo, 120 Ω — silent practice with dedicated volume control
• Control Input: 6.35 mm TRS — compatible with the optional DigiTech FS3X footswitch for hands-free part switching
• USB Port: USB connectivity — connect to a computer for the free Trio Manager software (Windows and Mac)

Audio Engine and Storage — Studio-Grade Specs in a Stompbox

Under the hood, the audio engine runs at 24-bit / 44.1 kHz with a 110 dB A-weighted signal-to-noise ratio for clean playback. Songs and loops save to a microSDHC card (Class 10, 8 GB included, up to 32 GB supported), and each song part records up to 230 seconds of audio.

• Bit Depth: 24-bit — captures the full dynamic range of your guitar
• Sample Rate: 44.1 kHz — CD-quality audio resolution
• Signal-to-Noise Ratio: 110 dB A-weighted — clean playback with minimal hiss
• Maximum Recording Time: 230 seconds per song part — enough for full-length arrangements at 50 BPM and 48 bars
• SD Card Support: microSDHC Class 10, 8–32 GB — stores up to 12 songs with loops

Controls and Power — Hands-On Mixing and Song Building

The top panel gives direct access to mix levels and song structure without menu-diving. Dedicated knobs for Bass, Drums, Loop, and Headphone Volume balance the mix in real time, while Genre and Style encoders select from 12 genres and 12 styles per genre. Power comes from the included 9 V DC adapter.

• Mix Controls: Bass, Drums, Loop, Headphone Volume — independent level adjustment for each element
• Song Structure Controls: Genre, Style, Tempo — pick genre, refine style, set global playback tempo
• Footswitches: Looper, Band — record loops and trigger the learned band with one tap each
• Backlit Buttons: Guitar FX, Seq, Part 1–5, Alt Time, Song, Simple Bass — access built-in effects, sequencing, and 5 song parts
• Power Requirements: 9 V DC adapter, 800 mA, 7.2 W — included in the box, no battery operation
• Dimensions: 137 × 108 × 64 mm — compact stompbox form factor
• Weight: 622 g — solid metal housing for pedalboard durability