Valeton GP-150 Multi-Effects Processor with HD Modeling

Since its launch, the GP-100 has earned praise from players around the world and has become a benchmark for Valeton across all user levels.

Today, we carry that legacy forward with the new GP-150, our next-generation digital multi-effects processor.

This is not a minor refresh. It is a complete evolution.

From industrial design to sound processing and workflow, every detail reflects how new technology elevates the classic GP concept into something far more capable.

The GP-150 invites you to join us once again and explore a new era of tone creation.Next-Generation HD Modeling with 200+ Premium Effects: Powered by Valeton’s second-generation HD digital modeling technology, the GP-150 delivers over 200 high-quality effects with a 48kHz sample rate, providing improved clarity, realism, and dynamic response for guitarists of all styles.

• Advanced Amp & Cabinet Simulation with IR & NAM Support:Supports third-party cabinet IRs (1024/2048 samples) and Valeton SnapTone technology, including NAM (Neural Amp Modeler) file conversion. Store up to 100 SnapTone files (50 curated included) and 20 IR files for deep tone customization.
• Built-In Rechargeable Battery & Modern Power Options:Features a 3000mAh internal battery offering over 6 hours of playtime. Recharge via USB-C or 9V DC, making it ideal for mobile practice, live gigs, and pedalboard-free setups.
• Powerful Performance Tools for Practice & Live Use:Use up to 12 effect modules simultaneously with fully flexible routing. Includes a 180-second looper, 100+ HD drum patterns, accurate tuner with cent display, and 200 patch slots (100 factory presets).
• Expression Pedal Design & USB Audio Interface:Classic dual footswitch + expression pedal design with a modern interface. Functions as a 6-in / 4-out USB audio interface, compatible with Windows, Mac, iOS, and Android, plus BT and MIDI support for recording, streaming, and editing.

Next-Level Modeling

Powered by Valeton’s second-generation HD modeling technology, the GP-150 delivers over 200 premium effects, a 48 kHz sample rate, and a redesigned cabinet simulation. It also features SnapTone technology for NAM file conversion and loading, support for third-party IRs at 1024 and 2048 points, 100 SnapTone files including 50 curated presets, and 20 IR slots, raising tone quality standards within its price range.

Enhanced Functions

Packed with performance-focused upgrades, it features 12 freely assignable effect modules, a looper with up to 180 seconds of recording time, a high-precision tuner with multiple templates and cent display, and over 100 new drum machine patterns.

Power Unbound

Equipped with a built-in 3000 mAh lithium battery, it delivers up to six hours of runtime at Screen Brightness Level II, freeing you from power outlets wherever you play. It also supports dual power supply and charging via DC 9V or USB Type-C PD, ensuring seamless and uninterrupted use in any environment.

Intuitive Control

Designed for effortless operation, the GP-150 features a 2.4-inch color LCD, a dedicated master volume knob, and three quick-adjust control knobs. It includes a TRS jack for external footswitches or expression pedals, along with wireless, USB, and TRS MIDI input for expanded control.

Unified Management

The companion software handles parameter editing, file management, firmware updates, and other essential operations. The GP-150 also connects via Bluetooth and integrates with our advanced app for tone editing, wireless playback, patch management, and version updates.

Live Streaming Ready

Built for live streaming, it supports TRRS headset input for clear vocals, 6-in/4-out USB Audio with wet/dry monitoring, Re-amp and Loopback, OTG phone connectivity with simultaneous USB power supply, plus BT backing track playback.

Controls

• Footswitches: Dual footswitches for preset switching, effect control, and looper functions.
• Expression pedal: Integrated expression pedal for real-time parameter control.
• Knobs and buttons: Dedicated controls for editing, navigation, and quick parameter adjustment.
• Tap tempo: Tap-based tempo input for time-based effects.
• Onboard tuner: Integrated tuner with cent display and multiple tuning templates.

Connections

• Input: 1/4" unbalanced TS.
• Output L: 1/4" unbalanced TS.
• Output R: 1/4" balanced TRS.
• EXP/FS: 1/4" TRS for external expression pedal or footswitch.Music Equipment & Technology
• Phones/Mic Output: 1/8" stereo TRRS.
• USB Port: USB 2.0 Type-C.
• MIDI In: 1/4" TRS, shared compatibility with EXP/FS jack.
• Bluetooth: Bluetooth 5.0 dual-mode for editing and audio functions.