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Features
200+ built-in FX: Access a massive library of premium effects powered by second‑gen HD modeling tech.
Third-party IR support: Import and store up to 20 of your favorite cab IRs.
SnapTone technology: Load up to 100 Neural Amp Models, including 50 ready‑to‑play factory NAMs.
200 preset slots: Save all your best tones, with 100 factory presets to inspire your creativity from day one.
12 simultaneous modules: Build complex signal chains with complete freedom to reorder modules any way you like.
Knob & button controls: Make quick, intuitive adjustments directly from the pedal — perfect for live use.
Newly designed interactive interface: A clear, streamlined UI that puts all functions and settings at your fingertips.
Onboard tuner: Accurate and responsive, with cent display and multiple tuning templates.
Drum machine function: Jam along with 100+ rhythm patterns to sharpen your timing and fuel new ideas.
Supports looper: Craft rich, layered arrangements with up to 180 seconds of looping time.
Expression pedal & footswitch ready: Expand your control with an external expression pedal and footswitches.
Supports stereo balanced/unbalanced output: Enjoy wide, immersive stereo effects for stage or studio.
5 mm TRRS headphone output: Plug in and monitor silently with full stereo sound.
USB audio interface: A 6‑in/4‑out interface for direct recording on Windows, macOS, iOS and Android.
USB/Bluetooth/6.35 mm TRS MIDI: Full MIDI support for flexible external control and automation.
Bluetooth app support: Connect wirelessly to the iOS/Android app for editing, tone management and access to 100 drum patterns.
User-friendly companion software: For easy file management and firmware updates on Windows/Mac.
Road-ready design: Rugged, compact metal construction made to withstand the demands of touring.
Flexible power options: Powered/charged via 9V DC or 5V USB.
Built‑in rechargeable battery: Over 6 hours of play time for true portability.
Big sounds in a small box
The GP‑150 keeps the classic compact form factor, but under the hood it’s been supercharged. You can now run up to 12 effects in your chain and place them in any order you fancy. With more than 200 top‑shelf FX powered by Valleton’s second‑gen HD modeling tech, plus an upgraded 48kHz algorithm sampling rate for pristine sound quality, this thing is built to deliver huge tones for any situation.
Total control at your feet
Need control? You’ve got loads. Manipulate up to 6 modules at once, tap your tempos and shape sounds quickly with an array of dedicated buttons and knobs. The GP‑150 also supports SnapTone and full cabinet IR loading, letting you import up to 20 third‑party IRs. And thanks to Valleton’s latest SnapTone tech, you can convert and load NAM (Neural Amp Modeller) files directly into the unit. It even comes stocked with 50 premium files to get you off the line, with space to store up to 100 SnapTones in total.
Hardware that means business
Hardware-wise, it’s got the classic dual footswitch and built‑in pedal combo you’d expect — plus a bright and clear 2.4" HD color LCD screen to keep you locked in while editing patches. If you’re after deeper control, it supports expression pedals, external switches and even MIDI too.
Modern connectivity
Connectivity is also a breeze. There’s onboard Bluetooth for wireless editing via the mobile app, plus a super handy TRRS headphone output that’s perfect for live streamers, content creators and anyone teaching or recording online.
Specifications
Sampling Precision: 24-bit
Sampling Rate: 48 kHz
SNR (Signal-to-Noise Ratio): 110 dB
Module: 12 modules can be used simultaneously
Patch Memory: 200 patch slots, 100 factory patches
Bluetooth Wireless: 5.0 Dual-Mode (BLE & audio)
Analog Input Connections
Input: 1/4" unbalanced (TS)
EXP/FS: 1/4" (TRS)
Analog Output Connections
Output (L): 1/4" unbalanced (TS)
Output (R): 1/4" balanced (TRS)
Phones/Mic Output: 1/8" stereo (TRRS)
Digital Connections
USB Port: USB 2.0 Type-C
MIDI In: 1/4″ (TRS), compatible with EXP/FS jack
Size & Weight
Dimensions (W x D x H): 200 x 139 x 55mm
Weight: 958g
Battery
Capacity: 3,000 mAh
Charging: Both the DC 9V and USB ports support charging
DC Power Requirements
DC 9V center negative (5.5 x 2.1 mm plug)
≥1.5A (Min. operating current: 1A; Max. supply current: 2A)
USB-C Power Requirements
Type-C, DC 5V
≥1A (Min. operating current: 1A; PD fast-charging current: 3A; Reverse charging current: 1A)
