Valeton GP-100 Multi-Effects Processor

45 amp types, 40 IR cabs, 140+ effects, 198 patch slots, a 90-second looper & much more!

10+ In Stock

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stock availability
2 at our Guildford Store
10+ at our off-site Warehouse
Want to Click and Collect or try items at our Guildford Store?

The store is open 10am - 6pm Monday to Saturday and 11am - 5pm Sunday and bank holidays.

The stock information shows the quantity of units that are available to purchase at the Guildford store and the quantity of units that are available at our off-site Guildford warehouse. These stock levels are updated in real time.

Our Click and Collect service is available at our Guildford store from 10am - 6pm Monday to Saturday, and 11am - 5pm on Sunday. You can either choose click and collect as your delivery option online or, during store opening hours, call our sales team at 01483 456777 to place a 10% deposit.

If you have placed your order online, you will receive a confirmation email of your order and a separate follow-up text or email to confirm when your item is ready for collection.

Please do not come to the store before you have received the follow-up message, as your order may not yet be ready at the store.

If the only available stock is in our off-site warehouse it can be brought to the store location for you to try - you just need to contact the store within opening hours. Please note any requests received after 3.30pm will not arrive at the store until the following morning.

Please be aware that, unless you have paid a deposit to reserve the item, it will continue to be free, both online and in-store, for another customer to buy. Therefore we would advise you to place a 10% deposit by either using the on-line click and collect service or calling us 01483 456777.

SKU: GP-100

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Product Description

The Valeton GP-100 is an ultra-compact, all-in-one amp/effects processor for the budget-conscious guitar player. Crammed with 45 guitar/bass/acoustic amp sounds, 40 IR cabinets, and over 140 effects with an editable chain — GP-100 puts almost no limitations on your creativity and allows you to create a versatile array of inspiring tones!

With 198 presets, support for 20 user cab IRs, an intuitive colour display, a built-in looper and a smooth expression pedal too — the Valeton GP-100 is a portable powerhouse that you can rely on as the centrepiece of your rig, or as a dependable backup for your main setup.

Key Features

  • Advanced digital modelling technology delivers organic, analogue-inspired tones.
  • 24-bit 44.1kHz signal processing for incredible sonic fidelity and detail.
  • Over 140 high-quality effects.
  • Editable effect chain.
  • 45 legendary guitar/bass/acoustic amp types.
  • 40 factory IR cabinets.
  • Supports storing 20 3rd-party user IRs.
  • 50+ dynamic/drive/EQ/mod/delay/reverb effects.
  • 198 presets (99 factory, 99 user).
  • USB audio interface function with stereo audio streaming.
  • Stompbox and preset modes for different situations.
  • High-quality pre-effects looper, which means when you change effects/patches, the loop tone changes too.
  • 100 inspiring drum patterns.
  • Durable metal chassis and footswitches.
  • Precise built-in chromatic tuner.
  • Intuitive PC/Mac editor.
  • 1/4" stereo outputs.
  • 1/8" headphone output.
  • Stereo 1/8" auxiliary input.
  • Built-in expression pedal.
  • Included 9V DC power supply.


  • A/D/A Converter: 24-bit high performance audio
  • Sampling Frequency: 44.1 kHz
  • SNR: 110dB
  • Maximum Simultaneous Effects: 9
  • Preset Memory: 99 User Presets/99 Factory Presets
  • Looper: 90 seconds of record time
  • Drum Machine: 99 Patterns

Analog Input Connections

  • Guitar Input: 1/4" Unbalanced (TS)
  • Input Impedance: 1M Ohms
  • Aux Input: 1/8" Stereo (TRS)
  • Aux Input Impedance: 10k Ohm

Analog Output Connections

  • Left/Right Outputs: 1/4" Unbalanced (TS)
  • Left/Right Output Impedance: 1k Ohms
  • Headphone Output: 1/8" Stereo (TRS)
  • Headphone Output Impedance: 47 Ohms

Digital Connections

  • USB Port: USB 2.0 Type-B

USB Recording Specification

  • Sample Rate: 44.1 kHz
  • Bit Depth: Supports 16-bit or 24-bit

Dimensions & Weight

  • Dimensions: 198mm (W) x 134mm (D) x 28mm (H)
  • Unit Weight: 800g

Power Requirements

  • Power: 9V DC
  • Current Draw: 500mA