
Anthony Easton
The Zoom GFX-4 is a guitar effects processor pedalboard designed to create authentic guitar sounds. It offers 44 effect programs, including 42 effects, Zoom Noise Reduction (ZNR), and an Amp Simulator. The GFX-4 features 6 effect modules, along with ZNR and Amp Simulator, providing a wide range of sound manipulation options.
Specifications:
- Effect Programs: 44 (42 effects + ZNR + Amp Simulator)
- Effect Modules: 6 + ZNR + Amp Simulator
- Patch Memory:
- USER: 3 patches x 5 banks x 4 groups = 60 (read/write/store)
- PRESET: 3 patches x 5 banks x 4 groups = 60 (read only)
- Total 120 patches
- Sampling Frequency: 40 kHz
- A/D Conversion: 20-bit 64-times oversampling converter
- D/A Conversion: 20-bit 128-times oversampling converter
- Input:
- Guitar Input: Standard phone jack (mono) x 1 (nominal input level -10 dBm)
- Pickup Select: Normal (input impedance 510kΩ) / Active (input impedance 20
kΩ)
- Outputs:
- Mono Output: Standard phone jack (mono) x 1 (nominal output level -10 dBm,
output impedance 10 kΩ or higher)
- Combined Line/Headphone Output: Standard phone jack (stereo) x 1 (maximum
output level +4 dBm, output load impedance 10 kΩ or higher)
- Display: Original LCD with backlight, 2-digit, 7-segment LED
- Power Requirements: 12 V AC, 500 mA (from supplied AC adapter AD-0008)
- Dimensions: 397 mm (W) x 183 mm (D) x 60 mm (H)
- Weight: 1.4kg
- * 0 dBm = 0.775 Vrms
- * Design and specifications subject to change without notice
The GFX-4 is suitable for guitarists seeking a versatile and comprehensive effects processor to enhance their sound and performance.
Watch the latest video demos and reviews for the GFX-4 from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the Zoom GFX-4 from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Very Good
$119

Very Good
$100

Brand New
$15.11

Browse through eBay listings for the GFX-4 compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton