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ZOOM G2.1u review

pic pic

Features 9/10

The only think that I can think of that is missing in G2.1u is possibility to edit patches on computer. Other than that this device is very useful with its tuner, drum machine, recording capabilities (with guitar cabinet emulation), numerous effects and great sound quality. It can be powered via USB, batteries and included power supply. It's sturdy, not too heavy.


  • 54 effects
  • 16 drive sounds
  • Headphone output
  • Built-in auto-chromatic tuner (435 to 445Hz calibration range)
  • Built-in drum machine
  • Two-way power (included power supply/four AA batteries)
  • 7.5 hours battery life
  • 5ms patch change time
  • USB connectivity
  • Can also be powered via USB
  • ASIO driver
  • Includes Cubase 4 LE software
  • Support for Windows 7 32 and 64-bit
  • Optional footswitch
  • Sturdy metal chassis with rubber damping

Sound quality 9/10

G2.1u produces high quality tones. The more you play with it, the more you hear that it's digital modelling, however it does its job well when playing live and recording.

It takes the G2.1u approx. 1.5ms to process guitar signal.

Ease of use 8/10

This device is rather intuitive but you have to get to know it.

How to setup ZOOM G2.1u with Reaper

System requirements

The G2.1u does all sound processing, it's a CPU saver.

Technical specification

You can record in 16 bits at 44.1kHz and 48kHz via USB. Patch change so quick that you don't notice it.

  • 24-bit A/D/A converters
  • 96kHz sampling
  • 32-bit processing
  • 120dB SNR, -100dB noise floor
  • 5ms patch change time
  • Weight: 1.1kg


pic Sound quality
pic Feautures
pic Ease of use
pic Bundled software


pic It's not possible to edit patches through USB
pic Recording is limited to 16-bit

ZOOM G2.1u on ZOOM website

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