---
title: Why am I getting a flat line with an occasional blip in the EEG?
description: This may occur when you try to use a wideband 2.5 amplifier with 2.0 software. You must use 2.5 software with wideband amplifiers
url: "https://brainmaster.com/kb-entry/id47/"
updated: "2025-12-30"
category: "Troubleshooting / Software Troubleshooting / Archive: BrainMaster 2.5SE and earlier Troubleshooting"
---

# Why am I getting a flat line with an occasional blip in the EEG?

This may occur when you try to use a wideband 2.5 amplifier with 2.0 software. You must use 2.5 software with wideband amplifiers