---
title: Specifications for the Speakers integrated in SMARTFONES
description: The audio signal is a standard audio quality, like in regular consumer headphones. Here are the specifications of the speaker that is integrated with SMARTFONES:
---

[Skip to content](https://support.mbraintrain.com/specifications-for-the-speakers-integrated-in-smartfones#main-content)

English

Show submenu for translations

[Contact us](https://support.mbraintrain.com/kb-tickets/new?hsLang=en)

Open main navigation

Close main navigation

- English
  
  Show submenu for translations
- [Contact us](https://support.mbraintrain.com/kb-tickets/new)
- Go to mbraintrain.com

 Go to mbraintrain.com

 Hello! How can we help you?

- There are no suggestions because the search field is empty.

1. [Caps and Smartfones](https://support.mbraintrain.com/caps-and-smartfones?hsLang=en)

# Specifications for the Speakers integrated in SMARTFONES

The audio signal is a standard audio quality, like in regular consumer headphones. Here are the specifications of the speaker that is integrated with SMARTFONES:

- Speakers: 40 mm
- Impedance: 32 Ohms
- Sensitivity: 118 dB ± 3 dB
- Frequency Response: 20 Hz - 20 kHz (see below - frequency response function):

![](https://support.mbraintrain.com/hs-fs/hubfs/Specifications%20about%20the%20speaker%20integrated%20with%20the%20SMARTFONES%20system%20()_freq-response-graph_02-png.png?width=1920&height=1081&name=Specifications%20about%20the%20speaker%20integrated%20with%20the%20SMARTFONES%20system%20()_freq-response-graph_02-png.png)

- [PRO LINE](https://support.mbraintrain.com/pro-line?hsLang=en#main-content)

    - [FAQs](https://support.mbraintrain.com/pro-line?hsLang=en#faqs)
    - [How-to's](https://support.mbraintrain.com/pro-line?hsLang=en#how-tos)
    - [Troubleshoot](https://support.mbraintrain.com/pro-line?hsLang=en#troubleshoot)
- [Caps and Smartfones](https://support.mbraintrain.com/caps-and-smartfones?hsLang=en)
- [Smarting](https://support.mbraintrain.com/smarting?hsLang=en#main-content)

    - [BlueSoleil troubleshooting](https://support.mbraintrain.com/smarting?hsLang=en#bluesoleil-troubleshooting)

[![mbt\_logo-2-1](https://support.mbraintrain.com/hs-fs/hubfs/mbt_logo-2-1.png?width=100&height=45&name=mbt_logo-2-1.png "mbt_logo-2-1")](http://www.mbraintrain.com)

mbraintrain Help Center

Copyright © 2025, mbraintrain.com