---
product_id: 399693083
title: "Audio Adaptor Board for Teensy 4.0"
brand: "teensy"
price: "Bs.781"
currency: BOB
in_stock: true
url: https://www.desertcart.bo/products/399693083-audio-adaptor-board-for-teensy-4-0
store_origin: BO
region: Bolivia
---

# Micro-SD storage slot Stereo I/O versatility Potentiometer volume control option Audio Adaptor Board for Teensy 4.0

**Brand:** teensy
**Price:** Bs.781
**Availability:** ✅ In Stock

## Summary

> 🎧 Elevate your Teensy 4.0 audio game — don’t just build, create immersive soundscapes!

## Quick Answers

- **What is this?** Audio Adaptor Board for Teensy 4.0 by teensy
- **How much does it cost?** Bs.781 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/399693083-audio-adaptor-board-for-teensy-4-0)

## Best For

- teensy enthusiasts

## Why This Product

- Trusted teensy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Simultaneous Input & Output:** Seamlessly connect and control audio with 7-signal interface for real-time stereo input and output.
- • **Compact & Lightweight Design:** At just 10g and 9x8x1 cm, it fits perfectly into any DIY audio setup without bulk or hassle.
- • **Expandable Storage & Control:** Built-in micro-SD slot for audio file storage plus optional flash memory and 25k potentiometer for custom volume tuning.
- • **Versatile Audio Connectivity:** Supports stereo headphones, line-level output, and flexible input options including mono mic or stereo line-in.
- • **Developer-Friendly Integration:** Comes with a dedicated audio library, making programming and customization effortless for your Teensy 4.0 projects.

## Overview

The Audio Adaptor Board for Teensy 4.0 by PJRC is a compact, versatile audio interface designed for advanced DIY audio projects. It enables simultaneous stereo input and output through a 7-signal connection, supports multiple audio formats including headphone and line-level signals, and features expandable storage with a micro-SD slot and optional volume control. Perfectly paired with Teensy 4.0, it offers a developer-friendly audio library for seamless programming and customization.

## Description

Audio Adaptor Board for Teensy 4.0

## Features

- Use Input and Output at the same time: Audio chip connects to Teensy using 7 signals
- Versatility: Stereo headphone and stereo line-level output, and also stereo line-level input or mono microphone input
- Customizable: Equipped with 3.5mm audio jack for headphones, a micro-SD card slot for storing audio files, and optional spaces for a 25k potentiometer (volume control) and flash memory chip
- Easy to use: Audio library available for programming
- Note: Please be aware that a Teensy 4.0 will also need to be purchased to get your Teensy Audio Shield operational. Rev D is compatible with Teesny 4x only

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Teensy |
| Manufacturer | PJRC |
| Model | TEENSY4_AUDIO |
| Product Dimensions | 1 x 9 x 8 cm; 10 g |
| Item model number | TEENSY4_AUDIO |
| Hardware Interface | Headphone |
| Compatible Devices | Headphone |
| Number of items | 1 |
| Colour Screen | No |
| Audio output mode | Mono, Stereo |
| Batteries Included | No |
| Batteries Required | No |
| Number of Ports | 1 |
| Device interface - primary | Microphone |
| Has Auto Focus | No |
| Programmable Buttons | No |
| Manufacturer | PJRC |
| Item Weight | 10 g |

## Product Details

- **Compatible Devices:** Headphone
- **Connector Type:** Auxiliary
- **Item dimensions L x W x H:** 10 x 90 x 80 Millimeters
- **Brand:** Teensy
- **Finish Type:** Matte

## Images

![Audio Adaptor Board for Teensy 4.0 - Image 1](https://m.media-amazon.com/images/I/71LVgrwXRmL.jpg)

## Questions & Answers

**Q: Compatible with Teensy 4.1?**
A: Yes, it can be used with both the Teensy 4.0 and 4.1.

**Q: does this work on teensy 4.1?**
A: I’ve used it with a 4.0. According to the manufacturer it is supposed to work with the 4.0 and 4.1.

**Q: Will this work with arduino mega?**
A: This audio adapter board is a shield specifically made to work with the Teensy 4.0 Microcontroller Development board. It is not designed to work with an Arduino Mega.

**Q: Are you still selling Rev D or are you now selling D2?**
A: We only have the Rev D2 version. My understanding is that due to component shortages, the Rev D version is no longer available.

## Frequently Bought Together

- Teensy Audio Adaptor Board 4.0
- Teensy 4.0 (with Pins)
- Gikfun TRRS 3.5mm Jack Breakout Headphone Video Audio MP3 Jack for Arduino (Pack of 3pcs) AE1223

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**Shop now:** [https://www.desertcart.bo/products/399693083-audio-adaptor-board-for-teensy-4-0](https://www.desertcart.bo/products/399693083-audio-adaptor-board-for-teensy-4-0)

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*Product available on Desertcart Bolivia*
*Store origin: BO*
*Last updated: 2026-02-20*