---
product_id: 779555407
title: "Teensy Audio Adapter Board 4.0"
brand: "teensy"
price: "266 kr"
currency: DKK
in_stock: true
reviews_count: 5
category: "Teensy"
url: https://www.desertcart.dk/products/779555407-teensy-audio-adapter-board-4-0
store_origin: DK
region: Denmark
---

# 16-bit CD-quality audio 7-signal Teensy 4.0 connection 44.1 kHz sample rate Teensy Audio Adapter Board 4.0

**Brand:** teensy
**Price:** 266 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate your sound game with Teensy 4.0’s ultimate audio adapter!

## Quick Answers

- **What is this?** Teensy Audio Adapter Board 4.0 by teensy
- **How much does it cost?** 266 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/779555407-teensy-audio-adapter-board-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

- • **Versatile Stereo Support:** Supports stereo headphones, line-level input/output, plus mono mic input for ultimate flexibility.
- • **Crystal-Clear 16-bit Audio:** Experience pristine CD-quality sound with 16-bit depth for your projects.
- • **Seamless 44.1 kHz Sampling:** Industry-standard sample rate ensures professional-grade audio fidelity.
- • **Plug-and-Play Audio Upgrade:** Rev. D board designed exclusively for Teensy 4.0, making high-quality audio effortless.
- • **Optimized Teensy 4.0 Integration:** 7 dedicated signals including I2C and I2S for flawless chip communication.

## Overview

The Teensy Audio Adapter Board 4.0 Rev. D delivers high-fidelity 16-bit, 44.1 kHz CD-quality audio tailored for Teensy 4.0. Featuring a 7-signal interface with I2C and I2S protocols, it supports stereo headphones, line-level I/O, and mono mic input, powered by the SGTL5000 chip in slave mode. Compact and efficient, it’s the go-to upgrade for professional-grade embedded audio projects.

## Description

With this audio adapter, you can easily add high quality 16-bit, 44.1 kHz sample rate (CD Quality) audio to your project using Teensy 4.0. Support stereo headphones, stereo line level output, stereo line level input, mono microphone input. Audio chip uses 7 signals to connect to Teensy 4.0. I2C pin SDA and SCL are used to control the chip and adjust parameters. Audio data uses I2S signals, TX (headphone and/or line out), RX (from line-in or microphone), 3 clocks, LRCLK (44.1kHz), BCLK (1.41 MHz), and MCLK (11.29 MHz). All three watches are made by Teensy. The SGTL5000 chip operates in "slave mode" where all clock pins are entered.

Review: Fast shipping and the PCB is working very well.
Review: Best price AND fastest delivery This little board is amazing !

## Features

- With this audio adapter, you can easily add high-quality 16-bit, 44.1 kHz sample rate (CD Quality) audio to your project with Teensy 4.0
- Audio chip uses 7 signals to connect Teensy. I2C pin SDA and SCL are used to control the chip and adjust parameters. Audio data uses I2S signals, TX (headphone and/or line out), RX (from line-in or microphone), 3 clocks, LRCLK (44.1kHz), BCLK (1.41 MHz), and MCLK (11.29 MHz). All three watches are made by Teensy. The SGTL5000 chip operates in "slave mode" where all clock pins are entered
- This version Rev. D is for Teensy 4.0 only

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Z6NW913 |
| Amazon Bestseller | #94,384 in Electronics ( See Top 100 in Electronics ) #98 in Digital-Analog Converters |
| Brand | Teensy |
| Color | green |
| Compatible Devices | Headphone |
| Connector Type | 3.5mm Audio Jack, SD Card Slot |
| Customer Reviews | 4.6 4.6 out of 5 stars (113) |
| Input Voltage | 3.3 Volts |
| Item Dimensions | 10 x 90 x 80 mm |
| Item Weight | 0.01 Kilograms |
| Manufacturer | PJRC |
| Model Number | TEENSY4_AUDIO |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Specific Uses For Product | Microphone |
| UPC | 714833879169 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |

## Product Details

- **Color:** green
- **Compatible Devices:** Headphone
- **Connector Type:** 3.5mm Audio Jack, SD Card Slot
- **Item dimensions L x W x H:** 10 x 90 x 80 mm
- **Specific Uses For Product:** Microphone

## Images

![Teensy Audio Adapter Board 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by G***N on March 20, 2024*

Fast shipping and the PCB is working very well.

### ⭐⭐⭐⭐⭐ Review
*by J***T on March 15, 2026*

Best price AND fastest delivery This little board is amazing !

### ⭐⭐⭐⭐⭐ Review
*by W***A on July 18, 2025*

Produto chegou bem antes do prazo previsto, recomendo

## 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.dk/products/779555407-teensy-audio-adapter-board-4-0](https://www.desertcart.dk/products/779555407-teensy-audio-adapter-board-4-0)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-04-24*