Description
Atomic SPK Base is an audio player base designed for ATOM series controllers. It integrates the NS4168 power amplifier chip with an I2S digital audio input interface, supporting automatic sampling rate detection and adaptive playback to help reduce audio signal distortion.
The base includes a microSD card slot for storing and reading audio files, plus a 3.5mm headphone jack and a 1.25mm-2P speaker interface, making it suitable for compact audio playback, wireless speaker, and Wi-Fi speaker projects.
Features
- NS4168 power amplifier chip
- I2S serial digital audio input interface
- Supports wide-range sampling rate: 8kHz ~ 96kHz
- Automatic sampling rate detection and adaptive function
- microSD card slot for audio file storage
- 3.5mm headphone jack
- 1.25mm-2P external speaker interface
Specifications
| Specification | Parameter |
|---|---|
| Amplifier Chip | NS4168 |
| Amplifier Output | 1W (VDD=3.3V) |
| Audio Input Interface | I2S serial digital audio input |
| Supported Sampling Rate | 8kHz ~ 96kHz |
| Headphone Jack | 3.5mm |
| Speaker Interface | 1.25mm-2P |
| Speaker Power | 1W@8Ω |
| Storage | microSD card slot |
| Product Size | 24 x 48 x 18mm |
| Package Size | 136 x 92 x 8mm |
| Product Weight | 10.6g |
| Gross Weight | 29g |
Communication
- Uses I2S serial digital audio input for audio playback
- Supports audio file playback from a microSD card
- Provides headphone and external speaker output options
Applications
- Audio player
- Wireless speaker
- Wi-Fi speaker
- ATOM series audio playback projects
Product List
- 1 x Atomic SPK Base
- 1 x 1W@8Ω Speaker
Other Content
Atomic SPK Base is suitable for compact projects that need local audio playback or external audio output. With the microSD card slot, I2S audio input, headphone jack, and speaker interface, it provides a practical audio expansion option for ATOM series controllers.
Resources
- Official Documentation
- NS4168 Datasheet
- Play RawPCM Example
- Play MP3 From microSD Card Example
- Arduino Quick Start
- UiFlow1 Documentation
- UiFlow2 Documentation
- Atomic SPK Base EasyLoader
- Official Product Video
FAQ
What controller series is Atomic SPK Base designed for?
It is designed for M5Stack ATOM series controllers.
What amplifier chip does it use?
It uses the NS4168 power amplifier chip.
What audio interface does it use?
It uses an I2S serial digital audio input interface.
Does it support microSD card playback?
Yes. It includes a microSD card slot for storing and reading audio files.
Does the package include a speaker?
Yes. The package includes 1 x Atomic SPK Base and 1 x 1W@8Ω speaker.