SPX to AU Converter — Free Online

Free online SPX to AU converter — quickly transform your audio files without registration or software installation. Our service lets you convert spx to au in just a few clicks. Upload your file to our server and get the result in seconds. Files are automatically deleted after download. AU is a classic Unix/Sun format. Widely supported in scientific and professional software. Try our spx to au converter right now!

🔄 How SPX to AU Converter Works

SPX to AU — professional server-side conversion. Perfect results thanks to optimized processing algorithms.

Our spx converter supports quality settings from 64 to 320 kbps. Choose parameters that match your requirements.

Server conversion to AU works reliably on any device. Your device stays free — all work is done on our server.

🎯 Problems This Converter Solves

Can't open SPX file?

Not all software works with SPX. Convert to compatible AU.

💡 Common Uses for AU

📁 Convert to AU format

🔄 Change audio format

📱 Device compatibility

💾 Optimize file size

✨ Our Converter Advantages

⚡ Rapid Conversion

No waiting — results delivered immediately

🎯 Studio Grade

Optimized AU conversion without quality loss

🔋 Device-Friendly

Save battery — file is processed on server

🔒 Secure Handling

Your data stays private — no storage

🎵 Flexible Settings

Choose quality, bitrate, and other parameters

💰 No Payment

All features available free without an account

📊 Format Comparison

SPX Voice optimized

Speex. Free codec for VoIP and voice chats.

AU High quality

Sun Audio. Classic Unix format for software.

❓ Frequently Asked Questions

How do I change SPX to AU?

Drag and drop your SPX file, choose AU as target format, and start conversion. Download the result instantly.

Do I need to pay for SPX to AU conversion?

No payment needed. The service is free, with no subscriptions or hidden costs.

Is quality lost when converting SPX to AU?

Each lossy conversion reduces quality slightly. Choose maximum bitrate (320 kbps) for best results.

Is batch SPX to AU processing supported?

For AU format, server processing handles one file at a time. This ensures best quality.

Is there a size limit for SPX files?

Maximum size is 30 MB. Server processes the file and automatically deletes it.

How are files processed for AU conversion?

File is uploaded to server, converted to AU, and immediately ready for download. Source is deleted after you get the result.

📝 How to Convert SPX to AU

1

Upload File

Drag & drop SPX files or click "Choose Files"

2

Adjust Settings

Choose quality, bitrate and other options

3

Convert

Click "Convert" and wait for processing

4

Download Result

Download your AU files