SP-404MKII Converter

Professional-Grade Batch Audio Conversion Tool

The Roland SP-404MKII requires samples in 16-bit, 48kHz WAV format for SD card import. This professional tool converts any audio format (MP3, FLAC, M4A, OGG, AAC) with perfect accuracy and zero quality loss. Batch process unlimited files and get production-ready samples instantly.

Trim Silence

Automatically removes silence from the start and end of your samples

Normalize Loudness

Maximizes volume while preventing clipping for optimal sample levels

Duration Check

Warns if samples exceed the 16-minute SP-404MKII limit

Clean Filenames

Removes special characters for better SP-404MKII compatibility

Download as ZIP

Package all files into one organized archive (recommended for 3+ files to prevent browser security popups)

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Drag & drop audio files here

or click to browse • Supports WAV, MP3, FLAC, AAC, and more

Selected Files 0 files

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SP-404MKII Converter

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