Overview

The Boss RDD-20 is a vintage digital delay unit from the 1980s, part of the Micro Rack Series. It features warm, 12-bit delay tones with delay times up to 400ms, and includes controls for delay time, feedback, tone, and mix. Compact and versatile, it’s great for both studio and live use.

Condition

This unit is in good condition with a minor scuff on one of the corners. It is fully functional and operates without any issues.

Important Notice

This unit operates on 9V DC using a BOSS PSA series AC adapter. If you’re located outside Japan, please ensure compatibility with your local power standards or use an appropriate adapter.

I also offer step-down transformers for purchase. Please feel free to check my other listings if needed.

Shipping

The item will be carefully packaged to ensure safe delivery in its described condition.

It will be shipped via EMS Fast Delivery with a tracking number included.

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I am also selling the RRV-10, RDD-20, RCL-10, RBF-10, and RPW-7 from the same Micro Rack Series, as well as the rare dual-unit Micro Rack tray for mounting two units together.

Please feel free to contact me if you’re interested in purchasing multiple items together.

Please contact me if you need additional details or photos.