| USA | Boss DD-3 Digital Delay (Serial EG13319 per Boss Serial lookup April-199... | $140.00 | |
| USA | Boss DD-3 Digital Delay — Made in Japan (1986–1990, Long Chip).Classic e... | $120.00 | |
| USA | Original 1988 BOSS Digital Delay.....sounds great!Made in Japan blue lab... | $199.00 | |
| USA | Shows signs of use, but works great.
.H... | $120.00 | |
| Japan | Fully functional.The rubber grommet has been replaced with a new one.Whe... | $239.01 | |
| Japan | Fully functional.The battery clip is corroded but works fine.The rubber ... | $204.86 | |