Boss RDD-20 Digital Delay Made in Japan Working 0502X1-6

BOSS RDD-20 Digitel Delay 1989 Made in Japan Guitar Effect Micro Rack ZA94145

BOSS RDD-10 Digital Delay Micro Rack Guitar Effects Unit MIJ #60 DHL or EMS

Boss RRV-10 Digital Reverb Micro Rack Made in Japan Working 0608X1-9

BOSS RDD-20 Digital Delay Vintage half - rack SDE-3000 DD-2 big chip

BOSS RDD-20 Digital Delay 1990 Moduration Delay Micro Rack Series Made in Japan

BOSS RDD-10 Digital Delay Micro Rack Guitar Effects Unit MIJ #59 DHL or EMS

BOSS RDD-10 Digital Delay Micro Rack Guitar Effects Unit MIJ #57 DHL or EMS