I own the 4 and had the 3. Stock, the 4 is much quieter, slightly more efficient and very comfortable. I would not call it loud by any account, though louder than any DM or other spool.
Proud BOB WHITE #52
ANTIDOTE Twister LV1
Aloha Niche Element coming soon!
Texas Sunset Orracle Pump
Hitman Custom MI Orracle Autococker
SSC Gas-Thru Phantom
Perfected AKA Viking
Blackout GOG ENMEY