Originally Posted by swpnt
Actually, the latest firmware is v1.6
DSW Product Firmware Release 1.6.6 (2024-11-25) ... New Bass Protection algorithm
Hang on! Could this be the fix for: Possible DSW issue - popping / cracking?

Sources: MS600, Fidelity Audio Reference Oppo UHD-203, Roon/QNAP, AppleTV 4K
Processors: Arcam AV40, 271 x2, Lumagen 5348 with Keces P8
Speakers: DSP7200SE FL/FR, DSP5200SE VC, DSP3200 x11, DSP320.2 VOG, DSW x4
Display: JVC DLA-N7 with PK-EM2, Panamorph Phoenix Pro, 128" 2.37 Curved Silver Ticket AT Screen