We offer a variety of upgrades to some of our current models, as well as certain legacy MOON components. These upgrades
encompass both cosmetic and circuitry changes. Below is a list of all factory upgrades available
at this time. As is the case with all factory service requests, please contact us first to get an
RA number in advance of shipping your unit. Please note that all upgrades include both new packaging
and a new owner's manual. Some of these upgrades can be implemented by your authorized MOON retailer.
| CURRENT MODELS | DESCRIPTION OF UPGRADE(S) |
| 750D DAC/CD Transport | HD USB Upgrade: Allows for 24-bit/192kHz on USB input |
| 650D DAC/CD Transport | HD USB Upgrade: Allows for 24-bit/192kHz on USB input |
| MC-8 Power Amplifier | Channel Module: Add an additional channel |
| 340i Integrated Amplifier i3.3 Integrated Amplifier |
DAC "D" Module: 24-bit/192kHz DAC with 4 inputs Phono "P" Module: Fully configurable MM/MC card Balanced "X" Module: One pair of balanced XLR inputs. |
| 350P Preamplifier | DAC "D" Module: 24-bit/192kHz DAC with 4 inputs Phono "P" Module: Fully configurable MM/MC card. |
| 360D Disc Player CD3.3 Disc Player |
Balanced "X" Module: One pair of balanced XLR inputs. |
| LEGACY MODELS | DESCRIPTION OF UPGRADE(S) |
| W5.3 Power Amplifier | "SE" Upgrade: Improves sonic performance to "SE" status |
| P5.3 Preamplifier | "SE" Upgrade: Improves sonic performance to "SE" status and increases volume range from "0 thru 50" to "0 thru 99". Phono "P" Module: Fully configurable MM/MC card. |
| i5.3 Integrated Amplifier | "SE" Upgrade: Improves sonic performance to "SE" status and increases volume range from "0 thru 50" to "0 thru 99". |
| i-5 Integrated Amplifier | Sonic Upgrade: brings unit to last production standards. ONLY for units manufactured before September 2003. |