Complete technical specification

Complete manufacturer specifications and engineering information for MSB Pro USB/ProISL Combo.

Power: USB bus-powered; constant 400 mA at 5 V
Dimensions: 1.95 × 6 × 0.88 in / 49.53 × 152.4 × 22.352 mm
Product type: External USB-to-ProISL interface
USB connection: Powered USB Type-B
PCM support: 44.1–705.6 kHz and 48–768 kHz, up to 32-bit with compatible current equipment
DSD support: DSD64 through DSD512
MQA: Full MQA decoding supported with compatible firmware
ProISL cable: LC duplex single-mode fibre with LC/UPC connectors
Maximum fibre length: 1 km
Isolation: 100% electrical isolation between source and DAC
Clocking: Synchronous to the DAC master clock
Data integrity: ProISL error detection and correction
Source-side control: No computer/server control of DAC software volume or settings
Required system components: Compatible MSB DAC, Pro ISL input module and cable, computer/server or Roon Core, and Pro USB interface
Status LED: Off: no power; pulsing white: standby/no playback; solid white: PCM or DSD; blue: MQA; green: MQA Studio; amber: MQL
Firmware note: DSD512 and MQA require compatible, current DAC firmware; confirm exact DAC compatibility before order

Product details

Product photography & engineering

Product details.

MSB product photography, construction, materials and finish.

Photography: MSB and the Swedish Statement Audio catalogue.