The Audio Precision USB-APIB is a USB 2.0 adapter that bridges legacy Audio Precision APIB-equipped instruments to modern computers, enabling direct control and data transfer without traditional interface cards. The adapter powers via USB connection and supports daisy-chaining to accessories such as the PSIA, DCX-127, and switchers including the SWR-2755 and SWR-2122, making it ideal for extending test system capability without replacing proven analog audio analyzers.
## Technical Specifications
**Connectivity & Interfaces**
• USB 2.0 computer interface
• Audio Precision Interface Bus (APIB) instrument interface
• USB 2.0 cable and 2 m APIB cable included
• Direct connection to PC USB 2.0 port recommended; USB 1.0, 1.1 ports, and hubs not supported
• Power sourced entirely via USB connection
**Form Factor**
• Compact adapter unit
## Key Features
• Enables control of APIB-equipped Audio Precision instruments via standard USB 2.0 ports
• Facilitates real-time data transfer for audio testing and measurement workflows
• Supports daisy-chaining to peripheral accessories and switcher modules
• Eliminates need for legacy APIB interface card installation
## Typical Applications
Continuation of Audio Precision AP 2700 Series and System Two Cascade measurements in contemporary computing environments. Integration with ATS-2 platforms using compatible control software.
## Compatibility & Integration
**Supported Instruments**
• AP 2700 Series
• System Two Cascade and System Two Cascade Plus
• ATS-2
• System One and System Two (non-Cascade) not supported
**Supported Software**
• AP2700 control software v3.30 and later (Windows 7 or 8 required)
• ATS software v1.60 and later (ATS2 supports v1.50 only; v1.6x not supported)
• APx500 measurement software v2.1 and later
• APWIN v2.24 and earlier (newer versions not supported)
**Operating Systems**
• Windows XP SP3, Vista, 7, 8, 10, 11 (32-bit and 64-bit)
• 64-bit drivers available for Windows 2000, Server 2003, XP, Vista, 7, 8, 8.1, 10, 11
