Audio Precision USB-APIB USB 2.0 Adapter

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