APx is high speed, high performance, and user friendly. Innovations include one-click measurements, multiple channel configurations, advanced automation capability and continuous sweep technology.

• No other audio analyzer is faster or easier to use.
• One-click measurements and saveable sequences
• The only HDMI audio analyzer in the world
• Multichannel chip level connectivity
• Real-time signal monitors including residual THD+N in oscilloscope view and one million point FFT
• Dolby/dts confidence testing, input regulation, and CEA-2006 & EIA/CEA-490-A measurements.
• Multiple connectivity options: 2, 4 8 or 16 channel analog balanced & unbalanced; digital HDMI, SPDIF, AES/EBU and TOSLINK.

APx Model Options

All models use the same software, so sharing projects is easy. Upgrades are also available between any instrument in the same family.

APx525 Family
The APx525 family has extremely high analog performance with two or four channels.

• APx520 Two analog inputs and outputs; no digital I/O
  
• APx521 Four analog inputs and two analog outputs; no digital I/O
  
• APx525 Two analog inputs and outputs plus 192K digital I/O
  
• APx526 Four analog inputs and two outputs plus 192K digital I/O

APx585 Family
The APx585 family has high performance across 8 or 16 channels simultaneously.

• APx585 Eight analog inputs and outputs plus 192K digital I/O
  
• APx586 Sixteen analog inputs and eight outputs plus 192K digital I/O
  

APx Connectivity Options

Digital Serial I/O
Multichannel chip-level connectivity with multiple format support

HDMI interface
HDMI source & sink interface (APx585 only)

LabVIEW driver
The APx LabVIEW Driver is a collection of Virtual Instruments (VIs) that provide LabVIEW users the ability to access the functionality available in the APx500 Application Programming Interface (API) using high level, LabVIEW-typical subVIs, with a minimum number of programming steps.