For example: Agilent E4440A or Anritsu 68369
Audio Precision
Audio Precision AUX-0025
Switching Amplifier Measurement Filter is a dual-channel passive filter that provides the necessary attenuation of out-of-band signals for testing Class D amplifiers
Category: Amplifiers / Parts / Components
Audio Precision P1
Portable One, 10Hz-120kHz Audio Distortion Analyzer
Category: Audio Test Instruments
Audio Precision P1PLUS
Portable One Plus,10Hz-120kHz Audio Distrtn Anlyzer
Category: Audio Test Instruments
Audio Precision PORTABLE ONE PLUS
Portable One Plus Audio Test System
Category: Distortion Analyzers
Audio Precision SYS-202
Dual Channel, DSP Analyzer Only Audio Test System
Category: Audio Test Instruments
Audio Precision SYS-2022
Two-Channel(Stereo) Analog Domain Test Set
Category: Audio Test Instruments
Audio Precision SYS-222
Dual Channel, DSP Analyzer Audio Test System
Category: Audio Test Instruments
Audio Precision SYS-2712
Audio Precision SYS-2712A (Analog domain only) Two-channel analog input/output, analog analyzer and generator, DSP analyzer and generator.
Category: Test Set
Audio Precision SYS-2722
Audio Precision SYS-2722 Audio Test System 192k w/ Options, Filters & Accessories
Category: Test Set
Audio Precision SYS-2722A
System 2 Cascade Plus PC-Controlled Audio Test System
Category: Audio Test Instruments
Audio Precision SYS-302
Dual Channel, Dual Domain Audio Analyzer System
Category: Audio Test Instruments