| Parameter | Specification |
| Channels | 2 channels, balanced/unbalanced |
| Signal Types | Sine wave, dual-tone sine wave, inverse phase sine wave, sweep signal, noise signal, WAV file |
| Frequency Range | DAC: 0.001Hz~80kHz; Analog: 5Hz~204kHz |
| Frequency Accuracy | ±0.0003% |
| Output Voltage | Balanced: 0~26.6Vrms; Unbalanced: 0~13.3Vrms |
| Residual THD+N | < -117dB @22kHz BW; < -120dB @1kHz 2.0V |
| Flatness | ±0.01dB (20Hz~20kHz) |
| Output Impedance | Balanced: 40Ω/100Ω/150Ω/200Ω/600Ω; Unbalanced: 20Ω/50Ω/75Ω/100Ω/600Ω |
| Parameter | Specification |
| Channels | 2 channels, balanced/unbalanced |
| Maximum Input Voltage | 230Vpk |
| Voltage Measurement Flatness | ±0.01dB (20Hz~20kHz) |
| Harmonic Analysis | 2nd~10th harmonic |
| Residual Input Noise | <1μV @20kHz BW |
| Maximum FFT Length | 1248k |
| Intermodulation Distortion Modes | SMPTE, MOD, DFD |
| Frequency Measurement Range | 2Hz~1MHz |
| Frequency Measurement Accuracy | ±0.0003% |
| Phase Measurement Range | -90°~270°, ±180°, 0~360° |
| Input Impedance | Balanced: 300Ω/600Ω/200kΩ; Unbalanced: 300Ω/600Ω/100kΩ |
| Parameter | Specification |
| AUX Level | High level: 5V; Low level: 0V |
| Default Output | Low level |
| Default Input | High level |
| PIN Configuration | PIN1-8: IN/OUT 1-8; PIN9: GND |
| Parameter | Specification |
| Operating Temperature | -10°C~40°C |
| Housing Material | Metal enclosure |
| Control Software | KK Audio Analyzer Software |
| Rated Voltage | AC 100V~240V |
| Rated Power | 160VA |
| Dimensions (W×D×H) | 440mm × 470mm × 135mm |
| Expansion Module | Application |
| Bluetooth Module | Wireless audio device testing |
| HDMI ARC Module | HDMI audio equipment testing |
| I2S Module | Digital audio chip and embedded system testing |
| PDM Module | Digital microphone and sensor testing |
| DSIO Module | Professional digital audio interface testing |
| Comparison Item | AD2722 Audio Analyzer | Conventional Audio Analyzer |
| THD+N Performance | Up to -117dB ultra-low distortion | Usually -100dB level |
| Channel Capability | Multi-channel expandable architecture | Limited channels |
| Digital Interface Support | BT/HDMI/I2S/PDM/DSIO | Limited options |
| Automation | 3-second automatic comprehensive testing | Requires manual configuration |
| Software Integration | LabVIEW/Python/C#/VB support | Limited development capability |
| Application Range | R&D + production + verification | Mainly basic measurement |