Key Features
◆ Built-in Bluetooth module, support Bluetooth audio input/output communication
◆ Analog two-channel output, four-channel input
◆ Standard configuration supports SPDIF digital interface
◆ Support basic and commonly used electroacoustic parameter test functions, adapt to 97% production line test
◆ Support LabVIEW, VB.NET, C#NET, Python and other languages for secondary development
◆ Automatically generate test reports in various formats
Performance
| digital output | |
| number of channels | 1 channel, unbalanced |
| output standard | Standard SPDIF-EAIJ (IEC60958) |
| Sampling Rate | 44.1kHz ~ 192kHz |
| Sample Rate Accuracy | ±0.001% |
| signal type | Sine wave, dual-frequency sine wave, out-of-phase sine wave, frequency sweep signal, square wave signal, noise signal, WAVE file |
| Signal frequency range | 2Hz ~ 95kHz |
| digital input | |
| Number of channels | 1 channel, unbalanced |
| output standard | Standard SPDIF-EAIJ (IEC60958) |
| Voltage measurement range | -110dBFS ~ 0dBFS |
| Voltage Measurement Accuracy | < 0.001dB |
| THD+N measurement | support |
| analog output | |
| number of channels | 2 channels, balanced / unbalanced |
| signal type | Sine wave, dual-frequency sine wave , out-of-phase sine wave, frequency sweep signal, noise signal, WAVE file |
| Frequency Range | 10Hz ~ 20kHz |
| Output voltage | Balanced : 0–1 Vrms ; Unbalanced : 0–1 Vrms |
| flatness | ±0.1dB ( 10Hz–20KHz ) |
| Residual THD+N | ＜ -103dB @ 1kHz 1.0V |
| analog input | |
| number of channels | 4 channels, balanced / unbalanced |
| Voltage measurement range | balance 0 - 1Vrms ; unbalanced 0 - 1Vrms |
| Voltage Measurement Flatness | ±0.1dB ( 20Hz～20kHz ) |
| Single Harmonic Analysis | 2 to 10 times |
| residual input noise | <-108dBu @ 1kHz 1.0V |
| Maximum FFT length | 1248k |
| Intermodulation Distortion Mode | SMPTE , MOD , DFD |
| Frequency measurement range | 10Hz ~ 22kHz |
| bluetooth module | |
| bluetooth module | Single-channel Bluetooth Dongle , can connect to 1 Bluetooth audio address at the same time |
| A2DP channel | Single Channel Input: SPDIF IN (Digital) / Wireless Output: Wireless (Bluetooth) |
| HFP channel | 1-channel input: HFP IN (analog) / 1-channel output: HFP OUT (analog) |
| bluetooth protocol | A2DP , HFP , AVRCP , SPP |
| bluetooth version | V5.0 |
| RF transmit power | 0dB (max 6dB ) |
| RF receiver sensitivity | -86dB |
| A2DP encoding method | APT-X , SBC |
| A2DP sampling rate | 44.1k |
| HFP sampling rate | 8K / 16K (automatic adaptation) |