Maximum number of connectable channels: 20 channels, divided into two groups, channels 1~10 are one group, and channels 11~20 are another group，Each group of test parameters (including signal type) can be set independently. The voltage of each channel can be automatically corrected.
Aging test time: 0000：00：00~9999：59：59，Maximum is 9999h，Can be set arbitrarily
Monitoring method: 20 Simultaneous monitoring，Automatically record and display
State judgment: Open circuit, short circuit or impedance is too low, overvoltage, overcurrent
Fault warning: The location of the faulty channel is displayed on the screen
HMI: Industrial computer control, keyboard and mouse input
Sine wave signal generator: Built-in sine wave generator
Test frequency range: 20Hz ～ 20kHz
Frequency accuracy: ±0.05%
Frequency stability: Better than 60ppm
Total harmonic distortion (THD): ≤0.5% @1w，1k Sine
Optional sweep function: Linear, logarithmic
Audio program source
Play format: MP3、WMA、WAV （Flac and other formats are also available through the player）
Power amplifier
Maximum output power per channel: 12W
Maximum total output power: 300 W
Frequency response: 20Hz~20,000Hz（±0.25dB）
Load impedance: 4Ω~120Ω
Maximum test current: ≤1.500A
Adjustable range of output voltage: 0.2V~12V（The adjustment accuracy is 0.001V）
Instrument interface: USB And network interface
New features
Automatic voltage correction: Precision ≤2%
True RMS measurement voltage: Precision ≤2%
Temperature rise measurement: Range 0~200°C，Precision ≤5%±1°C
Voice coil DCR resistance measurement: Precision ≤0.5%（1Ω~40Ω）
F0 test range: ------
High-quality audio output: Sound card playback source
Real-time parameter storage: Real-time voltage, current, resistance, temperature （txt format saves the entire set of data at the fastest 1s, and excel format saves the entire set of data at 6s at the fastest）
Reserved function
Noise generator: 20Hz~20kHz adjustable bandpass filter
Physical dimension: 450mm*190mm*570mm
Net weight: 20kg
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