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Professional-grade transducer and high-quality microphone capsule.
Omnidirectional directivity with a wide pickup range.
Broad frequency response.
Impressive sensitivity and signal-to-noise ratio.
Robust maximum sound pressure level.
Effective reverberation suppression.
The DSP9422 is a high-performance omnidirectional microphone designed for normal classroom recording and remote interactive applications. With a single DSP9422 offering an 8-meter pickup radius, two units can cover classrooms or conference rooms exceeding 120㎡. Presenters or speakers can speak from any position within a 2 to 8-meter range of the DSP9422 without compromising pickup quality.
The DSP9422 features a large, professional-grade transducer, which maximizes its expansive audio capture plane to pick up a wide range of audio signals with solid, powerful sound. Its unique acoustic chamber design effectively suppresses reverberation caused by extensive coverage, delivering clear, distortion-free sound and true omnidirectional pickup.
In addition, the DSP9422 provides a broad frequency response, ensuring balanced, high-fidelity sound with an excellent listening experience. Utilizing advanced field-effect design technology, the DSP9422 enjoys high sensitivity and exceptionally low noise, achieving an impressive signal-to-noise ratio.
The DSP9422 is widely used in classrooms and conference rooms, setting a benchmark in the industry as an exemplary omnidirectional microphone.
Model | DSP9422 |
Sensor Type | Φ24 back electret capacitor microphone capsule |
Circuit Characteristics | JFET impedance transformation; electronic balance |
Directivity | Omnidirectional |
Frequency Response | 50Hz-20kHz |
Sensitivity | -44±3dB (0dB=1V/Pa@1kHz) |
Rated Output Impedance | 2.2kΩ |
Minimum Load Impedance | 1kΩ |
Signal-to-Noise Ratio | 75dB (S: (f=1kHz@1Pa) N: (A-Weighted curve)) |
Maximum Sound Pressure Level | 115dB(f=1kHz, THD<1%) |
Power Supply | Support 48V phantom power |
Dynamic Range | 104Db (20Hz-20kHz@2.5kΩ) |
Maximum Output Level | -50dBu (20Hz-20kHz, THD<1%@2.5kΩ) |
Operating Temperature / Storage Temperature | 0-45℃ / -20-70℃ (32-113 °F / -4-158 °F) |
Operating Humidity / Storage Humidity | 10%-90% (non-condensing) |
Output Connector / Cable | Mini XLR-3 male / Twisted shielded MIC cable |
Color | Matte black |
Net Weight | 43g |
Dimensions | Φ53×49mm |
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