DLM-003 Network DSP Square Tube Microhpne
- Sleek minimalist structure with modern aesthetics and ergonomic comfort.
- Dual electret condenser mic cores: crisp, bright audio with high sensitivity.
- AES67 & ST2110 AOIP Network & DSP Integration
- Supports AEC, AGC, AFC, ANS
- PoE Powered (IEEE 802.3af/at compliant)
- Optional analog backup for system redundancy
- RF/mobile interference shielding
- Vibration-damping base rubber to reduce external noise
- Overview
- Specs
- Downloads
Ergonomic Design
Sleek minimalist structure with modern aesthetics and ergonomic comfort.
Premium Audio Capture
Dual electret condenser mic cores: crisp, bright audio with high sensitivity.
AOIP Network Integration
- Supports mainstream AES67 audio-over-IP protocols
- Connects via RJ45 to network switches
- PoE Powered (IEEE 802.3af/at compliant)
Innovative Directivity Control
Patented directivity variability technology: Users can adjust the microphone’s directivity based on environment, position, meeting format, or speaker needs.
Supports five patterns
- Omnidirectional
- Cardioid
- Supercardioid
- Hypercardioid
- Figure-8.
Flexible Operation Modes
| Mode | Function Description |
|---|---|
| Mode 1 | Standard push-to-talk on/off |
| Mode 2 | Auto-enabled at power-up → Press to disable |
| Mode 3 | Hold to enable → Release to disable |
| Mode 4 | Hold to disable → Release to enable |
| Mode 5 | Voice-activated microphone enable |
| Mode 6 | Remote control switch (Customizable) |
Stability & Noise Immunity
- Optional analog backup
- RF/mobile interference shielding
- Vibration-damping base rubber
| Parameter | Value |
|---|---|
| Frequency Response | 90Hz – 18kHz |
| Self-Noise | 16 dB (A-weighted) |
| Dynamic Range | 108dB (1kHz at Max SPL) |
| Max SPL | 130dB (1% THD @1kHz, 0dB SPL=2×10⁻⁵Pa) |
| Sensitivity | -32dBV (25mA) |
| Connection | RJ45 (1m cable) |
| Power Supply | PoE (IEEE 802.3af/at) |
| Mode Selection | 1.Standard on/off |
| 2.Auto-enabled → Press disable | |
| 3.Hold to enable → Release disable | |
| 4.Hold to disable → Release enable | |
| 5.Voice-activated enable | |
| 6.Remote switch (Customizable) | |
| Mic Type | Dual-capsule condenser |
| Sampling Rate | 48kHz |
| Max Power Draw | 2W |
| Directivity Pattern | Omnidirectional, Cardioid, Supercardioid, Hypercardioid, Figure-8 |
| Dimensions | Mic: 200 × 34.5 × 23 mm |
| Base: 138 × 98 × 54 mm | |
| Weight | 930 g |
For more resources such as firmware, manuals, software and tutorials for this device, please click the hyperlink below.







