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Description
BM80 Cascading Microphone Speaker
- Supports cascading of up to 8 units via wired connection (USB Type-C interface), suitable for small, medium, and large conference rooms.
- 8-mic array with high-sensitivity, high signal-to-noise ratio (SNR) MEMS microphone units for clear long-distance pickup.
- AI noise reduction, AI echo cancellation, and AI Automatic Gain Control (AGC) for superior noise suppression and full-duplex performance.
- High microphone sampling rate, up to 32kHz in AI mode.
- High-output, high-dynamic speaker driver for wider coverage and powerful sound.
- Sleek, technological design that integrates seamlessly into corporate meeting rooms, combining quality and artistry.
- Can connect to a computer or interactive flat panel via an included wireless Dongle.
Audio Pickup Parametersโ
| Parameter | Specification |
|---|---|
| Pickup Distance | 5m radius (max for a single unit), recommended usage distance: 3m radius |
| Microphone Type | 8-element array, omnidirectional |
| Frequency Response | 100Hz ~ 16kHz (32kHz high sampling rate) |
| Signal-to-Noise Ratio (MEMS unit) | 65 dBA |
| Sensitivity (MEMS unit) | -26 dBFS |
โAudio Playback Parametersโ
| Parameter | Specification |
|---|---|
| Audio Channel | 1.0 |
| Output Power | 1 x 5W Max |
| Impedance | 4 ohm |
| Maximum Sound Pressure Level | 82 dB SPL @ 1m, PN, Max Power |
| Total Harmonic Distortion | โค 1% @ 1W, 1kHz |
| Signal-to-Noise Ratio | โฅ 75 dB (Circuit) |
| Frequency Response | 120Hz ~ 18kHz |
โI/O Interfacesโ
| Interface | Type |
|---|---|
| Cascade IN | USB Type-C |
| Cascade OUT | USB Type-C |
| Host Connection | USB Type-C (shared with Cascade IN port) |
| DC IN | DC Jack (2.0mm) |
| Buttons | 5 (Mic Mute, Volume+, Volume-, Answer/Hang-up, Bluetooth) |
| Indicators | Supported (Power/Volume/Microphone/Call status, etc.) |
โPower Supplyโ
| Parameter | Specification |
|---|---|
| Power Input | DC IN, Adapter |
| Input Voltage | 15V |
| Input Current | 2.4A |
โBluetooth Parametersโ
| Parameter | Specification |
|---|---|
| Bluetooth Module | 1 |
| Version | Bluetooth 5.3 + BLE |
| Operating Frequency | 2.4 GHz |
| Operating Range | 10 m |
| USB Bluetooth Dongle | Supports audio playback and high-definition audio input. Compatible with Windows 7/8/8.1/10 and macOS 10.10 or later. |
โWireless Dongle (2.4G)โโ
| Parameter | Specification |
|---|---|
| Wireless Frequency | 2.4 GHz |
| Protocol | Proprietary |
| Audio Bandwidth | Bidirectional 32kHz |
| Operating Range | 10 m |
| Function | Supports audio playback and high-definition audio input. Compatible with Windows 8.1/10/11 and macOS 10.10 or later. |
โDimensions & Weightโ
| Parameter | Specification |
|---|---|
| Unit Dimensions (Diameter x H) | 130mm x 130mm x 63.2mm |
| Package Dimensions (L x W x H) | 405mm x 200mm x 82mm |
| Net Weight | 0.51 kg |
| Gross Weight | 1.56 kg |
โPackage Contents (Cascading Set, 2 units)โโ
| Item | Quantity |
|---|---|
| Main Unit | x2 |
| USB Type-C Cable (for PC/Host) | x1 (with USB Type-A to Type-C adapter, 1.5m) |
| USB Type-C Cable (Cascade Link) | x1 (Type-C full-pin custom non-standard, 3m) |
| USB Wireless Dongle (2.4G) | x1 (Proprietary protocol) |
| Power Adapter | x1 (15V/2.4A, China standard plug) |
| User Manual | x1 |
โPackage Contents (Single Unit Expansion Pack, requires Cascading Set)โโ
| Item | Quantity |
|---|---|
| Main Unit | x1 |
| USB Type-C Cable (Cascade Link) | x1 (Type-C full-pin custom non-standard, 3m) |
| User Manual | x1 |
โEnvironmental Conditionsโ
| Parameter | Specification |
|---|---|
| Operating Temperature | 0โ ~ 40โ |
| Operating Humidity | 10% ~ 90% RH (non-condensing) |
| Storage Temperature | -20โ ~ 60โ |
| Storage Humidity | 10% ~ 90% RH |
| Max. Operating Altitude | Below 5000 meters |
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