Qtenboard Display Technology Co.,Ltd.
| power source | DC adapter |
| support app | NO |
| battery | Yes |
| number of loudspeaker enclosure | 2 |
| woofer size/full-range size | 1" |
| feature | None |
| communication | usb, wifi, Audio Line |
| pmpo | 50-100W |
| support memory card | Yes |
| output power | 30-50W |
| remote control | Yes |
| frequency range | 55Hz-20KHz |
| display screen | NO |
| voice control | NO |
| built-in microphone | Yes |
| private mold | NO |
| battery charging time | 1-3 hours |
| estimated battery life | less than 3 hours |
| supported audio codecs | WAV |
| support microphone | Support wireless connection |
| with handheld microphone | With 1 microphone |
| brand name | Qunmao |
| bluetooth standard | Bluetooth V3.0 |
| model number | QM-YX680 |
| Use | Other |
| channels | 2 (2.0) |
| Battery Capacity(mAh) | 200-500mah |
| led lighting | no light |
| Battery Capacity | <200mah |
| Waterproof Standard | NO |
| 2.4G digital radio frequency technology | effectively avoid transmission interference |
| 1000 sets of non-channeling frequency | meet the needs of large-scale use in the same place |
| compact 2.4G signal receiving box | to avoid electromagnetic interference inside the speaker |
| With a broadcast priority interface | automatically switches when there is a broadcast signal |
| input | One stereo RCA input, one microphone input |
| speaker | wall-mounted installation accessories |
| Rated power | ≥50W |
| rated impedance | 4Ω |
| receiving frequency | 2400~2483.5MHz |
| receiving sensitivity | 82dB |
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Product Specification
| power source | DC adapter | support app | NO |
| battery | Yes | number of loudspeaker enclosure | 2 |
| woofer size/full-range size | 1" | feature | None |
| communication | usb, wifi, Audio Line | pmpo | 50-100W |
| support memory card | Yes | output power | 30-50W |
| remote control | Yes | frequency range | 55Hz-20KHz |
| display screen | NO | voice control | NO |
| built-in microphone | Yes | private mold | NO |
| battery charging time | 1-3 hours | estimated battery life | less than 3 hours |
| supported audio codecs | WAV | support microphone | Support wireless connection |
| with handheld microphone | With 1 microphone | brand name | Qunmao |
| bluetooth standard | Bluetooth V3.0 | model number | QM-YX680 |
| Use | Other | channels | 2 (2.0) |
| Battery Capacity(mAh) | 200-500mah | led lighting | no light |
| Battery Capacity | <200mah | Waterproof Standard | NO |
| 2.4G digital radio frequency technology | effectively avoid transmission interference | 1000 sets of non-channeling frequency | meet the needs of large-scale use in the same place |
| compact 2.4G signal receiving box | to avoid electromagnetic interference inside the speaker | With a broadcast priority interface | automatically switches when there is a broadcast signal |
| input | One stereo RCA input, one microphone input | speaker | wall-mounted installation accessories |
| Rated power | ≥50W | rated impedance | 4Ω |
| receiving frequency | 2400~2483.5MHz | receiving sensitivity | 82dB |
**Product Description**
The Classroom Audio System is a high-performance accessory designed to elevate interactive whiteboard experiences in educational and professional settings. Utilizing advanced 2.4GHz digital RF technology, it ensures stable, interference-free transmission and supports up to 1,000 non-overlapping frequencies for large-scale deployments. The system includes a compact receiver box (no exposed antennas) for enhanced signal stability and integrates a broadcast priority interface for automatic signal switching. With a 50W output, dual drivers (5.5" long-stroke woofer + tweeter), and phase-reflex wooden enclosure, it delivers rich, balanced sound. The accompanying multifunctional microphone features a laser pointer, PPT navigation buttons, and dual modes (handheld/lavalier), while offering 8-hour battery life and USB charging.
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**Key Features**
1. **Stable Wireless Connectivity**: 2.4GHz RF technology with 1,000-channel capacity eliminates interference in crowded environments.
2. **Broadcast Priority**: Auto-switches to emergency broadcasts via 70-110V input for critical announcements.
3. **Powerful Audio Output**: 50W rated power, 4Ω impedance, and dual drivers ensure crisp highs and deep bass.
4. **Versatile Inputs**: Includes RCA stereo, mic input (with 6V DC power), and wall-mount accessories for flexible installation.
5. **Smart Microphone**: Laser pointer, wireless PPT control (page up/down, screen blackout), and dual-mode use (handheld/lavalier).
6. **Long Battery Life**: Rechargeable lithium battery supports 8+ hours of continuous use with low-power standby mode.
7. **Durable Design**: Wooden enclosure with steel mesh, wide operating temperature (-20°C to 75°C).
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**Product Value**
1. **Enhanced Clarity**: Clear audio delivery reduces teacher vocal strain and ensures every student hears lessons.
2. **Seamless Integration**: Compatible with interactive whiteboards, PCs, and broadcast systems for unified classroom tech.
3. **User-Friendly Operation**: Plug-and-play setup, intuitive LCD display (volume, battery, signal strength), and wireless controls streamline teaching.
4. **Reliable Performance**: Anti-interference technology and robust build ensure uninterrupted use in demanding environments.
5. **Multifunctional Tools**: Laser pointer and PPT navigation buttons foster dynamic, interactive presentations.
Ideal for classrooms, lecture halls, and conference rooms, the QM-YX680 transforms audio delivery into an engaging, hassle-free experience, empowering educators to focus on teaching, not tech.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2005/06/17
Total Annual:
800000-1200000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
1.Company Overview & Industry LeadershipQtenboard, established in 2005 and headquartered in Shenzhen, stands as a global leader in the commercial display industry. With a state-of-the-art production facility covering 330,000 square meters, Qtenboard has positioned itself at the forefront of high... 1.Company Overview & Industry LeadershipQtenboard, established in 2005 and headquartered in Shenzhen, stands as a global leader in the commercial display industry. With a state-of-the-art production facility covering 330,000 square meters, Qtenboard has positioned itself at the forefront of high...
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