Conference Speaker For School Teaching Smart Board Accessories

Categories	Smart Board Accessories
MOQ:	100 pieces
Price:	CN¥1,048.46/pieces 100-999 pieces
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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Shenzhen Qunmao Display Technology Co., Ltd.

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Conference Speaker For School Teaching Smart Board Accessories

**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.

Host parameters:

1. Use 2.4G digital radio frequency technology to effectively avoid transmission interference, and use 1000 sets of non-channeling frequency at the same time to meet the needs of large-scale use in the same place.
2. External integrated compact 2.4G signal receiving box (no exposed antenna) to avoid electromagnetic interference inside the speaker and enhance signal stability and sensitivity.
3. With a broadcast priority interface, it automatically switches when there is a broadcast signal.
4. One stereo RCA input, one microphone (environmentally friendly microphone jack comes with DC+6V power supply) input; the speaker comes standard with wall-mounted installation accessories, which is simple and convenient to hoist.
Rated power: ≥50W; rated impedance: 4Ω; receiving frequency: 2400~2483.5MHz; receiving sensitivity: 82dB; working temperature:-20~75 degrees.
5. Driver: 5.5-inch long-stroke bass driver, one tweeter; Interface: 1-channel broadcast input (70V-110V input), 1-channel stereo RCA, 1-channel microphone interface; Sensitivity: 85dB/1W/1M; Signal-to-noise ratio: 75dB; Maximum sound pressure level: 78dB;
Crossover: 1.8KHz.
6. Box type: phase reflex type; Box and exterior: wooden (black) box, steel mesh.

Microphone parameters

7. Use 2.4G digital radio frequency technology to effectively avoid transmission interference. Use 1000 sets of non-channeling frequency at the same time to meet the needs of large-scale use in the same place.
8. Automatically enter the pairing state when turned on. After successful pairing, there will be a prompt sound and automatically switch to the receiving state.
9. The intuitive LED LCD screen displays various technical parameters, digital volume adjustment, signal strength, and battery remaining information; it has a good windproof effect and clear sound quality.
10. The microphone has a laser pointer function and has up and down page turning buttons (the optional page turning module can realize wireless page turning, and can also black out the screen with one button when playing PPT files).
11. The microphone has a built-in microphone head, which can be used in both handheld and lavalier modes. It also has a 3.5mm external microphone interface, which can be used with a universal lavalier or head-mounted microphone or transmit other audio files. The microphone can be paired with any host. It will enter the energy-saving standby state within 60 seconds without signal or operation, and will automatically start when there is a signal or operation. There is no need to pair the frequency, the battery has low loss, and it can work continuously for more than 8 hours when fully charged.
12. The microphone uses a rechargeable lithium battery with a detachable interface, and is equipped with a travel (or USB charger) charger, which is more convenient to use. There is a prompt sound when the microphone is turned on, and the volume of the microphone can be adjusted.

Conference Speaker For School Teaching Smart Board Accessories

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