Address
304 North Cardinal
St. Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM
JH-410 Smart Balanced Speaker
Featuring a pyramid-shaped four-sided conical structure with an integrated design, speakers are installed on all four sides and the bottom to achieve 360° omnidirectional sound projection. The enclosure features a white-painted wooden cabinet with a powder-coated steel grille. It supports ceiling-mounted, suspended, or bracket installation (with a factory-supplied bracket included), adapting to diverse classroom layouts. Integrated with intelligent equalization, an AI-powered Clear Listening System, and wireless microphone compatibility, a single unit meets multifaceted sound reinforcement needs.
Comprehensive Scenario Coverage: Supports multimedia amplification in classrooms, teacher voice amplification, Bluetooth playback, radio broadcast reception, constant-voltage/IP campus broadcasting, and remote interactive amplification, catering to core teaching environments.
Flexible Expansion Options: Optional wireless microphone receiver module enables “one teacher, one mic” applications without frequency interference or disruption, ensuring dedicated stability for teaching use.
Key Features:
1. Smart equalizing speaker with optional wireless microphone support and AI Clear Listening System amplification. Features 360° omnidirectional sound projection and an integrated design, supporting ceiling or bracket mounting;
2. Pyramid-shaped four-sided conical design with speakers installed on all sides and the base. A single speaker meets classroom needs for multimedia amplification, teacher voice amplification, Bluetooth playback, radio reception, constant-voltage broadcasting, IP campus broadcasting, and remote interactive amplification;
3. Four-channel amplifier output with new DSP algorithm, 2-in/4-out audio processing. Delivers strong vocal reproduction, clear sound, and stable performance. Simple installation, rational design, and broad applicability.
4. EQ adjustment with multiple preset sound modes. Customizable tuning based on the environment.
5. Seamless dual-signal switching technology prioritizing IP network over constant-voltage broadcasting. Supports voltage backup function for uninterrupted voice playback during power or network outages.
6. Independent volume control for wired microphone, wireless microphone, music, treble/bass, and broadcast channels;
7. 2x 3.5mm audio input jacks, 1x 6.35mm microphone input jack (with DC6V polarity power supply) for battery-free connection with compatible microphones;
8. 1 x 3.5mm recording output jack, 2 x USB ports for wired PPT page-turning, remote device control, USB flash drive playback, and firmware upgrades;
9. LED digital clock displays real-time time, auto-syncs via Bluetooth, operable via wireless remote or computer app/mini-program;
10. Bluetooth wireless reception for easy audio sharing from mobile devices. Bluetooth supports password mode to prevent student connections. Decoding supported: MP2, MP3, WMA, APE, FLAC, AAC, MP4, M4A, WAV (IMAADPCM & PCM), AIF, AIFC;
11. Multi-channel mixing supports simultaneous blending of Bluetooth, wireless microphone, and line-level inputs;
12. Optional wireless microphone receiver module enables interference-free operation with dedicated microphones per instructor (optional);
13. White-painted wooden enclosure with iron mesh protective grille, includes original stand for ceiling mounting.
Technical Specifications:
Power Supply: AC 220V
Power Consumption: 50Hz
Standby Power Consumption: ≤4W
Power Output: 4-unit 8 ohms × 20W
Constant Voltage Power: 30W/70-110V
Distortion: <0.1%
Sensitivity: 97dB ±2dB
Frequency Response: 50Hz-18kHz
Resonant Frequency F0: ≥75Hz
Signal-to-Noise Ratio: ≥80dB±2dB
