Suspended directional sound speaker | 29″ | IR sensor | USB/SD/HDMI | For 1–3 listeners | Built-in stereo amplifier

Technical specifications

Frequency range: 300 Hz – 18 kHz
Signal-to-noise ratio (SNR): ≥ 71 dB
Total harmonic distortion (THD): < 0.5%
Sensitivity: 80 dB
Rated output power: 1.5 W
Maximum input power: 6.5 W
Nominal impedance: 8 Ω
Input impedance: 20 kΩ
Video resolution via HDMI: up to 1080p
Supported sources: USB storage devices, SD cards, HDMI
Dome diameter: 730 mm
Dome height: 320 mm
Construction: 29″ directional sound dome
Sound coverage: 1–3 listeners simultaneously
Power supply: DC 9 V / 2 A

Functions

Highly directional stereo sound – privacy and clear information in the target zone
Automatic activation via IR sensor – sound activates only when a listener is detected
Integrated amplifier – no external amplification required
USB / SD / HDMI support – flexible content management
Audio-video synchronization – suitable for informational displays
Low distortion and high SNR – clean, professional sound

Applications

For home users: Personal audio zone at home without headphones, educational solutions for children, multimedia content in quiet environments
For engineers / designers: Suitable for AV system integration, acoustic solutions in public spaces, smart building projects
For electricians / installers: Clear connections and easy installation, compact all-in-one system, minimal need for additional components, reliable for long-term use

Pros

Targeted, directional sound (1–3 listeners)
Integrated IR motion sensor
Built-in stereo amplifier
USB / SD / HDMI support
High SNR and low distortion
Professional solution for public spaces

Cons

Not suitable for general sound coverage of large rooms
Limited sound coverage (directional operation)
Requires a separate DC 9 V power supply