The 40mm speaker is a versatile audio solution for smart home devices, compact sound systems, and multimedia applications, delivering balanced sound in space-constrained designs. Based on the specifications of XDEC-40Y, this guide explores its technical advantages and ideal use cases.
Key Specifications of XDEC-40Y
High-Power Audio Performance
Impedance: 4Ω ±15% (compatible with most Class-D amplifiers).
Power Handling: 5W rated / 7W max (supports dynamic audio peaks).
Frequency Range: 135Hz–20kHz (-10dB), covering vocals and mid-bass.
Sensitivity: 83±3dB @1W/0.5m (efficient for small enclosures).
Robust Design for Demanding Environments
Dimensions: Φ40mm × 24.3mm (fits slim smart speakers).
IPX7 Waterproof: Protects against spills or humidity.
Temperature Range: -25°C to +60°C operation (-30°C to +70°C storage).
Reliability Validated by Rigorous Tests
96-hour white noise load test (108Hz–20kHz at 5W).
Environmental resistance:
24-hour high-temperature (+60°C) and humidity (90–95% RH) tests.
6-drop impact resistance (no buzz/rattle post-test).

Top Applications for 40mm Multimedia Speakers
Smart Home Hubs: Clear voice assistant responses.
Compact Soundbars: Balanced audio for TVs/PCs.
Wi-Fi Speakers: Efficient power use for battery-powered designs.
Industrial Audio Alarms: Loud alerts in harsh conditions.
3 Critical Selection Criteria
Power Matching
Ensure amplifier compatibility (e.g., 5W+ output for full dynamic range).
Environmental Protection
For outdoor/kitchen devices, prioritize IPX7 rating and humidity resistance.
Frequency Response Needs
Choose lower resonance (≤150Hz) for enhanced bass in music playback.

Why Choose XDEC's 40mm Speaker?
Proven in OEM Designs: Trusted by smart home and audio brands.
Custom Options: Wire length, connectors, and damping materials adjustable.
Quality Assurance: 100% tested for distortion and durability.
For integration support or the XDEC-40Y datasheet (including 3D drawings and SPL curves), contact XDEC's engineering team.
