66mm Multimedia Internal Magnet Speaker
For Soundbar / Smart Speaker / Projector Audio
📐 Product Dimension Drawing (Φ66.3mm × H25.2mm Square)
📊 Frequency Response Curve Reference
Full Specifications
| Parameter | Value | Remark |
|---|---|---|
| Model | XDEC-66Y04T18NH30 | Actual specification, not generic range |
| Type | Multimedia Internal Magnet (Y-Type) | Φ66.3mm internal magnet, for multimedia speakers |
| Size | Φ66.3mm × H25.2mm | Square structure, including mounting height |
| Impedance | 4Ω (nominal) | Matches mainstream amplifier outputs |
| Rated Power | 3W | Continuous safe operating power |
| Max Power | 4W | Short-term max, not for continuous use |
| Resonance F0 | 160Hz | Low-frequency cutoff, suitable for multimedia tuning |
| Sensitivity | 71±3 dB (0.1W/0.1M) | Anechoic chamber, 1m SPL |
| Freq Response | F0 ~ 20kHz | Covers vocal & main instrument frequency bands |
| Distortion THD | ≤5% | Total harmonic distortion at rated power |
| Polarity | + | Ensure consistent polarity during wiring |
Reliability Test Data
| Test | Condition | Criterion |
|---|---|---|
| Load Test | White noise rated power, 96 hours | No abnormality in components or diaphragm |
| High Temp | +60°C, 20~25%R.H., 96 hours | Normal after 2h at room temp |
| Low Temp | -25°C±3°C, 96 hours | Normal after 2h at room temp |
| Humidity | +40°C, 90~95%R.H., 96 hours | Normal after 4h at room temp |
| Storage Temp | -25°C ~ +60°C | Non-operating temperature range |
Typical Applications
FAQ
A: The 66mm Y-type internal magnet speaker is ideal for Soundbars, smart speakers, projector audio systems, and TV speakers. With F0 at 160Hz, it delivers solid low-frequency performance when paired with a proper enclosure.
A: Yes. 4Ω is the industry standard impedance for home audio. It directly pairs with most TV amp outputs, BT speaker amp chips, and mainstream home theater receivers - no matching network needed.
A: XDEC has 17 years of speaker expertise, serving 100+ global brands. The 66mm is a mass-production-proven mature spec. We offer free samples and parameter customization.
A: Yes. XDEC supports impedance, power, sensitivity fine-tuning, and variant lead wire/connector options. Send your target spec and our team will evaluate.
A: Free samples for standard specs ship within 7 days. MOQ varies by variant - contact Manager Yuan for urgent requests or volume pricing.
Contact Us
Spec sheet available · Free samples · 7-day lead time
Shenzhen XDEC Electronics Co., Ltd.
17 Years in Speaker Manufacturing · ISO Certified · xdec.cn
Shenzhen, China | Products exported globally | 4,500+ speaker models
