KENWOOD KH-CRZ90T Glass Core True Wireless Earbuds
Celebrate 80 years of audio excellence with the KENWOOD KH-CRZ90T Glass Core—the world's first true wireless earbuds featuring an industry-first high-rigidity glass diaphragm. Delivering pure, uncolored sound, ultra-fast transient response, and studio-grade clarity, these flagship earbuds combine Hi-Res Wireless audio with high-performance Hybrid ANC and all-day comfort.
Key Specifications at a Glance
- Acoustic Driver: 10mm Custom High-Rigidity Glass Diaphragm
- Wireless Connectivity: Bluetooth® 6.0 with Multipoint & Low Latency
- Hi-Res Audio Support: LDAC, AAC, SBC (Hi-Res Audio Wireless Certified)
- Active Noise Cancellation: High-Performance Hybrid ANC + AI Call Noise Reduction
- Total Playtime: Up to 17 hours (earbuds) / 44 hours (with wireless charging case)
- Durability & Comfort: IPX4 Water Resistance | Liquid Silicone Ear Tips
Why Choose the KENWOOD KH-CRZ90T Glass Core?
1. Industry-First 10mm Glass Diaphragm for Pure Sound
Uniquely engineered to mark KENWOOD's 80th anniversary, the KH-CRZ90T utilizes an innovative 10mm glass diaphragm. Glass provides superior rigidity and optimal damping characteristics compared to traditional plastic materials. This drastically reduces harmonic distortion and resonances, delivering transparent mid-high frequencies, crisp detail, and tight, impactful bass performance.
2. Hi-Res Audio Wireless with LDAC Decoding
certified for Hi-Res Audio Wireless, the KH-CRZ90T supports the advanced LDAC codec. Enjoy high-bitrate audio transmission that preserves original recording studio nuances, rich instrumental textures, and expressive vocal resolution wirelessly.
3. High-Performance Hybrid ANC & AI Noise Reduction for Calls
Block out urban commutes and office distractions with world-class Hybrid Active Noise Cancellation. Integrated AI intelligent call noise reduction isolates your voice while filtering ambient environmental noise, ensuring crystal-clear phone and video conversations anywhere.
4. Ergonomic Comfort with Liquid Silicone Ear Tips
Newly engineered Liquid Silicone ear tips offer ultra-soft, low-pressure sealing for long listening sessions. Weighing just 5.85g per earbud (11.7g pair), they fit securely in the ear while providing effective passive noise isolation.
5. Marathon Battery Life & Wireless Fast Charging
Never miss a beat with up to 17 hours of continuous playback on a single charge (ANC off) and up to 44 hours total battery life with the compact charging case. Supports both Qi wireless charging and quick charging for on-the-go convenience.
6. Modern Tech: Bluetooth 6.0, Multipoint & App Customization
Equipped with Bluetooth® 6.0 for rock-solid stability and low latency mode for gaming and streaming. Seamlessly switch between two connected devices using multi-point connection. Fully customize your touch controls, EQ settings, spatial audio, and personalized sound profiles via the dedicated companion smartphone app.
Frequently Asked Questions (FAQ)
What makes the glass diaphragm in the KENWOOD KH-CRZ90T special?
The 10mm glass diaphragm offers higher rigidity and superior acoustic damping compared to plastic drivers. This reduces distortion, giving you uncolored sound with exceptional transparency, detailed vocals, and fast transient response.
How long does the battery last on the KENWOOD KH-CRZ90T?
With ANC off, the earbuds provide up to 17 hours of playback, reaching 44 hours total with the charging case. With ANC enabled, enjoy up to 13 hours on the earbuds and 21 hours total.
Are the KENWOOD KH-CRZ90T earbuds waterproof?
Yes, the earbuds feature an IPX4 water resistance rating, making them protected against sweat, light rain, and splashes during daily commutes or outdoor workouts.
Full Technical Specifications
| Driver Type | 10mm Custom High-Rigidity Glass Diaphragm |
|---|---|
| Bluetooth Version | Bluetooth® 6.0 |
| Supported Audio Codecs | LDAC | AAC | SBC |
| Hi-Res Audio Certification | Hi-Res Audio Wireless Certified |
| Playback Time (Earbuds Only) | ANC ON: Approx. 13 hours | ANC OFF: Approx. 17 hours |
| Total Playtime (With Charging Case) | ANC ON: Approx. 21 hours | ANC OFF: Approx. 44 hours |
| Charging Options | USB-C Fast Charging & Qi Wireless Charging |
| Water Resistance Rating | IPX4 (Earbuds body) |
| Weight | Earbuds: Approx. 11.7 g (pair, 5.85 g each) | Charging Case: Approx. 39.2 g |
| Special Features | Hybrid ANC, AI Call Noise Cancellation, Liquid Silicone Ear Tips, Multipoint Connection, Low Latency Gaming Mode, Companion App Support |
